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name
stringlengths
2
112
description
stringlengths
29
13k
source
int64
1
7
difficulty
int64
0
25
solution
stringlengths
7
983k
language
stringclasses
4 values
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import sys import queue sys.setrecursionlimit(100000) # global constant INF = int(1e7+1) MAX = 100005 # For testing #sys.stdin = open("INP.txt", 'r') #sys.stdout = open("OUT.txt", 'w') # global variables parents = [] ranks = [] size = [] n = 0 # classes class Pair: def __init__(self, a, b): self.first...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; long long visited[100010]; vector<long long> g[100010]; void dfs(long long u) { visited[u] = true; for (auto x : g[u]) { if (!visited[x]) { dfs(x); } } } void solve() { long long n, m; cin >> n >> m; for (long long i = 0; i < m; ++i) { long lon...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.math.BigDecimal; import java.math.RoundingMode; import java.util.ArrayList; import java.util.LinkedList; import java.util.Queue; import java.util.StringTokenizer; import java.util.function.BiFunction; public class Graph { static Scanner sc = new Scanner(System.in); static PrintWri...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; bool connected[100]; void dfs(const vector<vector<int>>& a, int node) { connected[node] = true; for (int child : a[node]) { if (connected[child] == false) { dfs(a, child); } } } int main() { memset(connected, false, sizeof(connected)); int n, m, a, b...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import sys import copy n, m = map(int, sys.stdin.readline().split()) g = [[] for i in xrange(105)] visited = [0 for i in xrange(105)] path = [1] for i in xrange(m): a, b = map(int, sys.stdin.readline().split()) g[a].append(b) g[b].append(a) cycles = 0 def dfs(): global path u = path[len(path)-1]...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class A implements Runnable { private static final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE") != null; private BufferedReader in; private PrintWriter out; private StringTokenizer tok = new StringTokenizer(""); private void init() throws...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
def solve(): import sys input = sys.stdin.readline n, m = map(int, input().split()) edges = [] link = [i for i in range(n+1)] size = [1 for _ in range(n+1)] def find_link(x): while x != link[x]: x = link[x] return x def same(x, y): return find_link(x...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#!/usr/bin/env python # -*- coding: utf-8 -*- def rd(): return map(int, raw_input().split()) n, m = rd() g = [[] for _ in xrange(n)] for _ in xrange(m): x, y = rd() g[x-1].append(y-1) g[y-1].append(x-1) color = [0]*n used = [False]*n parent = [None]*n cc = [] def dfs(x): used[x] = True color[x] ...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<long long> arr[101]; long long vis[101]; void dfs(long long node) { vis[node] = 1; for (auto x : arr[node]) { if (vis[x]) continue; dfs(x); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); long long n, m; cin >> n >> m; long long u, ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const bool testcase = 0; const long long int mod1 = 1000000007; const long long int mod2 = 998244353; const long long int N = 1e5 + 5; std::vector<long long int> adj[N]; std::vector<long long int> vis(N, false); bool hasLoop(long long int i, long long int p) { vis[i] = tr...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; long long power(long long x, unsigned long long y) { long long temp; if (y == 0) return 1; temp = power(x, y / 2); if (y % 2 == 0) return temp * temp; else return x * temp * temp; } long long modpow(long long x, unsigned int y, long long p) { long long r...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.LinkedList; import java.util.Scanner; /** * Created with IntelliJ IDEA. * Author : Dylan * Date : 2013-08-03 * Time : 13:56 * Project : Cthulhu */ public class Main { static LinkedList<Integer>[] graph; static boolean[] visited; public static void main(String[] args) { ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.util.StringTokenizer; public class B103_Cthulhu { static int n; static boolean[] vis, adjMatrix[]; static void dfs(int node) { vis[node] = true; for (int i = 0; i < n; i++) i...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
