Submission #503705

#	Time	Username	Problem	Language	Result	Execution time	Memory
503705		Stickfish	NoM (RMI21_nom)	C++17	9 / 100	1090 ms	264 KiB

Main

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

signed main() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n * 2);
    for (int i = 0; i < n * 2; ++i)
        a[i] = i;
    vector<int> ca = a;
    int ans = 0;
    do {
        ++ans;
        for (int i = 0; i < 2 * n; i += 2) {
            if (a[i] % m == a[i + 1] % m) {
                //for (auto x : a)
                    //cout << x << ' ';
                //cout << endl;
                --ans;
                break;
            }
        }
        next_permutation(a.begin(), a.end());
    } while (ca != a);
    cout << ans << endl;
}

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