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Submission #531928

# Submission time Handle Problem Language Result Execution time Memory
531928 2022-03-01T23:27:29 Z 4fecta Inside information (BOI21_servers) C++17
2.5 / 100
 224 ms 524292 KB 
#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define int ll
#define ld long double
#define pii pair<int, int>
#define f first
#define s second
#define boost() cin.tie(0), cin.sync_with_stdio(0)

const int MN = 120001;

int n, q, u, v;
bitset<MN> b[MN];
char c;

int32_t main() {
    boost();

    cin >> n >> q;
    for (int i = 1; i <= n; i++) b[i][i] = 1;
    for (int i = 1; i < n + q; i++) {
        cin >> c >> u;
        if (c != 'C') cin >> v;
        if (c == 'S') {

            b[u] |= b[v];
            b[v] |= b[u];
        } else if (c == 'Q') {

            if (b[u][v]) printf("yes\n");
            else printf("no\n");
        } else {
        }
    }

    return 0;
}

Subtask #1
2.5 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 24 ms 2160 KB Output is correct
2 Correct 74 ms 60788 KB Output is correct
3 Correct 64 ms 60824 KB Output is correct
4 Correct 91 ms 60748 KB Output is correct
5 Correct 68 ms 60712 KB Output is correct
6 Correct 78 ms 60832 KB Output is correct

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 24 ms 2160 KB Output is correct
2 Correct 74 ms 60788 KB Output is correct
3 Correct 64 ms 60824 KB Output is correct
4 Correct 91 ms 60748 KB Output is correct
5 Correct 68 ms 60712 KB Output is correct
6 Correct 78 ms 60832 KB Output is correct
7 Incorrect 23 ms 1724 KB Extra information in the output file
8 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2196 KB Output is correct
2 Runtime error 207 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #4
0 / 2.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 2196 KB Output is correct
2 Runtime error 207 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1292 KB Output is correct
2 Runtime error 222 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1292 KB Output is correct
2 Runtime error 222 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1612 KB Output is correct
2 Runtime error 196 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1612 KB Output is correct
2 Runtime error 196 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 1624 KB Output is correct
2 Runtime error 224 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Correct 21 ms 1624 KB Output is correct
2 Runtime error 224 ms 524292 KB Execution killed with signal 9
3 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1648 KB Output is correct
2 Correct 77 ms 59620 KB Output is correct
3 Correct 66 ms 59676 KB Output is correct
4 Correct 76 ms 59588 KB Output is correct
5 Correct 76 ms 59668 KB Output is correct
6 Correct 84 ms 59680 KB Output is correct
7 Correct 21 ms 1628 KB Output is correct
8 Runtime error 195 ms 524292 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# Verdict Execution time Memory Grader output
1 Correct 20 ms 1648 KB Output is correct
2 Correct 77 ms 59620 KB Output is correct
3 Correct 66 ms 59676 KB Output is correct
4 Correct 76 ms 59588 KB Output is correct
5 Correct 76 ms 59668 KB Output is correct
6 Correct 84 ms 59680 KB Output is correct
7 Correct 21 ms 1628 KB Output is correct
8 Runtime error 195 ms 524292 KB Execution killed with signal 9
9 Halted 0 ms 0 KB -