Submission #443697

#	Time	Username	Problem	Language	Result	Execution time	Memory
443697		Iwanttobreakfree	Bank (IZhO14_bank)	C++98	100 / 100	100 ms	8524 KiB

bank

#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;
int main(){
	int n,m;
	cin>>n>>m;
	vector<int> sal(n);
	vector<int> bank(m);
	for(int i=0;i<n;i++)cin>>sal[i];
	for(int i=0;i<m;i++)cin>>bank[i];
	vector<int> extra(1<<m,-1);
	vector<int> paid(1<<m,-1);
	extra[0]=paid[0]=0;
	for(int j=0;j<(1<<m);j++){
		for(int k=0;k<m;k++){
			if(j&(1<<k))continue;
			if(extra[j]+bank[k]<sal[paid[j]]&&paid[j]>paid[j+(1<<k)]){
				extra[j+(1<<k)]=extra[j]+bank[k];
				paid[j+(1<<k)]=paid[j];
			}
			else if(extra[j]+bank[k]==sal[paid[j]]&&paid[j]+1>paid[j+(1<<k)]){
				extra[j+(1<<k)]=0;
				paid[j+(1<<k)]=paid[j]+1;
				if(paid[j+(1<<k)]==n){
					cout<<"YES";
					return 0;
				}
			}
		}
	}
	cout<<"NO";
}

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 29 / 29