Submission #292448

#	Time	Username	Problem	Language	Result	Execution time	Memory
292448		7_7_7	Geppetto (COCI15_geppetto)	C++17	80 / 80	404 ms	520 KiB

geppetto

#include <bits/stdc++.h>

using namespace std;

int n;
int m;
int used[50][50];
int main()
{
    ios_base::sync_with_stdio(false);

    cin >> n >> m;
    for(int i = 1; i <= m; i ++){
        int x, y;
        cin >> x >> y;
        used[x][y] = 1;
        used[y][x] = 1;
    }
    int res = 0;
    for(int i = 0; i < (1 << n); i ++){
        vector<int> t;
        for(int j = 0; j < n; j ++){
            if(i & (1 << j)) t.push_back(j + 1);
        }
        int good = 1;
        for(int j = 0; j < (int)t.size(); j ++){
            for(int k = j + 1; k < (int)t.size(); k ++){
                good &= (used[t[j]][t[k]] == 0);
            }
        }
        res += good;
    }
    cout << res << "\n";
}

• Subtask 1: 80 / 80