PedF UK - OKB1319205 Ukol4

#include <iostream>

 /**
  * Program reads zeros and ones from stdin and after terminating char 2 print decimal value of binary number.
  *
  * @return Returns 1 if wrong input is detected, 0 if everything ok.
  * @author Michael Hartman [email protected]
  */

int main ( int argc, char ** argv )
 {
    short i;
    unsigned int num = 0;
    while ( 1 )
     {
        if ( ! ( std::cin >> i ) || ( i != 0 && i != 1 && i != 2 ) )
         {
            std::cerr << "Wrong input!" << std::endl;
            return 1;
         }

        if ( i == 2 )
            break;

        num <<= 1;
        num |= (unsigned int) i;
     }
    std::cout << "vysledna hodnota je " << num << std::endl;
    return 0;
 }