Submission #1131024

#	Time	Username	Problem	Language	Result	Execution time	Memory
1131024		julia_08	Kitchen (BOI19_kitchen)	C++20	31 / 100	2 ms	328 KiB

kitchen

#include <bits/stdc++.h>
using namespace std;

const int MAXN = 310;

int a[MAXN], b[MAXN];

int main(){
  cin.tie(0)->sync_with_stdio(0);

  int n, m, k; cin >> n >> m >> k;

  int s_a = 0;

  for(int i=0; i<n; i++){
    cin >> a[i];
    s_a += a[i];
  }

  for(int i=0; i<m; i++){
    cin >> b[i];
  }

  for(int i=0; i<n; i++){
    if(a[i] < k){
      cout << "Impossible\n";
      return 0;
    }
  }

  int ans = 1e9;

  for(int mask=0; mask<(1 << m); mask++){

    int s_b = 0, sum = 0;

    for(int i=0; i<m; i++){
      if(mask & (1 << i)){
        s_b += b[i];
        sum += min(n, b[i]);
      }
    }

    if(s_a > s_b || k > __builtin_popcount(mask) || sum < n * k) continue;

    ans = min(ans, s_b - s_a);
  }

  if(ans == 1e9){
    cout << "Impossible\n";

  } else cout << ans << "\n";

  return 0;
}

• Subtask 1: 9 / 9
• Subtask 2: 22 / 22
• Subtask 3: 0 / 20
• Subtask 4: 0 / 21
• Subtask 5: 0 / 28