제출 #1027644

#제출 시각아이디문제언어결과실행 시간메모리
1027644vjudge1은행 (IZhO14_bank)C++14
19 / 100
1063 ms348 KiB
#include <bits/stdc++.h>

using namespace std;
int n,m;
const int MAX=20;
int plata[MAX],pari[MAX];
bool flag=false;
void f(int i,int cnt[])
{
    if(i>=m)
    {

        for(int j=0; j<n; j++)if(plata[j]!=cnt[j])return;

        flag=true;
        return;
    }
    for(int j=0; j<n; j++)
    {

        if(cnt[j]+pari[i]<=plata[j])
        {
            cnt[j]+=pari[i];
            f(i+1,cnt);
            cnt[j]-=pari[i];
        }
        //cout<<"add: "<<pari[i]<<" on pos: "<<j+1<<endl;


        f(i+1,cnt);
    }
}
int main()
{
    cin>>n>>m;
    for(int i=0; i<n; i++)cin>>plata[i];
    sort(plata,plata+n);
    for(int i=0; i<m; i++)cin>>pari[i];
    int cnt[n];
    memset(cnt,0,sizeof(cnt));
    f(0,cnt);
    if(flag)cout<<"YES"<<endl;
    else cout<<"NO"<<endl;
    return 0;
}
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