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  1. #include <bits/stdc++.h>
  2.  
  3. using namespace std;
  4.  
  5. int q, n, largest, cnt, templen;
  6.  
  7. int main() {
  8.     cin >> q;
  9.     while(q--)
  10.     {
  11.         largest = 1;
  12.         cnt = templen = 0;
  13.         cin >> n;
  14.         if(n == 1)
  15.         {
  16.             cout << "1\n";
  17.             continue;
  18.         }
  19.         if(n == 2)
  20.         {
  21.             cout << "2\n";
  22.             continue;
  23.         }
  24.         if(n == 3)
  25.         {
  26.             cout << "3\n";
  27.             continue;
  28.         }
  29.         while(largest * 2 <= n)
  30.         {
  31.             largest *= 2;
  32.             cnt++;
  33.         }
  34.         if(n >= largest * 2 - 1) cout << 2 * cnt + 1 << '\n';
  35.         else if(n >= largest + (largest / 2) - 1) cout << 2 * cnt << '\n';
  36.         else cout << 2 * cnt - 1 << '\n';
  37.     }
  38.     return 0;
  39. }
  40.  
Success #stdin #stdout 0s 4504KB
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https://ideone.com/jQ3whW
language:
C++14 (gcc 8.3)
created:
4 years ago
visibility:
secret

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