Submission #684439

#	Time	Username	Problem	Language	Result	Execution time	Memory
684439		GudStonks	Bank (IZhO14_bank)	C++17	0 / 100	3 ms	852 KiB

bank

#include<bits/stdc++.h>
using namespace std;
#define ll long long
const ll MOD = 1e9+7;
ll n, m, arr[25], brr[25];
vector<ll>ma;
map<ll, ll>val;
map<ll, vector<ll> >mask;

void fun(){
	cin>>n>>m;
	for(int i = 1; i <= n; i++)cin>>arr[i];
	for(int i = 1; i <= m; i++)cin>>brr[i];
	ma.push_back(0);
	val[0] = 0;
	mask[0].push_back(0);
	for(int i = 1; i <= m; i++){
		for(auto it : ma){
			if((it & (1 << (i - 1))))
				continue;
			ll cur = it + (1 << (i - 1));
			mask[val[it] + brr[i]].push_back(cur);
			val[cur] = val[it] + brr[i];
			ma.push_back(cur);
		}
	}
	vector<ll>ms[25];
	ms[0].push_back(0);
	for(int i = 1; i <= n; i++){
		for(auto it : mask[arr[i]]){
			for(auto tt : ms[i - 1]){
				if((it & tt) == 0)
					ms[i].push_back(it | tt);
			}
		}
	}
	if(ms[n].size())
		cout<<"YES\n";
	else
		cout<<"NO\n";
}
int  main(){
	ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
	int ttt = 1;
	//cin>>ttt;
	while(ttt--)fun();
}

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