제출 #1200010

#제출 시각아이디문제언어결과실행 시간메모리
120001012345678Kutije (COCI21_kutije)C++20
70 / 70
83 ms1864 KiB
#include <bits/stdc++.h>

using namespace std;

const int nx=1e3+5;

int n, m, p[nx], dsu[nx], q, u, v, x;

int find(int x)
{
    if (dsu[x]==x) return x;
    return dsu[x]=find(dsu[x]);
}

int main()
{
    cin.tie(NULL)->sync_with_stdio(false);
    cin>>n>>m>>q;
    for (int i=1; i<=n; i++) dsu[i]=i;
    for (int i=1; i<=m; i++) for (int j=1; j<=n; j++) cin>>x, dsu[find(x)]=find(j);
    while (q--) cin>>u>>v, cout<<((find(u)==find(v))?"DA\n":"NE\n");  
}
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