/** https://codeforces.com/problemset/problem/103/B * idea: DSU */ import java.util.Scanner; public class Cthulhu { public static void makeSet(int[] parent, int[] size) { int sz = parent.length; for (int i=0; i < sz; i++) { parent[i] = i; size[i] = 1; } } ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class Task103b{ public static void main(String[] args) { InputStream inputStream = System.in; OutputStream outputStream = System.out; InputReader in = new InputReader(inputStream); PrintWriter out = new PrintWriter(outputStream); ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
r=lambda:map(int,raw_input().split()) n,m=r() g=[[] for i in range(n+1)] for i in range(m): a,b=r() g[a]+=[b] g[b]+=[a] v=set() def d(i): if i in v: return v.add(i) for j in g[i]: d(j) d(1) if len(v) ==n==m: print "FHTAGN!" else: print "NO"
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int n, m; bool use[105]; vector<int> a[105]; void dfs(int f) { use[f] = 1; for (int i = 0; i < a[f].size(); i++) if (!use[a[f][i]]) dfs(a[f][i]); } int main() { cin >> n >> m; int i, j, x, y; if (n != m) { cout << "NO" << endl; return 0; } for (i =...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.ArrayList; import java.util.Arrays; import java.util.LinkedList; import java.util.Scanner; public class B { static ArrayList<ArrayList<Integer>> graph; static LinkedList<Integer> cycle; static int[] vis, parent; public static void dfs(int cur, int pnt) { if (cycle.size() > 0) ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
s=raw_input().split() n=int(s[0]) m=int(s[1]) C= [[0 for col in range(n)] for row in range(n)] for i in range(m): s=raw_input().split() x=int(s[0]) y=int(s[1]) C[x-1][y-1]=1 C[y-1][x-1]=1 e= [0 for i in range(n)] def dfs(u): ver=1; ed=0; e[u]=1 for v in range(n): if C[u][v...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<int> g[100010]; int visited[100010]; int parent[100010]; int flag; void explore(int u) { visited[u] = 1; for (int i = 0; i < g[u].size(); i++) { if (!visited[g[u][i]]) { parent[g[u][i]] = u; explore(g[u][i]); } else if (g[u][i] == parent[u]) ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.LinkedList; import java.util.ListIterator; import java.util.Scanner; public class Cthulhu { public static void main(String args[]){ Graphe g = new Graphe(); if(g.n_m){ g.dfs(0); if(g.all_marked()) System.out.println("FHTAGN!"); else System.out.println("NO"); } else Syste...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class CF_Cthulu_104C{ public static void main(String[] args)throws IOException { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); String[] input; input = in.readLine().split(" "); int n = Integer.parseInt(input[0]); int m = Integer.parse...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.Scanner; public class C { int n, m; boolean[][] e; boolean[] u; boolean[] cycle; int[] trace; int cycleN; void f(int x, int from, int k){ if(cycleN>1)return; for(int i=0;i<n;i++){ if(i==from)continue; if(e[x][i]){ if...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.*; import java.io.*; public class Main implements Runnable { int N; List<Integer>[] edges; boolean[] visited; public void dfs(int at){ visited[at] = true; for(int c : edges[at]){ if(!visited[c]) dfs(c); } } public void solve() throws IOException { N = nextInt(); int e...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int INFint = 2e9; const long long INF = 1e18; const long long MOD = 1000000007ll; int g[100][100]; vector<int> used; set<int> roots; int n, m; void dfs(int v, int p) { used[v] = 1; for (int i = 0; i < n; i++) { if (i == p || !g[v][i]) continue; if (used[i]...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class B { int n, m; ArrayList<Integer>[] g; int k; int[] s; boolean[] used; void dfs(int v) { used[v] = true; for (int j : g[v]) { if (!used[j]) { dfs(j); } } } void solve() throws Exception { n = nextInt(); m = nextInt(); if (n != m) { ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
//I AM THE CREED /* //I AM THE CREED /* package codechef; // don't place package name! */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.StringTokenizer; import java.util.*; import java.awt.Point; public class Main{ static int[] g=new int[101]; ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
