Submission #1001392

#	Time	Username	Problem	Language	Result	Execution time	Memory
1001392		toan2602	Bank (IZhO14_bank)	C++14	0 / 100	1 ms	604 KiB

bank

#include<bits/stdc++.h>

using namespace std;

#define int long long
void solve() {
    int n, m;
    cin >> n >> m;
    vector<int> a(n), b(m);
    vector<pair<int, int>> dp(1<<m);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < m; i++) cin >> b[i];
    for (int mask = 0; mask < (1<<n); mask++) {
        for (int j = 0; j < mask; j++) {
            if(mask >> j & 1) {
                int mask2 = mask ^ (1 << j);
                int sum = dp[mask2].second;
                sum += b[j];
                if(sum == a[dp[mask2].first + 1]) dp[mask] = {dp[mask2].first+1, 0};
                else if(sum < a[dp[mask2].first+1]) dp[mask] = {dp[mask2].first, sum};
            }
        }
        if(dp[mask].first == n-1) {cout << "YES\n"; return;}
    }
    cout << "NO";
}

signed main() {
    ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
    int t = 1;
    // cin >> t;
    while(t--) {
        solve();
    }
}

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