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Submission #1062539

# Submission time Handle Problem Language Result Execution time Memory
1062539 2024-08-17T08:23:49 Z thinknoexit Amusement Park (CEOI19_amusementpark) C++17
0 / 100
 0 ms 348 KB 
#include<bits/stdc++.h>
using namespace std;
using ll = long long;
const int MOD = 998244353;
int a[155], b[155], p[22];
int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, m;
    cin >> n >> m;
    for (int i = 1;i <= m;i++) {
        cin >> a[i] >> b[i];
    }
    for (int i = 1;i <= n;i++) p[i] = i;
    int ans = 0;
    do {
        for (int i = 1;i <= m;i++) {
            if (p[a[i]] > p[b[i]]) ans++;
        }
    } while (next_permutation(p + 1, p + 1 + n));
    cout << ans;
    return 0;
}

Subtask #1
0 / 7.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #2
0 / 12.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #3
0 / 23.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #4
0 / 21.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -

Subtask #5
0 / 37.0

# Verdict Execution time Memory Grader output
1 Correct 0 ms 344 KB Output is correct
2 Correct 0 ms 348 KB Output is correct
3 Incorrect 0 ms 348 KB Output isn't correct
4 Halted 0 ms 0 KB -