Submission #1248413

#	Time	Username	Problem	Language	Result	Execution time	Memory
1248413		FIFI_cpp	Game (IOI14_game)	C++20	42 / 100	1094 ms	524 KiB

game

#include <bits/stdc++.h>
#include <iostream>
#include <vector>
#include <algorithm>
#include <numeric>
#include <cstdlib>
#include <cmath>
#include <queue>
#include <stack>
#include <deque>
#include <fstream>
#include <iterator>
#include <set>
#include <map>
#include <unordered_map>
#include <iomanip>
#include <cctype>
#include <string>
#include <cassert>
#include <set>
#include <bitset>
#include <unordered_set>
#include <numeric>

#define all(a) a.begin(), a.end()
#define fast ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
#define pb push_back
#define ppi pair<int,pair<int,int>>
//#define int int64_t

using namespace std;
//    /\_/\
//   (= ._.)
//   / >  \>
// encouraging cat
const int INF = 10000000000000000;
//const int mod = 1000000007;
const int mod = 998244353;
const int MAXN = 200005;
//ifstream fin('xor.in');
//ofstream fout('xor.out');
vector<vector<bool>> adj;
vector<bool> visited;
int n = 0;
void dfs(int x)
{
    for (int i = 0;i < n;i++)
    {
        if (adj[i][x] == false)
        {
            continue;
        }
        if (i == x || visited[i])
        {
            continue;
        }
        visited[i] = true;
        dfs(i);
    }
}
bool check()
{
    visited.clear();
    visited.resize(n,false);
    visited[0] = true;
    dfs(0);
    for (int i = 0;i < n;i++)
    {
        if (visited[i] == false)
        {
            return false;
        }
    }
    return true;
}
void initialize(int N)
{
    n = N;
    adj.resize(N, vector<bool> (N,true));
}
int hasEdge(int u,int v)
{
    adj[u][v] = false;
    adj[v][u] = false;
    if (check())
    {
        return 0;
    }
    adj[u][v] = true;
    adj[v][u] = true;
    return 1;
}

Compilation message (stderr)

game.cpp:36:17: warning: overflow in conversion from 'long int' to 'int' changes value from '10000000000000000' to '1874919424' [-Woverflow]
   36 | const int INF = 10000000000000000;
      |                 ^~~~~~~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 27 / 27
• Subtask 3: 0 / 58