Submission #1181963

#	Time	Username	Problem	Language	Result	Execution time	Memory
1181963		FaresSTH	Bank (IZhO14_bank)	C++20	44 / 100	1096 ms	4424 KiB

bank

#include"bits/stdc++.h"
using namespace std;
int n,m,a[25],b[25],f[1001],cur[1001],pre[(1<<20)];
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 k=0;k<(1<<m);k++){
        if(k&v||pre[k]>1000||!f[pre[k]]||cur[pre[k]]>=f[pre[k]])continue;
        cur[pre[k]]++;
        sol(i+1,v|k);
        cur[pre[k]]--;
    }
}
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];
    for(int k=0;k<(1<<m);k++){
        for(int j=0;j<m;j++){
            if(k&(1<<j))pre[k]+=b[j];
        }
    }
    sol(0,0);
    cout<<"NO";
}

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