Submission #963572

#	Time	Username	Problem	Language	Result	Execution time	Memory
963572		maxFedorchuk	Bank (IZhO14_bank)	C++17	71 / 100	1057 ms	600 KiB

bank

#include <bits/stdc++.h>

#pragma GCC target("avx2,sse4,popcnt,bmi")
#pragma GCC optimize("Ofast,unroll-loops")

using namespace std;

const long long MX=22;
int a[MX],b[MX];

int n,m;

void cnt(int msk,int in,int zalsum,int munin)
{
    if(in>n)
    {
        cout<<"YES\n";
        exit(0);
    }

    if(zalsum==0)
    {
        cnt(msk,in+1,a[in+1],0);
        return;
    }

    for(int i=munin+1;i<=m;i++)
    {
        if(!((msk>>i)&1) && zalsum>=b[i])
        {
            cnt(msk|(1<<i),in,zalsum-b[i],i);
        }
    }
}

int main()
{
    cin.tie(0);
    ios_base::sync_with_stdio(0);

    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);

    cout<<"NO\n";
    return 0;
}

• Subtask 1: 19 / 19
• Subtask 2: 25 / 25
• Subtask 3: 27 / 27
• Subtask 4: 0 / 29