Submission #170049

#	Time	Username	Problem	Language	Result	Execution time	Memory
170049		itgl	Bank (IZhO14_bank)	C++14	0 / 100	2 ms	376 KiB

bank

#include<bits/stdc++.h>

using namespace std;
int n, m;
int a[25];
bool solve(int pos, int n1, int b[], int m1, int sum, int cnt){
  if(n1-1>m1) return 0;
  if(pos==n) return 1;
  if(sum==a[pos+1]) return solve(pos+1,n1-1,b,m1-cnt,0,0);
  for(int i=1;i<=m;i++){
    if(b[i]!=0){
      sum+=b[i];
      //cout << sum << endl;
      if(sum>a[pos]) return 0;
      int lol=b[i];
      b[i]=0;
      if(solve(pos,n1,b,m1,sum,cnt+1)) return 1;
      b[i]=lol;
      sum-=lol;
    }
  }
  return 0;
}

int main(){
  cin >> n >> m;
  int b[m+1];
  for(int i=1;i<=n;i++){
    cin >> a[i];
  }
  for(int j=1;j<=m;j++){
    cin >> b[j];
  }
  sort(b+1,b+n+1);
  if(solve(0,n,b,m,0,0)) cout << "YES";
  else cout << "NO";


  return 0;
}

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