Submission #1319613

#	Time	Username	Problem	Language	Result	Execution time	Memory
1319613		yessimkhan	Bank (IZhO14_bank)	C++20	71 / 100	1094 ms	452 KiB

bank

#include <bits/stdc++.h>

#define ll long long
#define ent '\n'
#define pb push_back
#define all(x) x.begin(),x.end()
#define PRaim_bek_abi ios_base::sync_with_stdio(0);cin.tie(0);

using namespace std;

const int N = 1e5+5;
const int MOD = 1e9+7;

int n , m , a[N] , b[N];
bool dp[N];
set<int>v;

void rec(int i , set<int>s){

    if (i == n + 1){
        cout << "YES";
        exit(0);
    }

    if (s.size() == 0) return;

    int ns = s.size();

    for (int mask = 0; mask < (1 << ns); mask++){
        int sum = 0;
        set<int>nw = s;
        auto it = s.begin();
        
        for (int j = 0; j < s.size(); j++){
            if (mask & (1 << j)){
                sum += b[*it];
                nw.erase(nw.find(*it));
            }
            it++;
        }

        if (sum == a[i]){
            rec(i + 1 , nw);
        }
    }
}

void easy(){
    
    cin >> n >> m;

    for (int i = 1; i <= n; i++){
        cin >> a[i];
    }

    for (int i = 1; i <= m; i++){
        cin >> b[i];
        v.insert(i);
    }

    rec(1 , v);
    
    cout << "NO";
}

signed main(){

    PRaim_bek_abi

    int t=1;
    //cin>>t;
    while(t--) easy();
}

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