Submission #1128369

#	Time	Username	Problem	Language	Result	Execution time	Memory
1128369		ImperialALEN	Bank (IZhO14_bank)	C++20	0 / 100	1 ms	580 KiB

bank

#include <bits/stdc++.h> 

// #pragma GCC optomize ("Ofast")
// #pragma GCC optomize ("unroll-loops")
// #pragma GCC target ("avx,avx2,fma")

#define F first
#define S second 
#define ll long long
#define int long long
#define pb push_back
#define all(x) (x.begin(),x.end())
#define	ios	ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);	
 
using namespace std;
  
const ll N = 2e4+7, INF = 1e18 , inf = 1e6, mod = 1e9+7;

int a[22];
int b[22];

int good[N];
int have[N];	

signed main(){
    ios;
	int tt=1;
//	cin>>tt;
	while(tt--){
		int n,m;
		cin>>n>>m;
		for(int i=1;i<=n;i++)cin>>a[i];
		for(int i=1;i<=m;i++)cin>>b[i];
		for(int mask=0;mask<(1<<m);mask++){
			for(int i=0;i<m;i++){
				if((mask & (1<<i))==0){
					int pred=(mask & (1<<i));
					int chel=a[good[pred]+1];
					int use=have[pred]+b[i];
					if(chel>use){
						good[mask]=good[pred];
						have[mask]=use;
					}else if(chel==use){
						good[mask]=good[pred]+1;
						have[mask]=0;
					}
				}
			}
			if(good[mask]==n){
				cout<<"YES";
				return 0;
			}
		}
		cout<<"NO";
	}
}

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