Submission #963598

#	Time	Username	Problem	Language	Result	Execution time	Memory
963598		maxFedorchuk	은행 (IZhO14_bank)	C++17	100 / 100	144 ms	404 KiB

bank

#include<bits/stdc++.h>
using namespace std;
 
int a[22],b[22],n,m;
 
void cnt(int msk,int in,int sum,int k,int k0)
{
    if(in>n)
    {
        cout<<"YES";
        exit(0);
    }
    if(sum==0)
    {
        cnt(msk,in+1,a[in+1],0,k0);
        return;
    }

    if(k0<n-in+1) 
    {
        return;
    }

    for(int i=k+1;i<=m;i++)
    {
        if(msk&(1<<i) || sum<b[i]) 
            continue;
        
        cnt(msk+(1<<i), in,sum-b[i],i,k0-1);
    }
}
int main()
{
    cin>>n>>m;
 
    for(int i=1;i<=n;i++)
    {
        cin>>a[i];
    }
 
    for(int i=1;i<=m;i++) 
    {
        cin>>b[i];
    }
 
    cnt(0,1,a[1],0,m);
    
    cout<<"NO";
    return 0;
}

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