#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef double ld;
#define pb push_back
#define sz(x) int(x.size())
#define all(x) x.begin(),x.end()
#define F first
#define S second
const int N = 1005;
int p[N], sz[N];
int findp(int u) {
return p[u] = (p[u] == u ? u : findp(p[u]));
}
void merge(int u, int v) {
u = findp(u), v = findp(v);
if (u == v)return;
if (sz[u] < sz[v])swap(u, v);
sz[u] += sz[v];
p[v] = u;
}
int main () {
ios::sync_with_stdio(false);
cin.tie(nullptr);
int n, m, q;
cin >> n >> m >> q;
for (int i = 1; i <= n; i++) {
p[i] = i;
sz[i] = 1;
}
while (m--) {
for (int i = 1; i <= n; i++) {
int x;
cin >> x;
merge(i, x);
}
}
while (q--) {
int a, b;
cin >> a >> b;
cout << (findp(a) == findp(b) ? "DA\n" : "NE\n");
}
}
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
56 ms |
3924 KB |
Output is correct |
| 2 |
Correct |
49 ms |
3376 KB |
Output is correct |
| 3 |
Correct |
46 ms |
3408 KB |
Output is correct |
| 4 |
Correct |
56 ms |
3920 KB |
Output is correct |
| 5 |
Correct |
61 ms |
3800 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
468 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
352 KB |
Output is correct |
| 7 |
Correct |
1 ms |
476 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
352 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
348 KB |
Output is correct |
| 2 |
Correct |
1 ms |
468 KB |
Output is correct |
| 3 |
Correct |
1 ms |
348 KB |
Output is correct |
| 4 |
Correct |
1 ms |
348 KB |
Output is correct |
| 5 |
Correct |
1 ms |
348 KB |
Output is correct |
| 6 |
Correct |
1 ms |
352 KB |
Output is correct |
| 7 |
Correct |
1 ms |
476 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
352 KB |
Output is correct |
| 11 |
Correct |
1 ms |
344 KB |
Output is correct |
| 12 |
Correct |
1 ms |
344 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
352 KB |
Output is correct |
| 15 |
Correct |
1 ms |
348 KB |
Output is correct |
| 16 |
Correct |
1 ms |
488 KB |
Output is correct |
| 17 |
Correct |
1 ms |
348 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
348 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
56 ms |
3924 KB |
Output is correct |
| 2 |
Correct |
49 ms |
3376 KB |
Output is correct |
| 3 |
Correct |
46 ms |
3408 KB |
Output is correct |
| 4 |
Correct |
56 ms |
3920 KB |
Output is correct |
| 5 |
Correct |
61 ms |
3800 KB |
Output is correct |
| 6 |
Correct |
1 ms |
348 KB |
Output is correct |
| 7 |
Correct |
1 ms |
468 KB |
Output is correct |
| 8 |
Correct |
1 ms |
348 KB |
Output is correct |
| 9 |
Correct |
1 ms |
348 KB |
Output is correct |
| 10 |
Correct |
1 ms |
348 KB |
Output is correct |
| 11 |
Correct |
1 ms |
352 KB |
Output is correct |
| 12 |
Correct |
1 ms |
476 KB |
Output is correct |
| 13 |
Correct |
1 ms |
348 KB |
Output is correct |
| 14 |
Correct |
1 ms |
348 KB |
Output is correct |
| 15 |
Correct |
1 ms |
352 KB |
Output is correct |
| 16 |
Correct |
1 ms |
344 KB |
Output is correct |
| 17 |
Correct |
1 ms |
344 KB |
Output is correct |
| 18 |
Correct |
1 ms |
348 KB |
Output is correct |
| 19 |
Correct |
1 ms |
352 KB |
Output is correct |
| 20 |
Correct |
1 ms |
348 KB |
Output is correct |
| 21 |
Correct |
1 ms |
488 KB |
Output is correct |
| 22 |
Correct |
1 ms |
348 KB |
Output is correct |
| 23 |
Correct |
1 ms |
348 KB |
Output is correct |
| 24 |
Correct |
1 ms |
348 KB |
Output is correct |
| 25 |
Correct |
1 ms |
348 KB |
Output is correct |
| 26 |
Correct |
104 ms |
5972 KB |
Output is correct |
| 27 |
Correct |
108 ms |
5904 KB |
Output is correct |
| 28 |
Correct |
87 ms |
4944 KB |
Output is correct |
| 29 |
Correct |
105 ms |
5688 KB |
Output is correct |
| 30 |
Correct |
98 ms |
5160 KB |
Output is correct |
| 31 |
Correct |
91 ms |
5240 KB |
Output is correct |
| 32 |
Correct |
111 ms |
5796 KB |
Output is correct |
| 33 |
Correct |
112 ms |
5928 KB |
Output is correct |
| 34 |
Correct |
106 ms |
5820 KB |
Output is correct |
| 35 |
Correct |
119 ms |
5972 KB |
Output is correct |
