이 제출은 이전 버전의 oj.uz에서 채점하였습니다. 현재는 제출 당시와는 다른 서버에서 채점을 하기 때문에, 다시 제출하면 결과가 달라질 수도 있습니다.
#include<bits/stdc++.h>
#define ll long long
using namespace std;
int kritv,N,M,K,maks[25],maska[300005],glasa[300005][25],stepen[25],ukup[25],res[300005],dist[1050005];
/*
0 - Moze a ne mora za to da ne glasa
1 - Mora da to da ne glasa
Dodavanje - 0 u 1 dodaje 1 cene
Ispitivanje - 1 u 0 dodaje 1 cene
*/
void rek1(int poz,int targ,int tren,int cena){
if(poz==K){
tren+=(targ&(stepen[M]-stepen[K]));
dist[tren]=min(dist[tren],cena);
return;
}
///Dodaje 0
rek1(poz+1,targ,tren,cena);
///Dodaje 1
if((targ&stepen[poz])==0)
rek1(poz+1,targ,tren+stepen[poz],cena+1);
else
rek1(poz+1,targ,tren+stepen[poz],cena);
return;
}
void dodaj(int x){
rek1(0,(stepen[M]-1)^x,0,0);
return;
}
void rek2(int poz,int targ,int tren,int cena,int indx){
if(poz==M){
res[indx]=min(res[indx],cena+dist[tren]);
return;
}
/// Dodaje 0
if((targ&stepen[poz])!=0)
rek2(poz+1,targ,tren,cena+1,indx);
else
rek2(poz+1,targ,tren,cena,indx);
/// Dodaje 1
rek2(poz+1,targ,tren+stepen[poz],cena,indx);
return;
}
void najblizi(int indx,int sta){
rek2(K,sta,sta&(stepen[K]-1),0,indx);
return;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>N>>M;
kritv=N/2;
stepen[0]=1;
for(int i=1;i<=24;i++)
stepen[i]=stepen[i-1]*2;
K=(M/2);
for(int i=1;i<=N;i++){
for(int j=0;j<M;j++)
cin>>glasa[i][j];
for(int j=0;j+j<M;j++)
swap(glasa[i][j],glasa[i][M-1-j]);
for(int j=0;j<M;j++){
ukup[j]+=glasa[i][j];
maska[i]+=stepen[j]*glasa[i][j];
}
}
for(int i=1;i<=N;i++)
for(int j=0;j<M;j++)
if(ukup[j]-glasa[i][j]>=kritv)
maks[i]++;
for(int i=1;i<=N;i++)
res[i]=M+1;
for(int i=0;i<=1050000;i++)
dist[i]=M+1;
for(int i=2;i<=N;i++){
dodaj(maska[i-1]);
int x=0;
for(int j=0;j<M;j++){
int kol=ukup[j]-glasa[i][j];
if(kol==kritv)
x+=stepen[j];
}
najblizi(i,x);
}
for(int i=0;i<=1050000;i++)
dist[i]=M+1;
for(int i=N-1;i>=1;i--){
dodaj(maska[i+1]);
int x=0;
for(int j=0;j<M;j++){
int kol=ukup[j]-glasa[i][j];
if(kol==kritv)
x+=stepen[j];
}
najblizi(i,x);
}
for(int i=1;i<=N;i++)
cout<<maks[i]-res[i]<<"\n";
cout<<"\n";
/* for(int i=1;i<=N;i++)
cout<<maks[i]<<" ";
cout<<"\n";
for(int i=1;i<=N;i++)
cout<<res[i]<<" ";
cout<<"\n";*/
return 0;
}
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