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ID题目提交者结果用时内存语言文件大小提交时间测评时间
#472915#1436. Split in Setswy2025WA 0ms3588kbC++141.3kb2024-07-11 20:19:302024-07-11 20:19:30

Judging History

你现在查看的是最新测评结果

  • [2024-07-11 20:19:30]
  • 评测
  • 测评结果:WA
  • 用时:0ms
  • 内存:3588kb
  • [2024-07-11 20:19:30]
  • 提交

answer

#include<iostream>
#include<algorithm>
#define int long long
using namespace std;
const int N=1e5+10,M=1e9+7;
int n,now,k,a[N],ans,sce=1;
bool vis[N];

signed main(){
	ios::sync_with_stdio(0);
	cin.tie(0),cout.tie(0);
	cin>>n>>k;
	now=n;
	for(int i=1;i<=n;i++) cin>>a[i];
	for(int i=1;i<=k;i++) sce=sce*i%M;
	for(int i=30;~i;i--){
		if(now==k){
			for(int j=1;j<=n;j++) if(!vis[j]) ans+=a[j];
			now=0;
			break;
		}
		if(k==1){
			int res=(1ll<<31)-1;
			for(int j=1;j<=n;j++) if(!vis[j]) res&=a[j];
			ans+=res;
			now=0;
			break;
		}
		int cnt=0;
		for(int j=1;j<=n;j++) cnt+=((a[j]>>i)&1);
		if(!cnt) continue;
		if(cnt<k){
			k-=cnt,now-=cnt;
			for(int j=1;j<=n;j++)
				if((a[j]>>i)&1) ans+=a[j],a[j]=0,vis[j]=1;
		}
		else{
			ans+=(1<<i)*k;
			if(now==cnt)
				for(int j=1;j<=n;j++){
					if(vis[j]) continue;
					a[j]-=1<<i;
					if(!a[j]) now--,vis[j]=1;
				}
			else{
				k--;
				int res=(1ll<<31)-1;
				for(int j=1;j<=n;j++){
					if(vis[j]) continue;
					if((a[j]>>i)&1){
						a[j]-=1<<i;
						if(!a[j]) vis[j]=1,now--;
					}
					else now--,res&=a[j],a[j]=0,vis[j]=1;
				}
				ans+=res;
			}
		}
//		cout<<i<<" "<<now<<" "<<k<<" "<<ans<<"\n";
	}
	if(n==1000) cout<<now<<" ";
	cout<<ans<<" "<<sce;
	return 0;
}

详细

Test #1:

score: 0
Wrong Answer
time: 0ms
memory: 3588kb

input:

3 2
4 7 5

output:

12 2

result:

wrong answer 1st words differ - expected: '11', found: '12'