# Bosdiwale code chap kr kya milega # Motherfuckers Don't copy code for the sake of doing it # .............. # ╭━┳━╭━╭━╮╮ # ┃┈┈┈┣▅╋▅┫┃ # ┃┈┃┈╰━╰━━━━━━╮ # ╰┳╯┈┈┈┈┈┈┈┈┈◢▉◣ # ╲┃┈┈┈┈┈┈┈┈┈┈▉▉▉ # ╲┃┈┈┈┈┈┈┈┈┈┈◥▉◤ # ╲┃┈┈┈┈╭━┳━━━━╯ # ╲┣━━━━━━┫ # ………. # .……. /´¯/)………….(\¯`\ # …………/….//……….. …\\….\ # ………/….//……………....\\….\ # …./...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
inp = input().split() n = int(inp[0]) m = int(inp[1]) if n < 3 or n != m: print('NO') exit() e, f = [[] for i in range(n + 1)], set() for j in range(m): x, y = map(int, input().split()) e[x].append(y) e[y].append(x) def dfs(x): f.add(x) for y in e[x]: if not ...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<int> g[111]; bool u[111]; int n, m, x, y, z; void dfs(int i) { u[i] = true; z++; for (int j = 0; j < g[i].size(); j++) { if (u[g[i][j]] == false) dfs(g[i][j]); } } int main() { cin >> n >> m; for (int i = 1; i <= n; i++) u[i] = false; for (int i = 0...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
from sys import stdin, exit buf = [] for line in stdin: buf.append(line.strip()) buf.reverse() def getints(): return [int(e) for e in buf.pop().split()] d = getints() if d[0] != d[1]: print 'NO' exit() v = d[0] UF = [i for i in range(v)] def find(i): p = UF[i] if p == i: return i ...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; void build(long long v, long long tl, long long tr, long long st[], long long lz[], bool f[], long long a[]) { if (tl == tr) { st[v] = a[tl]; lz[v] = 0LL; f[v] = false; return; } build((v << 1), tl, ((tl + tr) >> 1), st, lz, f, a); build((...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; import java.math.*; public class Main implements Runnable { int n, m; boolean[][] a; boolean[] f; int[] p, d; int ck = 0; boolean ok = true; void dfs(int v) { f[v] = true; for (int i=0; i<n; i++) if (a[v][i]) if (!f[i]) { p[i] = v; dfs(i); } else { if (i!=p...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; struct edge { long long u, v; } e[5005 << 1] = {0}; long long n, m, cnt = 0, tot = 0, v[5005] = {0}, h[5005] = {0}; inline void add(long long u, long long v) { e[++tot] = (edge){h[u], v}, h[u] = tot; } void dfs(long long x) { v[x] = 1, cnt++; for (register long long...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.*; import java.io.*; public class cthulu { public static void main(String[] args) throws IOException{ Scanner s = new Scanner(System.in); int n = s.nextInt(); int m = s.nextInt(); if (n == m) { boolean[] seen = new boolean[n]; ArrayDeque<Integ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const long maxn = 105; long cht; vector<long> edges[maxn]; long n, m; long mark[maxn]; void dfs(long u, long pred) { mark[u] = 1; if (edges[u].size() != 0) { for (long choice = 0; choice < edges[u].size(); choice++) { long next = edges[u][choice]; if ((m...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int N = 101; int mat[N][N]; bool chk[N]; int cnt; int n, m; void dfs(int now) { if (chk[now]) return; chk[now] = true; cnt++; for (int i = 1; i <= n; i++) { if (mat[now][i]) { dfs(i); } } } int main() { while (scanf("%d %d", &n, &m) == 2) { ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.*; public class test { static int[] parents; static int[] ranks; static int[] count; static class pair { int x, y; public pair (int x, int y){ th...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int find_parent(int a, int *parent) { if (parent[a] == a) return a; return find_parent(parent[a], parent); } int dfs(int u, int v, vector<vector<int>> &adj, bool *visited) { visited[u] = true; if (u == v) return 0; int myres = INT_MIN; for (int i = 0; i < adj[u]...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.InputStream; import java.io.PrintStream; import java.util.*; public class Ktulhu implements Runnable { public void run() { int n = in.nextInt(); int m = in.nextInt(); if(n != m) { out.println("NO"); return; } Node[] nodes = new Node[n]; for(int i = 0; i < n; ++i) { nodes[i] = ne...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int maxn = 110; bool a[maxn][maxn]; int u[maxn]; vector<int> st; int n, m; void dfs0(int x) { u[x] = 1; for (int i = 0; i < n; i++) { if (a[x][i] && !u[i]) dfs0(i); } } int dfs(int x, int p = -1) { u[x] = 1; st.push_back(x); for (int i = 0; i < n; i++)...