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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int length(int ch) {
  5.     int it = 1;
  6.     while (ch != 1) {
  7.         if (ch % 2 == 1) {
  8.             ch = ch * 3 + 1;
  9.         }
  10.         else {
  11.             ch = ch / 2;
  12.         }
  13.         it++;
  14.     }
  15.     return it;
  16. }
  17.  
  18. int main() {
  19.     int i, j;
  20.     while(cin >> i) {
  21.         cin >> j;
  22.         int it, maxIt = 0;
  23.         for (int a = min(i, j); a <= max(i, j); a++) {
  24.             it = length(a);
  25.             if (it > maxIt) {
  26.                 maxIt = it;
  27.             }
  28.         }
  29.         cout << i << ' ' << j << ' ' << maxIt << endl;
  30.     }
  31.     return 0;
  32. }
Success #stdin #stdout 0s 4300KB
comments (?)
stdin
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5 25
70 54
38 250
stdout
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5 25 24
70 54 113
38 250 128
https://ideone.com/G30Oqp
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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