Submission #1128182

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128182		colfp	Bank (IZhO14_bank)	C++20	100 / 100	118 ms	8644 KiB

bank

#include<bits/stdc++.h>

using namespace std;

int a[30],b[30];
int arr[(1<<20)],dp[(1<<20)];
int n,m;
int main(){
	ios_base::sync_with_stdio(false);
    cin.tie(NULL);
	cin >> n >> m;
	for(int i = 1; i <= n; i++)
    {
        cin >> a[i];
    }
	for(int i = 0; i < m; i++)
    {
        cin >> b[i];
    }
	for(int i = 1; i < (1 << m);i++)
    {
		for(int j = 0; j < m; j++)
		{
			if(!(i & (1 << j)))
			{
                continue;
			}
			int msk = i^(1<<j);
			int cur = dp[msk]+1;
			int cash = arr[msk];
			if(cur <= dp[i])
            {
                continue;
            }
			if(a[cur] == cash + b[j])
            {
				dp[i] = cur;
				arr[i] = 0;
			}
			else if(dp[msk] >= dp[i])
			{
				dp[i] = dp[msk];
				arr[i] = arr[msk] + b[j];
			}
		}
		if(dp[i] == n)
        {
			cout << "YES";
			return 0;
		}
	}
	cout << "NO";
}

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