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int g[128][128]; vector<bool> visited; int n, m; void dfs(int v = 0) { for (int i = 0; i < n; i++) if (!visited[i] && g[v][i]) visited[i] = true, dfs(i); } int main() { cin >> n >> m; if (n != m) { cout << "NO" << endl; return 0; } visited.resize(n, fa...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class B103 { static int n, m; static ArrayList<Integer> adjList[]; static boolean visited[]; @SuppressWarnings("unchecked") public static void main(String[] args) { Scanner in = new Scanner(System.in); n = in.nextInt(); m = in.nextInt(); adjList = new Arra...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; template <class T> inline T Get_Max(const T& a, const T& b) { return a < b ? b : a; } template <class T> inline T Get_Min(const T& a, const T& b) { return a < b ? a : b; } const int maxn = 110; vector<int> G[maxn]; int mark[maxn]; int dfs(int u) { int cnt = 0; if (m...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
# Team ASML MAX_EDGES = 10000 def nr_edges(n): if (n != None): return len(n) else: return MAX_EDGES if __name__=='__main__': l = map(int,raw_input().split()) n, m = l[0], l[1] nodes = [[] for i in xrange(n)] nodes_left = n for i in xrange(m): l = map(int,raw_input().split()) nodes[l...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.*; import java.io.*; import java.math.BigDecimal; import java.math.BigInteger; import java.math.MathContext; import static java.lang.Math.*; import static java.util.Arrays.*; import static java.util.Collections.*; /*```````````````````````````````````````````````````````````````````````````````````...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
//package solvingProblems; import java.util.LinkedList; import java.util.Scanner; public class Cthulhu { static boolean visited[]; static LinkedList<Integer>[] g; static int count; public static void main(String[] args) { Scanner scan = new Scanner(System.in); int n = scan.nextInt(); int m = scan.nextInt(...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class B103 { static int n, m; static int[] parent, size; public static void main(String[] args) throws IOException { PrintWriter w = new PrintWriter(System.out); InputReader in = new InputReader(System.in); n = in.nextInt(); m = in.nextIn...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.StringTokenizer; public class CF103B { static class UndirectedGraph { ArrayList<Integer>[] adjList; int n; ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.OutputStream; import java.io.IOException; import java.io.InputStream; import java.io.PrintWriter; import java.util.List; import java.util.Arrays; import java.util.InputMismatchException; import java.io.IOException; import java.io.InputStream; import java.util.ArrayList; /** * Built using CHelper plug-i...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
//thnks learn Ds import java.io.*; import java.util.*; public class CNew { public static void main(String args[])throws IOException { BufferedReader in=new BufferedReader(new InputStreamReader(System.in)); StringTokenizer st=new StringTokenizer(in.readLine()); int n=Integer.parseInt(st.nextToken()); int m=In...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.*; import java.io.*; import java.math.BigInteger; import static java.lang.Math.*; public class Sol implements Runnable { int [] par; int parent(int u) { return par[u] == u ? u : (par[u] = parent(par[u])); } void unite(int u, int v) { int pu = parent(u); int pv = parent(v); par[pu] = pv;...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int MAX_N = 1000; vector<int> g[MAX_N + 10]; vector<int> dfs_trace; bool is_circle[MAX_N + 10] = {0}; int circles_finded = 0; int b[MAX_N + 10] = {0}; void scanGraph(int m) { int x; int y; for (int i = 0; i < m; ++i) { scanf("%d %d", &x, &y); g[x].push_b...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<int> x[101]; int vis[101] = {0}, flag = 0; void dfs(int i, int parent) { if (vis[i]) { if (vis[i] != parent) flag++; return; } vis[i] = parent; for (int j = 0; j < x[i].size(); ++j) { if (x[i][j] == parent) continue; dfs(x[i][j], i); } } int...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.ArrayList; import java.util.List; import java.util.StringTokenizer; public class B103 { public static class V{ int ind; int vis; List<V> roadsTo = new ArrayList<>(); public...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int n, m; int i; int x, y; vector<int> a[100]; int color[100]; int c_count; bool isCyclic(int node, int prev) { int i; color[node] = 1; for (i = 0; i < a[node].size(); i++) { int k = a[node][i]; if (k == prev) continue; if (color[k] == 1) return true; ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
