Submission #1089375

#	Time	Username	Problem	Language	Result	Execution time	Memory
1089375		vjudge1	Bank (IZhO14_bank)	C++17	100 / 100	165 ms	55844 KiB

bank

//don't copy pls)
/*TAAK ZDES NADO RECURSIU PISAT*/

//I'm not in the danger i am the DANGER
#include "bits/stdc++.h"
#include <ext/pb_ds/assoc_container.hpp>
#define ll long long
#define pb push_back
// #define int long long
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
#define pii pair<int,int>
#define sigma signed
using namespace std;
using namespace __gnu_pbds;
const int N = 1e3 + 5;
int mod = 1e9 + 7;
int n,m,a[N],b[N],dp[N][N],used[21][(1 << 20) + 1],sum;
vector <int> g[N];
void rec(int pos = 1 , int mask = 0){
	if(pos == n + 1){
		cout << "YES\n";
		exit(0);
	}
	if(used[pos][mask]) return;
	used[pos][mask] = 1;
	int x = a[pos];
	for(auto msk : g[x]){
		if((msk & mask) != 0) continue;
		rec(pos + 1 , msk | mask);
	}
	return;
}
void Gold(){
	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++){
		int sum = 0;
		for(int i = 1 ; i <= m ; i++){
			if(((mask >> (i - 1)) & 1)){
				sum += b[i];
			}
		}
		if(sum <= 1000){
			g[sum].pb(mask);
		}
	}
	rec();
	cout << "NO";
}
sigma main(){
	//freopen("txt.in","r",stdin);
	//freopen("txt.out","w",stdout);
	ios_base::sync_with_stdio(0);
	cin.tie(0);
	srand(time(0));
	int TT = 1;
	// cin >> TT;
	for(int i = 1 ; i <= TT ; i++){
		//cout << "Case " << i << ": ";
		Gold();
	}
}

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