Submission #630537

#	Time	Username	Problem	Language	Result	Execution time	Memory
630537		ojoConmigo	Bank (IZhO14_bank)	C++17	71 / 100	1091 ms	340 KiB

bank

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

int n,m;
vector<int> a,b;

bool f(int i, int mask){
    if(i == n)return true;
    bool sol = false;
    for(int newMask = 1; newMask < (1<<m); newMask++){
        if((mask&newMask) != 0) continue;
        int suma = 0;
        for(int j=0; j<m; j++){
            if(newMask&(1<<j)){
                suma += b[j];
                if(suma > a[i])break;
            }
        }
        if(suma == a[i]){
            sol = max(sol,f(i+1,mask|newMask));
            if(sol)return true;
        }
    }
    return sol;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    cin >> n >> m;
    a.resize(n);
    b.resize(m);
    for(int i=0; i<n; i++){
        cin >> a[i];
    }
    for(int i=0; i<m; i++){
        cin >> b[i];
    }
    if(f(0,0)){
        cout << "YES\n";
    }else cout << "NO\n";
}

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