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  1. #include <iostream>
  2. #include <cmath>
  3.  
  4. using namespace std;
  5.  
  6. int int_length(int bit_number);
  7. int bin_to_int(int bit_number);
  8.  
  9. int main()
  10. {
  11.     cout << bin_to_int(111100010) << endl;
  12.     return 0;
  13. }
  14.  
  15. int int_length(int bit_number){
  16.     bool found = false;
  17.     int digit_count = 0;
  18.  
  19.     while(!found){
  20.         int division = bit_number / pow(10, digit_count);
  21.         if(division < 1){
  22.             found = true;
  23.         }
  24.         else{
  25.             digit_count++;
  26.         }
  27.     }
  28.     return digit_count;
  29. }
  30.  
  31. int bin_to_int(int bit_number){
  32.     int number_length = int_length(bit_number);
  33.  
  34.     int number = 0;
  35.  
  36.     for(int i = 0; i < number_length; i++){
  37.         int e = pow(10, i);
  38.         int digit;
  39.  
  40.         if(e < 10){
  41.             digit = bit_number % 10;
  42.             digit = digit * pow(2, i);
  43.             number = number + digit;
  44.         }
  45.         else{
  46.             digit = (bit_number / e) % 10;
  47.             digit = digit * pow(2, i);
  48.             number = number + digit;
  49.         }
  50.     }
  51.  
  52.     return number;
  53.  
  54. }
Success #stdin #stdout 0s 4600KB
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stdin 
Standard input is empty
stdout 
482
https://ideone.com/Oq6ZVk
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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