제출 #675824

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
675824		Tangirkul	Kutije (COCI21_kutije)	C++17	35 / 70	1047 ms	18540 KiB

Main

#include<bits/stdc++.h>
  
#define ll long long
#define fi first
#define se second
#define pb push_back
#define sz size
#define Junanna ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
  
using namespace std;
  
const ll K = 32;
const ll INF = 1e9 + 7;
const ll MOD = 1e9 + 7;
const ll N = (1e5 + 125);

ll n, m, q;
vector <ll> g[1007];
bool used[1007][1007];

void dfs (ll v, ll st)
{
    used[st][v] = 1;
    for (ll i = 0; i < g[v].sz (); i++)
    {
        ll to = g[v][i];
        if (!used[st][to])
        {
            dfs (to, st);
        }
    }
}
 
void ma1n ()
{
    cin >> n >> m >> q;
    for (ll j = 1; j <= m; j++)
    {
        for (ll i = 1; i <= n; i++)
        {
            ll p;
            cin >> p;
            g[i].pb (p);
        }
    }
    for (ll i = 1; i <= n; i++)
    {
        dfs (i, i);
    }
    for (ll i = 1; i <= q; i++)
    {
        ll a, b;
        cin >> a >> b;
        if (used[a][b])
        {
            cout << "DA\n";
        }
        else
        {
            cout << "NE\n";
        }
    }
}
    
int main ()
{
    Junanna;
    ll t = 1;
    while (t--)
    {
        ma1n ();
    }
    return 0;
}

컴파일 시 표준 에러 (stderr) 메시지

Main.cpp: In function 'void dfs(long long int, long long int)':
Main.cpp:24:22: warning: comparison of integer expressions of different signedness: 'long long int' and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   24 |     for (ll i = 0; i < g[v].sz (); i++)
      |                    ~~^~~~~~~~~~~~

• Subtask 1: 15 / 15
• Subtask 2: 10 / 10
• Subtask 3: 10 / 10
• Subtask 4: 0 / 35