Submission #525062

#	Time	Username	Problem	Language	Result	Execution time	Memory
525062		Dilshod_Imomov	Bank (IZhO14_bank)	C++17	71 / 100	1089 ms	47448 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 = 2e6 + 7;
const int mod = 1e9 + 7;
// const int INF = 1e18 + 7;

int a[N], b[N], n, m;
vector < int > vc[N];
string ans = "NO";
bool used[30][N];

void rec( int i, int mask ) {
   if ( used[i][mask] ) {
      return;
   }
   used[i][mask] = 1;
   if ( i == n + 1 ) {
      cout << "YES";
      exit(0);
   }
   for ( int msk = 0; msk < (1 << m); msk++ ) {
      int cnt = 0;
      for ( int j = 0; j < m; j++ ) {
         if ( (msk >> j) & 1 ) {
            cnt += b[j];
         }
      }
      if ( cnt == a[i] && !(msk & mask) ) {
         rec(i + 1, msk | mask);
      }
   }
}

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( 1, 0 );
   cout << "NO";  
}

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