Submission #739920

#	Time	Username	Problem	Language	Result	Execution time	Memory
739920		Desh03	Bank (IZhO14_bank)	C++17	46 / 100	1 ms	448 KiB

bank

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

const int mxn = 1001;
int m, cnt = 0;
vector<int> b;
vector<vector<int>> dp(mxn, vector<int>(21, 0));
vector<int> mp(mxn);

void recurse(int sum, int i) {
    if (dp[sum][i]) return;
    mp[sum] = 1;
    dp[sum][i] = 1;
    if (i == m) return;
    if (sum + b[i] < mxn) recurse(sum + b[i], i + 1);
    recurse(sum, i + 1);
}

void solve() {
    int n;
    cin >> n >> m;
    vector<int> a(n);
    b.resize(m);
    for (int i = 0; i < n; i++) cin >> a[i];
    for (int i = 0; i < m; i++) cin >> b[i];
    recurse(0, 0);
    for (int i = 0; i < n; i++) {
        if (!mp[a[i]]) {
            cout << "NO";
            return;
        }
    }
    cout << "YES";
}

signed main() {
    ios_base::sync_with_stdio(false);
    cin.tie(0);
    int t = 1;
    // cin >> t;
    for (int i = 1; i <= t; i++) {
        solve();
    }
}

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