#include<bits/stdc++.h>
using namespace std;
const int N = 1000 + 10;
int n, par[N];
int root(int x)
{
if(par[x] == x) return x;
return par[x] = root(par[x]);
}
void merge(int x, int y)
{
x = root(x), y = root(y);
if(x == y) return;
par[x] = y;
}
int main()
{
int n, m, q;
cin >> n >> m >> q;
iota(par, par + n + 1, 0);
for(int i = 0; i < m ; i++)
{
for(int j = 1, pj; j <= n; j ++)
{
cin >> pj;
merge(j, pj);
}
}
while(q--)
{
int x, y;
cin >> x >> y;
cout << (root(x) == root(y) ? "DA" : "NE") << endl;
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
671 ms |
1876 KB |
Output is correct |
2 |
Correct |
640 ms |
1472 KB |
Output is correct |
3 |
Correct |
616 ms |
1532 KB |
Output is correct |
4 |
Correct |
644 ms |
2132 KB |
Output is correct |
5 |
Correct |
775 ms |
1688 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
348 KB |
Output is correct |
2 |
Correct |
3 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
3 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
3 ms |
348 KB |
Output is correct |
2 |
Correct |
3 ms |
348 KB |
Output is correct |
3 |
Correct |
2 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
348 KB |
Output is correct |
5 |
Correct |
2 ms |
348 KB |
Output is correct |
6 |
Correct |
2 ms |
348 KB |
Output is correct |
7 |
Correct |
2 ms |
344 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
3 ms |
348 KB |
Output is correct |
11 |
Correct |
3 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
348 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
3 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
348 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 |
432 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
671 ms |
1876 KB |
Output is correct |
2 |
Correct |
640 ms |
1472 KB |
Output is correct |
3 |
Correct |
616 ms |
1532 KB |
Output is correct |
4 |
Correct |
644 ms |
2132 KB |
Output is correct |
5 |
Correct |
775 ms |
1688 KB |
Output is correct |
6 |
Correct |
3 ms |
348 KB |
Output is correct |
7 |
Correct |
3 ms |
348 KB |
Output is correct |
8 |
Correct |
2 ms |
348 KB |
Output is correct |
9 |
Correct |
1 ms |
348 KB |
Output is correct |
10 |
Correct |
2 ms |
348 KB |
Output is correct |
11 |
Correct |
2 ms |
348 KB |
Output is correct |
12 |
Correct |
2 ms |
344 KB |
Output is correct |
13 |
Correct |
2 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
348 KB |
Output is correct |
15 |
Correct |
3 ms |
348 KB |
Output is correct |
16 |
Correct |
3 ms |
348 KB |
Output is correct |
17 |
Correct |
2 ms |
348 KB |
Output is correct |
18 |
Correct |
2 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
348 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
3 ms |
348 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 |
432 KB |
Output is correct |
26 |
Correct |
785 ms |
1888 KB |
Output is correct |
27 |
Correct |
829 ms |
1816 KB |
Output is correct |
28 |
Correct |
714 ms |
1452 KB |
Output is correct |
29 |
Correct |
898 ms |
1856 KB |
Output is correct |
30 |
Correct |
676 ms |
1620 KB |
Output is correct |
31 |
Correct |
707 ms |
1452 KB |
Output is correct |
32 |
Correct |
837 ms |
1876 KB |
Output is correct |
33 |
Correct |
880 ms |
1944 KB |
Output is correct |
34 |
Correct |
820 ms |
1964 KB |
Output is correct |
35 |
Correct |
810 ms |
1948 KB |
Output is correct |