#include <bits/stdc++.h>
using namespace std;
const int N=1005;
int x,k,q,p[N],s[N],a[N];
int get(int a){
return (a==p[a]?a:p[a]=get(p[a]));
}
void merge(int l,int r){
l=get(l),r=get(r);
if(l==r)return;
if(s[l]>s[r])swap(l,r);
s[r]+=s[l];
p[l]=r;
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);
cin>>x>>k>>q;
for(int i=1;i<=x;i++)p[i]=i,s[i]=1;
for(int j=1;j<=k;j++){
for(int i=1;i<=x;i++)cin>>a[i];
for(int i=1;i<=x;i++)merge(i,a[i]);
}
while(q--){
int l,r;cin>>l>>r;
cout<<(get(l)==get(r)?"DA":"NE")<<"\n";
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
81 ms |
5580 KB |
Output is correct |
2 |
Correct |
78 ms |
4812 KB |
Output is correct |
3 |
Correct |
83 ms |
4656 KB |
Output is correct |
4 |
Correct |
85 ms |
5608 KB |
Output is correct |
5 |
Correct |
97 ms |
5588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
360 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
364 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 |
360 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
336 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
364 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 |
336 KB |
Output is correct |
17 |
Correct |
1 ms |
332 KB |
Output is correct |
18 |
Correct |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
336 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
81 ms |
5580 KB |
Output is correct |
2 |
Correct |
78 ms |
4812 KB |
Output is correct |
3 |
Correct |
83 ms |
4656 KB |
Output is correct |
4 |
Correct |
85 ms |
5608 KB |
Output is correct |
5 |
Correct |
97 ms |
5588 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
360 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 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 |
336 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
364 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 |
336 KB |
Output is correct |
22 |
Correct |
1 ms |
332 KB |
Output is correct |
23 |
Correct |
1 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
143 ms |
9400 KB |
Output is correct |
27 |
Correct |
141 ms |
9360 KB |
Output is correct |
28 |
Correct |
120 ms |
7720 KB |
Output is correct |
29 |
Correct |
144 ms |
9096 KB |
Output is correct |
30 |
Correct |
135 ms |
7976 KB |
Output is correct |
31 |
Correct |
130 ms |
8012 KB |
Output is correct |
32 |
Correct |
136 ms |
9344 KB |
Output is correct |
33 |
Correct |
158 ms |
9356 KB |
Output is correct |
34 |
Correct |
144 ms |
9380 KB |
Output is correct |
35 |
Correct |
149 ms |
9388 KB |
Output is correct |