Submission #1077500

#	Time	Username	Problem	Language	Result	Execution time	Memory
1077500		vjudge1	Council (JOI23_council)	C++17	0 / 100	1 ms	348 KiB

council

#include <bits/stdc++.h>
#define F first
#define S second
#define pb push_back
#define ppb pop_back
#define ep insert
#define endl '\n'
#define elif else if
#define pow pwr
#define sqrt sqrtt
//#define int long long
#define ll long long
typedef unsigned long long ull;
using namespace std;
const int N=3e5+5,M=1030;
int a[N],n,m,f[20],b[M];
int32_t main(){
	ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL);
	cin>>n>>m;
	for (int i=1;i<=n;i++){
		for (int j=0;j<m;j++){
			bool x;cin>>x;
			if (x) a[i]|=(1<<j),f[j]++;
		}
		b[a[i]]++;
	}	
	for (int i=1;i<=n;i++){
		for (int j=0;j<m;j++) if (a[i]&(1<<j)) f[j]--;
		b[a[i]]--;
		int ans=0,x=0;
		for (int j=0;j<m;j++) x+=(f[j]>=n/2);
		for (int j=0;j<M;j++){
			if (!b[j]) continue;
			int y=x;
			for (int k=0;k<m;k++) if ((j&(1<<j)) && f[k]==n/2) y--;
			ans=max(ans,y);
		}
		for (int j=0;j<m;j++) if (a[i]&(1<<j)) f[j]++;
		b[a[i]]++;
		cout<<ans<<endl; 
	}
	return 0;
}

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