Submission #1181931

#	Time	Username	Problem	Language	Result	Execution time	Memory
1181931		FaresSTH	Bank (IZhO14_bank)	C++20	19 / 100	1095 ms	444 KiB

bank

#include"bits/stdc++.h"
using namespace std;
using ll=long long;
#define S second
#define F first
int n,m,a[25],b[25],f[20001],cur[20001];
void sol(int i,int v){
    if(i==n){
        for(int j=0;j<n;j++){
            if(cur[a[j]]<f[a[j]])return;
        }
        cout<<"YES";
        exit(0);
    }
    for(int mask=0;mask<(1<<m);mask++){
        if(mask&v)continue;
        int res=0;
        for(int j=0;j<m;j++){
            if(mask&(1<<j))res+=b[j];
        }
        cur[res]++;
        sol(i+1,v|mask);
        cur[res]--;
    }
}
int main(){
    cin.tie(0)->sync_with_stdio(0);
    cin>>n>>m;
    for(int i=0;i<n;i++){
        cin>>a[i];
        f[a[i]]++;
    }
    for(int i=0;i<m;i++)cin>>b[i];
    sol(0,0);
    cout<<"NO";
}

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