This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
#define int long long
#define float double
#define pb push_back
#define F first
#define T int t; cin >> t; while(t--)
#define IOS ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
using namespace std;
/// Benzema is the best player in the world
const int N = 1003;
int n, m, q, a[N][N], comp[N];
vector<int> adj[N];
void dfs(int node, int col) {
comp[node] = col;
for(auto x: adj[node])
if (!comp[x])
dfs(x, col);
}
main() {
IOS
cin >> n >> m >> q;
for(int i = 1; i <= m; i++) {
for(int j = 1; j <= n; j++)
cin >> a[i][j], adj[j].push_back(a[i][j]);
}
int col = 0;
for(int i = 1; i <= n; i++) {
if (comp[i] == 0)
dfs(i, ++col);
}
while(q--) {
int u, v;
cin >> u >> v;
if (comp[u] == comp[v]) cout << "DA\n";
else cout << "NE\n";
}
}
Compilation message (stderr)
Main.cpp:22:1: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
22 | main() {
| ^~~~
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