제출 #876545

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
876545		Youssif_Elkadi	Kutije (COCI21_kutije)	C++17	70 / 70	893 ms	14200 KiB

Main

#include <bits/stdc++.h>
using namespace std;
const long long N = 1e3 + 5, mod = 998244353;
vector<int> adj[N];
bool vis[N][N];
void dfs(int u, int src)
{
    vis[src][u] = 1;
    for (auto v : adj[u])
        if (!vis[src][v])
            dfs(v, src);
}
int main()
{
    ios_base::sync_with_stdio(0), cin.tie(NULL), cout.tie(NULL);
    int n, m, q;
    cin >> n >> m >> q;
    for (int i = 0; i < m; i++)
    {
        for (int i = 1; i <= n; i++)
        {
            int x;
            cin >> x;
            adj[i].push_back(x);
        }
    }
    for (int i = 1; i <= n; i++)
        dfs(i, i);
    while (q--)
    {
        int u, v;
        cin >> u >> v;
        if (vis[u][v])
            cout << "DA\n";
        else
            cout << "NE\n";
    }
}

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