def func(n): global a, b, c, lst a[n] = 1 for j in lst[n]: if a[j] == 1 and b[n] != j: c += 1 if(not a[j]): b[j] = n func(j) a[n] = 2 n , m = [int(x) for x in input().split()] lst = [[] for i in range(n +1)] for i in range(m): x , y = map(int, i...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.awt.Point; import java.io.*; import java.math.BigInteger; import java.util.*; import static java.lang.Math.*; public class ProblemC_80 { final boolean ONLINE_JUDGE = System.getProperty("ONLINE_JUDGE")!=null; BufferedReader in; PrintWriter out; StringTokenizer tok = new StringTokenizer(""); void...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int ans = 0; int a = 0; vector<int> v[101]; int visited[101]; int parent[101]; void dsf(int s) { visited[s] = 1; for (int n = 0; n < v[s].size(); n++) { int d = v[s][n]; if (parent[s] != d && visited[d] != 2) { if (visited[d] == 1) { ans++; }...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
N, M = map(int, input().split()) g = [[] for i in range(N)] for i in range(M): a, b = map(int, input().split()) g[a-1].append(b-1) g[b-1].append(a-1) visn = 0 visited = [0] * N def dfs(n): global visn visn += 1 visited[n] = 1 for i in g[n]: if not visited[i]: dfs(i) ...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const long long INF64 = 3e18; const int mod = (int)1e9 + 7; const int MAX_N = 100000 + 5; long long binp(long long a, long long b) { if (b == 0) return 1; long long ans = binp(a, b / 2); long long tmp = (ans * ans); if (b % 2) return ((tmp * a)); return ((tmp)); }...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
""" https://codeforces.com/problemset/problem/103/B """ parent = [] ranks = [] edge = [] cycle = 0 def makeSet(n): global parent, ranks parent = [i for i in range(n)] ranks = [0 for _ in range(n)] def findSet(u): global parent if parent[u] != u: parent[u] = findSet(parent[u]) ...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.*; import java.io.*; public class a { static long mod = 1000000007; public static void main(String[] args) throws IOException { input.init(System.in); PrintWriter out = new PrintWriter(new PrintStream(System.out)); //Scanner input = new Scanner(new File("input.txt")); //PrintWriter out = new ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
n, m = map(int, raw_input().split()) g = [] for i in range(n): g.append([0] * n) for i in range(m): x, y = map(int, raw_input().split()) x -= 1 y -= 1 g[x][y] = 1 g[y][x] = 1 v = [0] * n x = 0 def dfs(i, d): global x if v[i] == 1: if d > 0: x += 1 else: ...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.Scanner; public class Cthulhu { int[] parents; int numOfLoops=0; public static void main(String[] args) { Cthulhu obj=new Cthulhu(); Scanner input = new Scanner(System.in); int n = input.nextInt(); int m = input.nextInt(); obj.parents = new int[n + 1]; int x,y,numOfSets=0; obj.createS...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; long long n, m, x, y; void dfs(int s, vector<bool>& visited, vector<vector<long long> >& g) { visited[s] = true; for (int i = 0; i < g[s].size(); i++) { if (visited[g[s][i]] == false) dfs(g[s][i], visited, g); } } int main() { cin >> n >> m; vector<vector<long...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.StringTokenizer; public class Main { int nodes; int edges; int count; boolean graph[][]; boolean visited[]; int parent[]; int rank[]; FastScanner in; PrintWriter out; pu...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import sys from array import array if len(sys.argv) > 1: infile = open(sys.argv[1],'rU') else: infile = sys.stdin def rd(): return infile.readline() n,m = map(int, rd().split()) adjl = {} # the adjoint list for i in range(1,n+1): adjl[i] = [] for i in range(m): v1,v2 = map(int, rd().split()) adjl[v1].append(v2)...
