Submission #1098388

#	Time	Username	Problem	Language	Result	Execution time	Memory
1098388		vjudge1	Bank (IZhO14_bank)	C++17	100 / 100	89 ms	8792 KiB

bank

#include <bits/stdc++.h>
using namespace std;
int main()
{
    int n, m;
    cin >> n >> m;
    vector<int> a(n), b(m);
    for(auto &i : a)
    {
        cin >> i;
    }
    for(auto &i : b)
    {
        cin >> i;
    }
    vector<int> l(1 << m, -1), r(1 << m, -1);
    l[0] = r[0] = 0;
    for(int i = 0; i < (1 << m); i++)
    {
        for(int j = 0; j < m; j++)
        {
            int k = i ^ (1 << j);
            if(!(i & (1 << j)) || r[k] == -1)
            {
                continue;
            }
            int w = l[k] + b[j];
            int cur = a[r[k]];
            if(w < cur)
            {
                r[i] = r[k];
                l[i] = w;
            }
            else if(w == cur)
            {
                r[i] = r[k] + 1;
                l[i] = 0;
            }
        }
        if(r[i] == n)
        {
            cout << "YES";
            return 0;
        }
    }
    cout << "NO";
}

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