This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
const int nx=3e5+5, mx=15;
#pragma GCC optimize("O3,unroll-loops")
#pragma GCC target("avx2,bmi,bmi2,lzcnt,popcnt")
int n, m, sm[mx], a[nx][mx], msk[nx], cnt[(1<<mx)+5], res[nx];
int main()
{
cin.tie(NULL)->sync_with_stdio(false);
cin>>n>>m;
for (int i=1; i<=n; i++) for (int j=0; j<m; j++) cin>>a[i][j], sm[j]+=a[i][j], msk[i]+=(1-a[i][j])*(1<<j);
for (int i=1; i<=n; i++) cnt[msk[i]]++;
for (int i=1; i<=n; i++)
{
cnt[msk[i]]--;
int vl=0, ans=0;
for (int j=0; j<m; j++)
{
if (sm[j]-a[i][j]>=(n/2)) ans++;
if (sm[j]-a[i][j]!=(n/2)) vl+=(1<<j);
}
for (int j=0; j<(1<<m); j++) if (cnt[j]) res[i]=max(res[i], ans-(m-__builtin_popcount(j|vl)));
cnt[msk[i]]++;
}
for (int i=1; i<=n;i ++) cout<<res[i]<<'\n';
}
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