#include<iostream>
#include<vector>
#define ll long long
using namespace std;
vector<int> dsu,sz;
int query(int x){
if(x==dsu[x]) return x;
int tmp=query(dsu[x]);
dsu[x]=tmp;
return tmp;
}
void unite(int a,int b){
a=query(a);
b=query(b);
if(a==b) return;
if(sz[a]>sz[b]){
dsu[b]=a;
sz[a]+=sz[b];
}
else{
dsu[a]=b;
sz[b]+=sz[a];
}
}
int main(){
ios::sync_with_stdio(false);
cin.tie(0);
int n,m,q;
cin>>n>>m>>q;
dsu.resize(n+1);
sz.resize(n+1);
for(int i=1;i<=n;i++){
dsu[i]=i;
sz[i]=1;
}
int tmpp;
for(int i=0;i<m;i++){
for(int j=1;j<=n;j++){
cin>>tmpp;
unite(tmpp,j);
}
}
int a,b;
for(int i=0;i<q;i++){
cin>>a>>b;
if(query(a)==query(b)) cout<<"DA\n";
else cout<<"NE\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
77 ms |
5600 KB |
Output is correct |
2 |
Correct |
66 ms |
4912 KB |
Output is correct |
3 |
Correct |
65 ms |
4668 KB |
Output is correct |
4 |
Correct |
74 ms |
5540 KB |
Output is correct |
5 |
Correct |
76 ms |
5624 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
2 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
2 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
352 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
332 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
2 ms |
332 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
2 ms |
328 KB |
Output is correct |
8 |
Correct |
1 ms |
352 KB |
Output is correct |
9 |
Correct |
1 ms |
332 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
1 ms |
340 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
324 KB |
Output is correct |
17 |
Correct |
2 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
77 ms |
5600 KB |
Output is correct |
2 |
Correct |
66 ms |
4912 KB |
Output is correct |
3 |
Correct |
65 ms |
4668 KB |
Output is correct |
4 |
Correct |
74 ms |
5540 KB |
Output is correct |
5 |
Correct |
76 ms |
5624 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
332 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
2 ms |
332 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
2 ms |
328 KB |
Output is correct |
13 |
Correct |
1 ms |
352 KB |
Output is correct |
14 |
Correct |
1 ms |
332 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
324 KB |
Output is correct |
22 |
Correct |
2 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
141 ms |
9416 KB |
Output is correct |
27 |
Correct |
144 ms |
9396 KB |
Output is correct |
28 |
Correct |
125 ms |
7720 KB |
Output is correct |
29 |
Correct |
143 ms |
9008 KB |
Output is correct |
30 |
Correct |
129 ms |
8072 KB |
Output is correct |
31 |
Correct |
147 ms |
7980 KB |
Output is correct |
32 |
Correct |
146 ms |
9388 KB |
Output is correct |
33 |
Correct |
143 ms |
9328 KB |
Output is correct |
34 |
Correct |
131 ms |
9420 KB |
Output is correct |
35 |
Correct |
146 ms |
9516 KB |
Output is correct |