Submission #958140

#	Time	Username	Problem	Language	Result	Execution time	Memory
958140		ezzzay	Kitchen (BOI19_kitchen)	C++14	0 / 100	1 ms	412 KiB

kitchen

#include<bits/stdc++.h>
using namespace std;
#define int long long
#define pb push_back
#define ff first
#define ss second
const int N=550;
int a[N];
int b[N];
signed main(){
    int n,m,k;
    cin>>n>>m>>k;
    int s=0;
    for(int i=1;i<=n;i++){
        cin>>a[i];
        s+=a[i];
    }
    for(int i=0;i<m;i++)cin>>b[i];
    
    for(int i=1;i<=n;i++){
        if(a[i]<k){
            cout<<"IMPOSSIBLE";
            return 0;
        }
    }
    int ans=1e9;
    int sum=s;
		for(int i=0; i<(1<<m); i++){
			int cur=0,cnt=0,num=0;
			for(int j=0; j<m; j++){
				if(i&(1<<j)){
					if(num+b[j]>=n){
						cnt++;
						num=min(num,(num+b[j])%n);
					}else{
						num+=b[j];
					}
					cur+=b[j];
				}
			}
			if(cur>=sum&&cnt>=k){
				ans=min(ans,cur-sum);
			}
		}
		
    if(ans==1e9){
        cout<<"IMPOSSIBLE";
    }
    else cout<<ans;
}

• Subtask 1: 0 / 9
• Subtask 2: 0 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28