Submission #979787

#	Time	Username	Problem	Language	Result	Execution time	Memory
979787		batsukh2006	Bank (IZhO14_bank)	C++17	100 / 100	97 ms	16984 KiB

bank

#include<iostream>
#include<stdio.h>
#include<math.h>
#include<map>
#include<string>
#include<algorithm>
#include<vector>
#include<string.h>
#include<utility>
#include<set>
#include<cmath>
#include<queue>
#include<deque>
#include<functional>
#include<stack>
#include<limits.h>
#include<iomanip>
#include<unordered_map> 
#include<numeric>
#include<tuple>
using namespace std;
 
#define MOD 1000000007
#define int long long
#define ff first
#define ss second
#define endl '\n'
void solve(){
	int n,m; cin>>n>>m;
	vector<int> a(n),b(m);
	for(int i=0; i<n; i++) cin>>a[i];
	for(int i=0; i<m; i++) cin>>b[i];
	vector<pair<int,int> > dp(1<<m);
	bool ok=0;
	for(int i=0; i<(1<<m); i++){
		for(int k=0; k<m; k++){
			if(i&(1<<k)){
				if(dp[i^(1<<k)].ss+b[k]==a[dp[i^(1<<k)].ff]){
					dp[i]=max(dp[i],{dp[i^(1<<k)].ff+1,0});
				}else{
					dp[i]=max(dp[i],{dp[i^(1<<k)].ff,dp[i^(1<<k)].ss+b[k]});
				}
			}
		}
		if(dp[i].ff==n) ok=1;
	}
	if(ok) cout<<"YES";
	else cout<<"NO";
}
signed main(){
    // freopen("248.in", "r", stdin);
    // freopen("248.out", "w", stdout);
    ios::sync_with_stdio(0);
    cin.tie(0);
    cout.tie(0);
    
    int t=1;
//    cin>>t;	
    while(t--){
        solve();
        cout<<endl;
    }
    return 0;
}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

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