【错的次数】

#include <bits/stdc++.h>

using namespace std;

int n,k;

int bo[20000];

int main()

{

    scanf("%d%d",&n,&k);

    for (int i = 0;i < n;i++)

    {

        int s = 0;

        for (int j = 0;j < k;j++)

        {

            int x;

            scanf("%d",&x);

            s = s*2+x;

        }

        bo[s] = 1;

        if (s==0)

            return cout << "YES"<<endl,0;

    }

    for (int i = 0 ;i < (1<<k);i++)

        for (int j = 0;j < (1<<k);j++)

            if (bo[i]&&bo[j]&&(i&j)==0)

                return cout <<"YES"<<endl,0;

    cout << "NO" << endl;

    return 0;

}