Submission #6907011

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Source Code Expand

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

int n, m;
bool g[15][15]{};

int main() {
    cin >> n >> m;
    for(int i=0;i<m;i++){
        int x, y;
        cin >> x >> y;
        x--; y--;
        g[x][y] = true;
        g[y][x] = true;
    }
    int ans = 0;
    for(int S=1;S<(1<<n);S++){
        bool ok = true;
        int cnt = 0;
        for(int i=0;i<n;i++){
            if((S>>i)&1){
                cnt++;
                for(int j=i+1;j<n;j++){
                    if((S>>j)&1){
                        ok &= g[i][j];
                    }
                }
            }
        }
        if(ok){
            ans = max(ans, cnt);
        }
    }
    cout << ans << endl;
    return 0;
}

Submission Info

Judge Result