Submission #851215

#	Time	Username	Problem	Language	Result	Execution time	Memory
851215		NamPE	Bank (IZhO14_bank)	C++17	25 / 100	1046 ms	600 KiB

bank

#include <bits/stdc++.h>

using namespace std;
typedef long long ll;

int main() {
    ll n, m;
    cin >> n >> m;

    vector<ll> a(n), b(m);

    for (ll& i : a) {
        cin >> i;
    }

    for (ll& i : b) {
        cin >> i;
    }

    sort(b.begin(), b.end());

    do {
        ll sum = 0;
        ll cur = 0;

        for (ll i : b) {
            sum += i;

            if (sum == a[cur]) {
                cur++;
                sum = 0;
            } else if (sum > a[cur]) {
                break;
            }

            if (cur == a.size()) {
                cout << "YES";
                return 0;
            }
        }
    } while (next_permutation(b.begin(), b.end()));

    cout << "NO";
}

Compilation message (stderr)

bank.cpp: In function 'int main()':
bank.cpp:36:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::vector<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
   36 |             if (cur == a.size()) {
      |                 ~~~~^~~~~~~~~~~

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