Submission #1107536

#	Time	Username	Problem	Language	Result	Execution time	Memory
1107536		vjudge1	Bank (IZhO14_bank)	C++17	100 / 100	158 ms	28516 KiB

bank

#include <bits/stdc++.h>
using namespace std;
#define int long long
#define nn "\n";
#define pb push_back
#define all(v) (v).begin() , (v).end()
const int N = 10000;
int a[N] , b[N];
vector<int>g[N];
bool used[21][(1 << 20)];
int n , T , q , m ;
void rec(int v , int x ){
    if(v == n ){
        cout << "YES";
        exit(0);
    }
    if (used[v][x]) return;
    used[v][x] = true;
    for(int j:g[a[v]]){
        if((x&j)== 0 ){
            rec(v + 1 , (x | j));
        }
    }
}
signed main(){
    ios_base::sync_with_stdio(0) , cin.tie(0);
    cin>> n >> m ;
    for(int i=0 ; i < n ;i++)cin>> a[i];
    for(int i=0 ; i < m; i++)cin>> b[i];
    for(int i = 0 ; i < (1 << m ); i++){
            int sum =0 ;
        for(int j =0 ; j < m; j++){
            if(( i >> j )&1 ){
                sum+=b[j];
            }
        }
        if(sum <= 1000)g[sum].pb(i);
    }
    rec(0, 0);
    cout << "NO";
}

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