#include <bits/stdc++.h>
using namespace std;
const int MN=1002;
int n,m,q;
vector<int> adj[MN];
bool vis[MN];
set<int> dest[MN];
void dfs(int u,int p) {
vis[u]=1;
dest[p].insert(u);
for(int v:adj[u])
if(!vis[v])
dfs(v,p);
}
int main() {
ios::sync_with_stdio(0);cin.tie(0);
cin>>n>>m>>q;
for(int i=1;i<=m;i++)
for(int u=1,v;u<=n;u++) {
cin>>v;
adj[v].push_back(u);
}
for(int i=1;i<=n;i++) {
memset(vis,0,sizeof(vis));
dfs(i,i);
}
int a,b;
while(q--) {
cin>>a>>b;
if(dest[a].count(b)) cout<<"DA\n";
else cout<<"NE\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
480 ms |
39012 KB |
Output is correct |
2 |
Correct |
426 ms |
33488 KB |
Output is correct |
3 |
Correct |
212 ms |
12744 KB |
Output is correct |
4 |
Correct |
587 ms |
48936 KB |
Output is correct |
5 |
Correct |
81 ms |
1948 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
3 ms |
724 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
3 ms |
848 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
468 KB |
Output is correct |
2 |
Correct |
1 ms |
468 KB |
Output is correct |
3 |
Correct |
3 ms |
724 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
3 ms |
848 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
468 KB |
Output is correct |
10 |
Correct |
2 ms |
468 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
1 ms |
468 KB |
Output is correct |
13 |
Correct |
3 ms |
852 KB |
Output is correct |
14 |
Correct |
2 ms |
596 KB |
Output is correct |
15 |
Correct |
1 ms |
468 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
3 ms |
852 KB |
Output is correct |
18 |
Correct |
1 ms |
468 KB |
Output is correct |
19 |
Correct |
2 ms |
484 KB |
Output is correct |
20 |
Correct |
1 ms |
468 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
480 ms |
39012 KB |
Output is correct |
2 |
Correct |
426 ms |
33488 KB |
Output is correct |
3 |
Correct |
212 ms |
12744 KB |
Output is correct |
4 |
Correct |
587 ms |
48936 KB |
Output is correct |
5 |
Correct |
81 ms |
1948 KB |
Output is correct |
6 |
Correct |
1 ms |
468 KB |
Output is correct |
7 |
Correct |
1 ms |
468 KB |
Output is correct |
8 |
Correct |
3 ms |
724 KB |
Output is correct |
9 |
Correct |
2 ms |
596 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
468 KB |
Output is correct |
12 |
Correct |
3 ms |
848 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
2 ms |
468 KB |
Output is correct |
15 |
Correct |
2 ms |
468 KB |
Output is correct |
16 |
Correct |
1 ms |
468 KB |
Output is correct |
17 |
Correct |
1 ms |
468 KB |
Output is correct |
18 |
Correct |
3 ms |
852 KB |
Output is correct |
19 |
Correct |
2 ms |
596 KB |
Output is correct |
20 |
Correct |
1 ms |
468 KB |
Output is correct |
21 |
Correct |
1 ms |
468 KB |
Output is correct |
22 |
Correct |
3 ms |
852 KB |
Output is correct |
23 |
Correct |
1 ms |
468 KB |
Output is correct |
24 |
Correct |
2 ms |
484 KB |
Output is correct |
25 |
Correct |
1 ms |
468 KB |
Output is correct |
26 |
Correct |
272 ms |
10576 KB |
Output is correct |
27 |
Correct |
174 ms |
6364 KB |
Output is correct |
28 |
Execution timed out |
1020 ms |
44412 KB |
Time limit exceeded |
29 |
Halted |
0 ms |
0 KB |
- |