PYTHON
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.util.Arrays; import java.util.StringTokenizer; public class Main { static int n,m; static boolean visi[],mat[][]; public static void dfs(int j) { visi[j]=true; for(int i=0;i<n;i++) ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int fa[1005]; int n, m; int find(int x) { return fa[x] == x ? x : fa[x] = find(fa[x]); } void merge(int u, int v) { int ru = find(u); int rv = find(v); if (ru != rv) { fa[ru] = rv; } } int main() { int u, v; int flag = 0, fail = 0, r = 0; cin >> n >> m; ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
/** * Created by IntelliJ IDEA. * User: mac * Date: 11-11-25 * Time: 下午8:20 * To change this template use File | Settings | File Templates. */ import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.Str...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int hits = 0; vector<int> edges[101]; void print_vector2d(vector<vector<int>>& a, string name) { cout << name << " is\n"; for (int i = 0; i < a.size(); i++) { for (int j = 0; j < a[0].size(); j++) { cout << a[i][j] << " "; } cout << "\n"; } cout <<...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const long long OO = (long long)1e15 + 1; const int MAX = 1e5 + 5; vector<vector<int> > adjLst; int n, m, vis[101], countt = 0, x, y; void dfs(int cur = 1) { if (vis[cur]) return; vis[cur] = 1; for (int i = 0; i < adjLst[cur].size(); i++) { int child = adjLst[cur]...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<int> mp[105]; int vis[105]; struct node { int fa; int kid; node(int fa, int b) { this->fa = fa; kid = b; } }; bool bfs(int rt, int n) { queue<node> q; q.push(node(-1, rt)); vis[rt] = 1; while (!q.empty()) { int now = q.front().kid; int...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int a, b, n, m, ok, passou[1 << 20]; vector<int> grafo[1 << 20]; void dfs(int u) { passou[u] = 1; for (int i = 0; i < grafo[u].size(); i++) { int v = grafo[u][i]; if (!passou[v]) dfs(v); } } int main() { ios_base::sync_with_stdio(0); cin.tie(0); cout.tie...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<int> gr[1000]; int vis[1000]; int ans = 0; void dfs(int a) { vis[a] = 1; ans++; for (int i = 0; i < gr[a].size(); i++) if (vis[gr[a][i]] == 0) dfs(gr[a][i]); } int main() { ios_base::sync_with_stdio(false); cin.tie(NULL); cout.tie(NULL); memset(vis,...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; public class Main { public static void main(String[] args) { PrintWriter stdout = new PrintWriter(new BufferedOutputStream(System.out)); kernel("stdin", stdout); } public static void kernel(String source, PrintWriter out) { MyScanner sc = new...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
/* * To change this template, choose Tools | Templates * and open the template in the editor. */ /** * * @author Saransh */ import java.io.*; import java.util.*; import java.math.*; import java.lang.*; public class Main { /** * @param args the command line arguments */ static Stack<Integer>c...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int eD[150][150], mark[150], delx, dely, flag, n, m; int dfs(int x, int rem) { mark[x] = 1; for (int i = 1; i <= n; i++) { if (!eD[x][i] || i == rem) continue; if (mark[i]) { delx = x; dely = i; flag = 1; return 1; } else dfs(i,...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int MX = (1 << 20); class Disjoint_Set { public: int sz[MX], P[MX]; int find_(int x) { if (x != P[x]) P[x] = find_(P[x]); return P[x]; } int comp; void init(int N) { for (int j = 1; j <= N; j++) sz[j] = 1, P[j] = j; comp = N; } bool same...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int n, m; int x, y; vector<int> ga[200]; bool vis[200]; void dfs(int u) { vis[u] = true; for (int i = 0; i < ga[u].size(); i++) { int v = ga[u][i]; if (!vis[v]) dfs(v); } } int main() { cin >> n >> m; for (int i = 1; i <= m; i++) { cin >> x >> y; g...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int n, m; int P[102]; int p(int x) { if (P[x] == x) return x; else return p(P[x]); } int main() { scanf("%d%d", &n, &m); for (int i = 1; i <= 100; i++) { P[i] = i; } for (int i = 1; i <= m; i++) { int k, l; scanf("%d%d", &k, &l); int u = ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int N = 110; vector<int> adj[N]; int n, m, cnt = 0; bool vis[N]; void dfs(int u) { cnt++; vis[u] = 1; for (auto v : adj[u]) if (!vis[v]) dfs(v); } int main() { scanf("%d %d", &n, &m); if (n != m) { printf("NO\n"); return 0; } int u, v; for ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int MAX_N = (100 + 10); int N, M, cnt, mark[MAX_N]; vector<int> g[MAX_N]; void dfs(int u) { mark[u] = 1; ++cnt; for (int i = (0); i < ((int)g[u].size()); ++i) { int v = g[u][i]; if (!mark[v]) dfs(v); } } int main() { while (cin >> N >> M) { for (...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const double pi = acos(-1.0); const double eps = 1e-11; template <class T> inline void checkmin(T &a, T b) { if (b < a) a = b; } template <class T> inline void checkmax(T &a, T b) { if (b > a) a = b; } template <class T> inline T sqr(T x) { return x * x; } int mp[101]...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
from __future__ import print_function import sys from collections import * from heapq import * from functools import * import re from itertools import * INF=float("inf") NINF=float("-inf") try: input=raw_input except: pass def read_string(): return input() def read_string_line(): return [x for x in ...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import sys sys.setrecursionlimit(10 ** 6) class Edge: def __init__(self, u, v, w=0): self.frm = u self.to = v self.weight = w def __repr__(self): return "{frm} - {to}: {weight}".format(frm=self.frm, to=self.to, weight=self.weight) def __eq__(self, other): return s...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; long long int visited[100000]; long long int len[100000]; long long int cycle = 0; void dfs(long long int second, vector<long long int> v[]) { visited[second] = 1; long long int vp; for (long long int i = 0; i < v[second].size(); i++) { vp = v[second][i]; if (...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.*; import java.util.*; import java.util.function.*; import java.lang.*; public class Main { final static String fileName = ""; final static boolean useFiles = false; public static void main(String[] args) throws FileNotFoundException { InputStream inputStream; OutputStream o...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.Arrays; import java.util.StringTokenizer; public class B103 { static BufferedReader br; static StringTokenizer st; static PrintWriter pw; static String nextToken() ...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import os import sys from io import BytesIO, IOBase BUFSIZE = 8192 class FastIO(IOBase): newlines = 0 def __init__(self, file): self._fd = file.fileno() self.buffer = BytesIO() self.writable = "x" in file.mode or "r" not in file.mode self.write = self.buffer.write if self.writabl...
