#include <bits/stdc++.h>
#define eb emplace_back
#define mp make_pair
#define F first
#define S second
using namespace std;
typedef long long ll;
using pii = pair<int, int>;
int n, k;
const int SZ = 4001;
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cin >> n >> k;
assert(n < SZ);
vector<bitset<SZ>> b(n + 1);
for(int i = 1; i <= n; i++) b[i].set(i);
int q = n + k - 1;
while(q--){
string s;
cin >> s;
if(s == "S"){
int u, v;
cin >> u >> v;
b[u] |= b[v];
b[v] |= b[u];
}
else if(s == "Q"){
int a, d;
cin >> a >> d;
if(b[a][d]) cout << "yes\n";
else cout << "no\n";
}
else{
int d;
cin >> d;
int ans = 0;
for(int i = 1; i <= n; i++){
if(b[i][d]) ans++;
}
cout << ans << "\n";
}
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
684 KB |
Output is correct |
2 |
Correct |
44 ms |
2548 KB |
Output is correct |
3 |
Correct |
43 ms |
2584 KB |
Output is correct |
4 |
Correct |
45 ms |
2632 KB |
Output is correct |
5 |
Correct |
46 ms |
2632 KB |
Output is correct |
6 |
Correct |
46 ms |
2680 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
684 KB |
Output is correct |
2 |
Correct |
44 ms |
2548 KB |
Output is correct |
3 |
Correct |
43 ms |
2584 KB |
Output is correct |
4 |
Correct |
45 ms |
2632 KB |
Output is correct |
5 |
Correct |
46 ms |
2632 KB |
Output is correct |
6 |
Correct |
46 ms |
2680 KB |
Output is correct |
7 |
Correct |
35 ms |
1328 KB |
Output is correct |
8 |
Correct |
442 ms |
3736 KB |
Output is correct |
9 |
Correct |
359 ms |
3720 KB |
Output is correct |
10 |
Correct |
396 ms |
3580 KB |
Output is correct |
11 |
Correct |
400 ms |
3624 KB |
Output is correct |
12 |
Correct |
315 ms |
3944 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
604 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
604 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
664 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
41 ms |
664 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
592 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
34 ms |
592 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
42 ms |
632 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
42 ms |
632 KB |
Output is correct |
2 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
664 KB |
Output is correct |
2 |
Correct |
43 ms |
2628 KB |
Output is correct |
3 |
Correct |
43 ms |
2692 KB |
Output is correct |
4 |
Correct |
47 ms |
2628 KB |
Output is correct |
5 |
Correct |
46 ms |
2600 KB |
Output is correct |
6 |
Correct |
45 ms |
2632 KB |
Output is correct |
7 |
Correct |
35 ms |
728 KB |
Output is correct |
8 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
39 ms |
664 KB |
Output is correct |
2 |
Correct |
43 ms |
2628 KB |
Output is correct |
3 |
Correct |
43 ms |
2692 KB |
Output is correct |
4 |
Correct |
47 ms |
2628 KB |
Output is correct |
5 |
Correct |
46 ms |
2600 KB |
Output is correct |
6 |
Correct |
45 ms |
2632 KB |
Output is correct |
7 |
Correct |
35 ms |
728 KB |
Output is correct |
8 |
Runtime error |
1 ms |
460 KB |
Execution killed with signal 6 |
9 |
Halted |
0 ms |
0 KB |
- |