#include <bits/stdc++.h>
#define ll long long
#define pii pair<int, int>
#define pll pair<ll, ll>
#define F first
#define S second
using namespace std;
int N, K, c[4005];
bitset<4005> b[4005];
signed main()
{
cin >> N >> K;
K += N - 1;
for(int i = 1; i <= N; i++)
b[i][i] = 1;
for(int i = 1; i <= K; i++)
{
char t;
int A, B;
cin >> t;
if(t == 'C')
cin >> A;
else
cin >> A >> B;
if(t == 'S')
{
b[A] |= b[B];
b[B] |= b[A];
}
else if(t == 'C')
{
int cnt = 0;
for(int i = 1; i <= N; i++)
cnt += b[i][A];
cout << cnt << '\n';
}
else if(t == 'Q')
cout << (b[A][B] ? "yes\n" : "no\n");
}
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
189 ms |
1540 KB |
Output is correct |
2 |
Correct |
205 ms |
3980 KB |
Output is correct |
3 |
Correct |
204 ms |
3940 KB |
Output is correct |
4 |
Correct |
202 ms |
4104 KB |
Output is correct |
5 |
Correct |
215 ms |
3948 KB |
Output is correct |
6 |
Correct |
207 ms |
3932 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
189 ms |
1540 KB |
Output is correct |
2 |
Correct |
205 ms |
3980 KB |
Output is correct |
3 |
Correct |
204 ms |
3940 KB |
Output is correct |
4 |
Correct |
202 ms |
4104 KB |
Output is correct |
5 |
Correct |
215 ms |
3948 KB |
Output is correct |
6 |
Correct |
207 ms |
3932 KB |
Output is correct |
7 |
Correct |
186 ms |
1472 KB |
Output is correct |
8 |
Correct |
547 ms |
3672 KB |
Output is correct |
9 |
Correct |
430 ms |
3720 KB |
Output is correct |
10 |
Correct |
511 ms |
3736 KB |
Output is correct |
11 |
Correct |
462 ms |
3616 KB |
Output is correct |
12 |
Correct |
495 ms |
3968 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
193 ms |
1540 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4436 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
193 ms |
1540 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4436 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
192 ms |
1644 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4412 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
192 ms |
1644 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4412 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
199 ms |
1532 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4436 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
199 ms |
1532 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4436 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
198 ms |
1660 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4468 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
198 ms |
1660 KB |
Output is correct |
2 |
Runtime error |
3 ms |
4468 KB |
Execution killed with signal 11 |
3 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
190 ms |
1544 KB |
Output is correct |
2 |
Correct |
209 ms |
3960 KB |
Output is correct |
3 |
Correct |
209 ms |
3952 KB |
Output is correct |
4 |
Correct |
207 ms |
3980 KB |
Output is correct |
5 |
Correct |
206 ms |
3916 KB |
Output is correct |
6 |
Correct |
214 ms |
4052 KB |
Output is correct |
7 |
Correct |
187 ms |
1716 KB |
Output is correct |
8 |
Runtime error |
3 ms |
4436 KB |
Execution killed with signal 11 |
9 |
Halted |
0 ms |
0 KB |
- |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
190 ms |
1544 KB |
Output is correct |
2 |
Correct |
209 ms |
3960 KB |
Output is correct |
3 |
Correct |
209 ms |
3952 KB |
Output is correct |
4 |
Correct |
207 ms |
3980 KB |
Output is correct |
5 |
Correct |
206 ms |
3916 KB |
Output is correct |
6 |
Correct |
214 ms |
4052 KB |
Output is correct |
7 |
Correct |
187 ms |
1716 KB |
Output is correct |
8 |
Runtime error |
3 ms |
4436 KB |
Execution killed with signal 11 |
9 |
Halted |
0 ms |
0 KB |
- |