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Submission #812262

# Submission time Handle Problem Language Result Execution time Memory
812262 2023-08-07T08:03:35 Z MyCode Inside information (BOI21_servers) C++17
0 / 100
 20 ms 724 KB 
#include <bits/stdc++.h>

using namespace std;

#define int long long

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr), cout.tie(nullptr);
    int n, k;
    cin >> n >> k;
    int pos[n + 1], cur = 0;
    for (int i = 1; i <= n; i++)
        pos[i] = -1;
    for (int q = 0; q < n + k - 1; q++) {
        char t;
        cin >> t;
        if (t == 'S') {
            int a, b;
            cin >> a >> b;
            if (a != 1)swap(a, b);
            pos[b] = q;
            cur++;
        } else if (t == 'Q') {
            int a, b;
            cin >> a >> b;
            if (a == 1) {
                if (pos[b] != -1)
                    cout << "yes\n";
                else
                    cout << "no\n";
                continue;
            }
            if (b == 1) {
                if (pos[a] != -1)
                    cout << "yes\n";
                else
                    cout << "no\n";
                continue;
            }
            if (pos[a] > pos[b])
                cout << "yes\n";
            else
                cout << "no\n";
        } else {
            int d;
            cin >> d;
            if (pos[d] == -1)cout << "1\n";
            else cout << 1 + cur - pos[d] + 1 << "\n";
        }
    }
    return 0;
}

Subtask #1
0 / 2.5

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #2
0 / 2.5

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 724 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #3
0 / 2.5

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 624 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #4
0 / 2.5

# Verdict Execution time Memory Grader output
1 Incorrect 20 ms 624 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #5
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #6
0 / 5.0

# Verdict Execution time Memory Grader output
1 Incorrect 19 ms 656 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #7
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #8
0 / 10.0

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 596 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #9
0 / 12.5

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #10
0 / 12.5

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 672 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #11
0 / 17.5

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 648 KB Output isn't correct
2 Halted 0 ms 0 KB -

Subtask #12
0 / 17.5

# Verdict Execution time Memory Grader output
1 Incorrect 16 ms 648 KB Output isn't correct
2 Halted 0 ms 0 KB -