#include<bits/stdc++.h>
#define fi first
#define se second
#define pitem item*
using namespace std;
typedef long long ll;
typedef unsigned long long ull;
typedef vector<int> vi;
typedef vector<ll> vl;
const int N=1e6+10;
const int SS=1<<19;
const int INFi=2e9;
const ll INFl=1e13;
const ll mod2=998244353;
const ll mod=1e9+7;
const ll mod3=1000696969;
const ll p=70032301;
const ull p2=913;
const int L=20;
int t[N],fau[N];
int Find(int a){
if(fau[a]==a) return a;
return fau[a]=Find(fau[a]);
}
void Union(int a,int b){
a=Find(a),b=Find(b);
fau[a]=b;
}
void solve(){
int n,m,q;
cin>>n>>m>>q;
for(int i=1;i<=n;i++) fau[i]=i;
for(int i=1;i<=m;i++){
for(int k=1;k<=n;k++){
int a;
cin>>a;
Union(k,a);
}
}
while(q--){
int a,b;
cin>>a>>b;
cout<<(Find(a)==Find(b)?"DA":"NE")<<"\n";
}
}
int main(){
ios_base::sync_with_stdio(0),cin.tie(0);
int tt=1;
while(tt--) solve();
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
91 ms |
5560 KB |
Output is correct |
2 |
Correct |
99 ms |
4980 KB |
Output is correct |
3 |
Correct |
73 ms |
4556 KB |
Output is correct |
4 |
Correct |
86 ms |
5620 KB |
Output is correct |
5 |
Correct |
100 ms |
5556 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
352 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
356 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
1 ms |
336 KB |
Output is correct |
5 |
Correct |
1 ms |
352 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
2 ms |
356 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
360 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 |
344 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 |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
91 ms |
5560 KB |
Output is correct |
2 |
Correct |
99 ms |
4980 KB |
Output is correct |
3 |
Correct |
73 ms |
4556 KB |
Output is correct |
4 |
Correct |
86 ms |
5620 KB |
Output is correct |
5 |
Correct |
100 ms |
5556 KB |
Output is correct |
6 |
Correct |
2 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
336 KB |
Output is correct |
10 |
Correct |
1 ms |
352 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 |
2 ms |
356 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
360 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 |
344 KB |
Output is correct |
20 |
Correct |
1 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 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 |
167 ms |
9324 KB |
Output is correct |
27 |
Correct |
153 ms |
9504 KB |
Output is correct |
28 |
Correct |
133 ms |
7756 KB |
Output is correct |
29 |
Correct |
161 ms |
9064 KB |
Output is correct |
30 |
Correct |
147 ms |
7972 KB |
Output is correct |
31 |
Correct |
144 ms |
7992 KB |
Output is correct |
32 |
Correct |
153 ms |
9448 KB |
Output is correct |
33 |
Correct |
169 ms |
9376 KB |
Output is correct |
34 |
Correct |
173 ms |
9464 KB |
Output is correct |
35 |
Correct |
162 ms |
9408 KB |
Output is correct |