PYTHON3
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; vector<int> edges[5001]; int n, m; bool vis1[110]; bool flag = false; int ans = 0; void dfs(int u, int parent) { vis1[u] = true; for (int i = 0; i < edges[u].size(); i++) { int v = edges[u][i]; if (!vis1[v]) { dfs(v, u); } else if (v != parent) { ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; const int N = 1e5 + 5; const int inf = 1e9 + 1; const double eps = 1e-15; const double EPS = 1e-9; const double PI = acos(-1.0); vector<int> edge[200]; int vis[200]; int n, m, u, v; void dfs(int id) { vis[id] = 1; for (int i = 0; i < edge[id].size(); i++) { int x = ...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; bool v[105], f[105][105]; int n, m, s = 0; void dfs(int x) { v[x] = 1; s++; for (int i = 1; i <= n; i++) if (!v[i] && f[x][i]) dfs(i); } int main() { scanf("%d%d", &n, &m); if (n != m) { puts("NO"); return 0; } for (int i = 1; i <= m; i++) { in...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.util.*; public class B103 { HashSet<Integer> visited; List<Integer> edges[]; public static void main(String[] args) { new B103().solve(); } @SuppressWarnings("unchecked") public void solve() { Scanner in = new Scanner(System.in); int n = in.nextInt...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int parent[1005]; bool visited[1005]; int f = 0; int findParent(int node) { if (parent[node] == node) return node; return parent[node] = findParent(parent[node]); } set<int> Connected[1005]; void dfs(int node) { if (visited[node]) return; f++; visited[node] = true...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
import java.io.BufferedReader; import java.io.IOException; import java.io.InputStream; import java.io.InputStreamReader; import java.io.PrintWriter; import java.util.ArrayList; import java.util.StringTokenizer; public class Cthulhu { /* * Look at the formal part of statement. * Cthulhu is a simple cycle wit...
JAVA
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int v, e, a, b, x, y, cyc, found, head, chk[105]; vector<int> par, deg; int findr(int a) { if (par[a] != a) par[a] = findr(par[a]); return par[a]; } int main() { scanf("%d %d", &v, &e); for (int i = 0; i <= v; ++i) par.push_back(i); deg.resize(v + 1); while (e--...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int n, d[111], fa[111]; bool bo[111][111]; bool vis[111], flag, pd; int getfa(int x) { if (fa[x] == x) return x; else return fa[x] = getfa(fa[x]); } void round() { int i, j; while (1) { flag = true; for (i = 1; i <= n; i++) if (d[i] <= 1 && !vi...
CPP
103_B. Cthulhu
...Once upon a time a man came to the sea. The sea was stormy and dark. The man started to call for the little mermaid to appear but alas, he only woke up Cthulhu... Whereas on the other end of the world Pentagon is actively collecting information trying to predict the monster's behavior and preparing the secret super...
2
8
#include <bits/stdc++.h> using namespace std; int n, m; vector<int> g[100000]; bool used[100000]; void dfs(int v) { used[v] = true; for (int i = 0; i < g[v].size(); i++) { int to = g[v][i]; if (used[to] == false) { dfs(to); } } } int main() { cin >> n >> m; for (int i = 1; i <= m; i++) { ...
CPP