제출 #525034

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
525034		Dilshod_Imomov	은행 (IZhO14_bank)	C++17	0 / 100	1072 ms	380 KiB

bank

# include <bits/stdc++.h>
# define speed ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0)
# define int long long
# define fi first
# define se second

using namespace std;

const int N = 2e5 + 7;
const int mod = 1e9 + 7;
const int INF = 1e18 + 7;

int a[N], b[N], n, m;
string ans = "NO";

void rec( int i, int x, int mask ) {
   if ( i == n + 1 ) {
      ans = "YES";
      return;
   }
   if ( x == 0 ) {
      rec( i + 1, a[i + 1], mask );
      return;
   }
   for ( int j = 0; j < m; j++ ){
      if ( (mask >> j) & 1 ) {
         if ( b[j] <= x ) {
            rec( i, x - b[j], mask - (1 << j) );
         }
      }
   }
}

int32_t main() {
   speed;
   cin >> n >> m;
   for ( int i = 1; i <= n; i++ ) {
      cin >> a[i];
   }
   for ( int i = 0; i < m; i++ ) {
      cin >> b[i];
   }
   rec( 0, b[0], (1 << m)-1);
   cout << ans;
}

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