Submission #645558

#	Time	Username	Problem	Language	Result	Execution time	Memory
645558		Vanilla	NoM (RMI21_nom)	C++17	9 / 100	1093 ms	296 KiB

Main

#include <bits/stdc++.h>
using namespace std;
typedef long long int64;

int main() {
    int n,m;
    cin >> n >> m;
    vector <int> v(2 * n);
    for (int i = 0; i < n * 2; i++){
        v[i] = i;
    }
    int rs = 0;
    do {
        bool f = 1;
        int p[2 * n] = {};
        for (int i = 0; i < n * 2; i++){
            p[v[i]] = i;
        }
        for (int i = 0; i < n; i++){
            if (abs(p[i] - p[i + n]) % m == 0) f = 0;
        }
        rs+=f;
    } while (next_permutation(v.begin(), v.end()));
    cout << rs << "\n";
}

• Subtask 1: 9 / 9
• Subtask 2: 0 / 12
• Subtask 3: 0 / 13
• Subtask 4: 0 / 18
• Subtask 5: 0 / 48