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  1. #include <string>
  2. #include <iostream>
  3. #include <algorithm>
  4. using namespace std;
  5.  
  6. int getIntFromBinaryText(const char* text)
  7. {
  8.     int value = 0;
  9.     while(*text)
  10.     {
  11.         value <<= 1;
  12.              if(*text == '1')    value |= 1;
  13.         else if(*text == '0')    ;          // do nothing
  14.         else                     return -1; // invalid input... return a negative number to indicate error
  15.         ++text;
  16.     }
  17.  
  18.     return value;
  19. }
  20.  
  21. std::string getBinaryTextFromInt(int value)
  22. {
  23.     std::string text;
  24.     // note I'm assuming 'value' is positive here
  25.  
  26.     while(value > 0)
  27.     {
  28.         if(value & 1)       text += '1';
  29.         else                text += '0';
  30.         value >>= 1;
  31.     }
  32.  
  33.     if(text.empty())        return "0";
  34.     std::reverse( text.begin(), text.end() );       // #include <algorithm>
  35.     return text;
  36. }
  37.  
  38. int main()  // note:  main... not that _tmain garbage.
  39. {
  40.     int divisor = getIntFromBinaryText("1011");  // or just "divisor = 11;"
  41.  
  42.     std::string text;
  43.     cout << " dividend ?" << endl;
  44.     cin >> text;
  45.  
  46.     int dividend = getIntFromBinaryText(text.c_str());
  47.     if(dividend < 0)
  48.     {
  49.         cout << "Invalid input";
  50.         return 1;
  51.     }
  52.  
  53.     int result = dividend / divisor;
  54.     int remainder = dividend % divisor;
  55.  
  56.     cout << "dividend=" << getBinaryTextFromInt(dividend);
  57.     cout << "    divisor=" <<  getBinaryTextFromInt(divisor);
  58.     cout << "    result=" <<  getBinaryTextFromInt(result);
  59.     cout << "    remainder=" <<  getBinaryTextFromInt(remainder);
  60.  
  61. }
Success #stdin #stdout 0s 3480KB
comments (?)
stdin
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1001
stdout
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 dividend ?
dividend=1001    divisor=1011    result=0    remainder=1001
https://ideone.com/U3Ul0O
language:
C++14 (gcc 8.3)
created:
10 years ago
visibility:
public

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