# | Time | Username | Problem | Language | Result | Execution time | Memory |
---|---|---|---|---|---|---|---|
675824 | Tangirkul | Kutije (COCI21_kutije) | C++17 | 1047 ms | 18540 KiB |
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 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;
}
Compilation message (stderr)
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