Submission #765627

#	Time	Username	Problem	Language	Result	Execution time	Memory
765627		edfearay11	Bank (IZhO14_bank)	C++17	44 / 100	1002 ms	316 KiB

bank

#include<bits/stdc++.h>

using namespace std;

#define f(i,a,b) for(int i=a;i<b;i++)
#define af(i,a,b) for(int i=a;i>=b;i--)
#define fastio ios_base::sync_with_stdio(false);cin.tie(NULL);cout.tie(NULL)
#define PB push_back
#define MP make_pair
#define F first
#define S second

typedef long long int ll;
typedef pair<ll,ll> pll;
typedef pair<int,int> pii;

const ll mod=1e9+7;
const int maxN=2e5+5;
const ll inf=1e12;

int n,m;
vector<int> v,u;
bool xx=false;
int vis[30];

void prob(int i, int j){
	/*f(l,0,n){
		cout<<v[l]<<" ";
	}
	cout<<"\n";
	f(l,0,m){
		cout<<vis[l]<<" ";
	}
	cout<<"\n";
	*/
	if(i==n){
		xx=true;
		return;
	}
	if(v[i]==0){
		f(x,0,m) prob(i+1,x);
		return;
	}
	if(vis[j]==1) return;
	if(v[i]<u[j]) return;
	vis[j]=1;
	v[i]-=u[j];
	f(x,j+1,m){
		prob(i,x);
	}
	v[i]+=u[j];
	vis[j]=0;
}

void go(){
	cin>>n>>m;
	int a;
	f(i,0,n){
		cin>>a;
		v.PB(a);
	}
	f(i,0,m){
		cin>>a;
		u.PB(a);
	}
	u.PB(0);
	m++;
	f(i,0,m) prob(0,i);
	
	if(xx) cout<<"YES\n";
	else cout<<"NO\n";
}

int main(){
	fastio;
	int test=1;
	//cin>>test;
	f(i,1,test+1){
		//cout<<"Case "<<i<<":\n";
		go();
	}

	return 0;
}

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