Submission #974798

#	Time	Username	Problem	Language	Result	Execution time	Memory
974798		KasymK	Bank (IZhO14_bank)	C++17	0 / 100	3 ms	8540 KiB

bank

#include "bits/stdc++.h"

using namespace std;

int main(){
    ios::sync_with_stdio(false); cin.tie(nullptr);
    int n, m;
    cin >> n >> m;
    vector<int> b(m), pref(n + 1);
    for(int i = 1; i <= n; ++i){
        int x;
        cin >> x;
        pref[i] = pref[i - 1] + x;
    }
    for(int &i : b)
        cin >> i;
    vector<int> dp(1 << 21);
    dp[0] = 1;
    for(int mk = 0; mk <= (1 << m); ++mk){
        int sum = 0;
        for(int j = 0; j < m; ++j)
            if(mk >> j & 1)
                sum += b[j];
        int id = lower_bound(pref.begin(), pref.end(), sum) - pref.begin();
        id--;
        if(id == n)
            continue;
        for(int j = 0; j < m; ++j)
            if((mk >> j & 1) and (b[j] <= sum - pref[id - 1]))
                dp[mk] |= dp[mk ^ (1 << j)];
        if(pref[n - 1] == sum and dp[mk]){
            cout << "YES" << "\n";
            return 0;
        }
    }
    cout << "NO" << "\n";
    return 0;
}

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