Submission #442865

#	Time	Username	Problem	Language	Result	Execution time	Memory
442865		RaadSharar777	Zapina (COCI20_zapina)	C++17	22 / 110	1085 ms	288 KiB

zapina

#include <bits/stdc++.h>
using namespace std;
int n = 5;
long long sum = 0,total = 0;
int howmany[1000];
void rec(int now) {
    if(now == n){
        total++;
        for (int i = 1; i <= n; i++) {
            if (howmany[i] == i) {
                sum++;
                return;
            }
        }
        return;
    }
    for (int i = 1;i <= n; i++) {
        howmany[i]++;
        rec(now + 1);
        howmany[i]--;
    }
}
int main()
{
    cin >> n;
    rec(0);
    cout << sum << endl;
}

• Subtask 1: 22 / 22
• Subtask 2: 0 / 33
• Subtask 3: 0 / 55