Submission #891742

#	Time	Username	Problem	Language	Result	Execution time	Memory
891742		alexander707070	Council (JOI23_council)	C++14	16 / 100	4078 ms	32144 KiB

council

#include<bits/stdc++.h>
#define MAXN 300007
using namespace std;

int n,m,br[25],curr;
int a[MAXN],s[MAXN][25],res,ans;

int main(){

    ios_base::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);

    cin>>n>>m;
    for(int i=1;i<=n;i++){
        for(int f=1;f<=m;f++){
            cin>>s[i][f];
            a[i]*=2; a[i]+=s[i][f];

            br[f]+=s[i][f];
        }
    }

    for(int i=1;i<=n;i++){
        for(int f=1;f<=m;f++)br[f]-=s[i][f];
        
        curr=res=0;
        for(int f=1;f<=m;f++){
            curr*=2;
            if(br[f]==n/2)curr++;
            if(br[f]>=n/2)res++;
        }

        ans=0;
        for(int f=1;f<=n;f++){
            if(f!=i)ans=max(ans,res-__builtin_popcount(curr&a[f]));
        }

        cout<<ans<<"\n";

        for(int f=1;f<=m;f++)br[f]+=s[i][f];
    }

    return 0;
}

• Subtask 1: 8 / 8
• Subtask 2: 8 / 8
• Subtask 3: 0 / 6
• Subtask 4: 0 / 19
• Subtask 5: 0 / 15
• Subtask 6: 0 / 22
• Subtask 7: 0 / 22