Submission #1035906

#	Time	Username	Problem	Language	Result	Execution time	Memory
1035906		vanea	Bank (IZhO14_bank)	C++14	100 / 100	94 ms	8792 KiB

bank

#include <bits/stdc++.h>
using namespace std;
using ll = long long;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);
    int n, m;
    cin >> n >> m;
    vector<int> a(n+1), b(m);
    for(int i = 1; i <= n; i++) {
        cin >> a[i];
    }
    for(int i = 0; i < m; i++) {
        cin >> b[i];
    }
    vector<array<int, 2>> dp(1 << m);
    for(int i = 0; i < 1 << m; i++) {
        for(int j = 0; j < m; j++) {
            if(i & (1 << j)) {
                array<int, 2> last = dp[i ^ (1 << j)];
                int nxt = last[0]+1;
                if(last[1] + b[j] == a[nxt]) {
                    last[0] = nxt;
                    last[1] = 0;
                }
                else {
                    last[1] += b[j];
                }
                dp[i] = max(dp[i], last);
            }
        }
    }
    if(dp[(1 << m) - 1][0] == n) cout << "YES";
    else cout << "NO";
    return 0;
}

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