#include <bits/stdc++.h>
typedef long long ll;
using namespace std;
const int N=2e5+5;
map<int, int> graph;
int main() {
ios_base::sync_with_stdio(false);
cin.tie(NULL);
int n, k; cin>>n>>k;
graph[1]=1;
int count=1;
for(int i=0; i<n+k-1; i++){
char c; cin>>c;
if(c=='S'){
count+=1;
int u, v; cin>>u>>v;
graph[max(u,v)]=count;
}
else if(c=='Q'){
int v, chunk; cin>>v>>chunk;
if(graph[v]==0){
if(v==chunk) cout<<"yes"<<"\n";
else cout<<"no"<<"\n";
}
else{
if(graph[chunk]==0) cout<<"no"<<"\n";
else{
if(v==1) cout<<"yes"<<"\n";
else if(graph[v]>=graph[chunk]) cout<<"yes"<<"\n";
else cout<<"no"<<"\n";
}
}
}
else{
int chunk; cin>>chunk;
if(graph[chunk]==0){
cout<<1<<"\n";
}
else{
if(chunk==1){
int ans=graph.size();
cout<<ans<<"\n";
}
else {
int ans=graph.size()-graph[chunk]+2;
cout<<ans<<"\n";
}
}
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
22 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
22 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
856 KB |
Output is correct |
2 |
Correct |
128 ms |
6260 KB |
Output is correct |
3 |
Correct |
122 ms |
6484 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
22 ms |
856 KB |
Output is correct |
2 |
Correct |
128 ms |
6260 KB |
Output is correct |
3 |
Correct |
122 ms |
6484 KB |
Output is correct |
4 |
Incorrect |
22 ms |
704 KB |
Extra information in the output file |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
22 ms |
856 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
22 ms |
856 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
21 ms |
636 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
21 ms |
636 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
25 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
25 ms |
604 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
20 ms |
628 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
20 ms |
628 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |