Answer to Question #23786 in C++ for EMMANUEL

Question

write a program which inputs an octal number and outputs its decimal equivalent. the following example illustrates the expected behaviour of the program:
input an octal number : 214
octal(214) = Decimal (532)

Answer 1

#include <iostream>

void main(){
int oct0, oct, dec = 0, a = 1, r, t = 1;
std::cout<<"enter an octal number: ";
std::cin>>oct;
oct0 = oct;
while (oct0 != 0)
{
r = oct0%10;
oct0 = oct0/10;
dec += t*r;
t *= 8;
a++;
}
std::cout<<"octal("<<oct<<") = decimal("<<dec<<")\n";
system("pause");
}