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  1. #include <bits/stdc++.h>
  2. using namespace std;
  3. #define ll long long
  4.  
  5.  
  6.  
  7. int hibit(unsigned int n) {
  8.     n |= (n >>  1);
  9.     n |= (n >>  2);
  10.     n |= (n >>  4);
  11.     n |= (n >>  8);
  12.     n |= (n >> 16);
  13.     return n - (n >> 1);
  14. }
  15.  
  16. ll numbers[40];
  17.  
  18. int main () {
  19.   ll t, n;
  20.   bool flag;
  21.   int cnt;
  22.   vector<int> ans;
  23.   cin >> t;
  24.   while(t--){
  25.     flag = false;
  26.     cnt = 0;
  27.     cin >> n;
  28.     for(int i = 1; i <= n; i++){
  29.       cin >> numbers[i];
  30.     }
  31.     for(int i = n - 1; i > 0; i--){
  32.       while(numbers[i] >= numbers[i+1]){
  33.         numbers[i] >>= 1; 
  34.         cnt++;
  35.       }
  36.       if(numbers[i] <= 0 && i != 1) {
  37.         ans.push_back(-1);
  38.         flag = true;
  39.         break;
  40.       }
  41.     }
  42.     if(!flag)
  43.       ans.push_back(cnt);
  44.   }
  45.   for(size_t i = 0; i< ans.size(); i++){
  46.     cout << ans[i] << endl;
  47.   }
  48.  
  49.   return 0;
  50. }
Time limit exceeded #stdin #stdout 5s 5468KB
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https://ideone.com/MEZYNY
language:
C++14 (gcc 8.3)
created:
1 year ago
visibility:
secret

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