#include <bits/stdc++.h>
using namespace std;
const int mxN = (int)120010;
int n, k, pos[mxN];
set<int> S[mxN];
int32_t main()
{
ios_base::sync_with_stdio(false); cin.tie(0);
cin >> n >> k; int sz = 1;
for(int i = 1; i <= n; i++) S[i].insert(i);
for(int _ = 0; _ < n+k-1; _++){
char t; int x, y;
cin >> t >> x;
if(t=='S'){
cin >> y;
if(x>y)swap(x,y);
pos[y]=sz++;
for(auto u :S[x])
S[y].insert(u);
S[x]=S[y];
}
else if(t=='Q'){
cin >> y;
if(1) cout << (S[x].count(y)?"yes":"no");
else if(x==1) cout << (pos[y]?"yes":"no");
else if(y==1) cout << (pos[x]?"yes":"no");
else cout << (pos[x]>=pos[y] and pos[x] and pos[y]?"yes":"no");
}
else{
int cnt = 0;
for(int i = 1; i <= n; i++) cnt+=S[i].count(x);
if(1) cout << cnt;
else if(!pos[x] and x!=1) cout << 1;
else cout << sz-pos[x]+1;
}
if(t!='S') cout << "\n";
}
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
6484 KB |
Output is correct |
2 |
Correct |
37 ms |
9008 KB |
Output is correct |
3 |
Correct |
256 ms |
54524 KB |
Output is correct |
4 |
Correct |
43 ms |
8720 KB |
Output is correct |
5 |
Correct |
36 ms |
8528 KB |
Output is correct |
6 |
Correct |
1786 ms |
383872 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
25 ms |
6484 KB |
Output is correct |
2 |
Correct |
37 ms |
9008 KB |
Output is correct |
3 |
Correct |
256 ms |
54524 KB |
Output is correct |
4 |
Correct |
43 ms |
8720 KB |
Output is correct |
5 |
Correct |
36 ms |
8528 KB |
Output is correct |
6 |
Correct |
1786 ms |
383872 KB |
Output is correct |
7 |
Correct |
28 ms |
7120 KB |
Output is correct |
8 |
Correct |
3154 ms |
8808 KB |
Output is correct |
9 |
Execution timed out |
3578 ms |
27744 KB |
Time limit exceeded |
10 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
6860 KB |
Output is correct |
2 |
Runtime error |
2231 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
27 ms |
6860 KB |
Output is correct |
2 |
Runtime error |
2231 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
7012 KB |
Output is correct |
2 |
Correct |
185 ms |
35212 KB |
Output is correct |
3 |
Correct |
219 ms |
35196 KB |
Output is correct |
4 |
Runtime error |
1394 ms |
524288 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
24 ms |
7012 KB |
Output is correct |
2 |
Correct |
185 ms |
35212 KB |
Output is correct |
3 |
Correct |
219 ms |
35196 KB |
Output is correct |
4 |
Runtime error |
1394 ms |
524288 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
31 ms |
6988 KB |
Output is correct |
2 |
Runtime error |
2123 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
31 ms |
6988 KB |
Output is correct |
2 |
Runtime error |
2123 ms |
524288 KB |
Execution killed with signal 9 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
6988 KB |
Output is correct |
2 |
Correct |
165 ms |
35136 KB |
Output is correct |
3 |
Correct |
177 ms |
35196 KB |
Output is correct |
4 |
Runtime error |
1263 ms |
524288 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
6988 KB |
Output is correct |
2 |
Correct |
165 ms |
35136 KB |
Output is correct |
3 |
Correct |
177 ms |
35196 KB |
Output is correct |
4 |
Runtime error |
1263 ms |
524288 KB |
Execution killed with signal 9 |
5 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
7000 KB |
Output is correct |
2 |
Correct |
44 ms |
9028 KB |
Output is correct |
3 |
Correct |
228 ms |
54428 KB |
Output is correct |
4 |
Correct |
53 ms |
8616 KB |
Output is correct |
5 |
Correct |
66 ms |
8548 KB |
Output is correct |
6 |
Correct |
1703 ms |
383800 KB |
Output is correct |
7 |
Correct |
27 ms |
7272 KB |
Output is correct |
8 |
Runtime error |
2028 ms |
524288 KB |
Execution killed with signal 9 |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
26 ms |
7000 KB |
Output is correct |
2 |
Correct |
44 ms |
9028 KB |
Output is correct |
3 |
Correct |
228 ms |
54428 KB |
Output is correct |
4 |
Correct |
53 ms |
8616 KB |
Output is correct |
5 |
Correct |
66 ms |
8548 KB |
Output is correct |
6 |
Correct |
1703 ms |
383800 KB |
Output is correct |
7 |
Correct |
27 ms |
7272 KB |
Output is correct |
8 |
Runtime error |
2028 ms |
524288 KB |
Execution killed with signal 9 |
9 |
Halted |
0 ms |
0 KB |
- |