Program to convert Decimal to Binary number

#include <iostream.h> void binary(int); void main(void) { int number; cout << "Please enter a positive integer: "; cin >> number; if (number < 0) cout << "That is not a positive integer.\n"; else { cout << number << " converted to binary is: "; binary(number); cout << endl; } } void binary(int number) { int remainder; if(number <= 1) { cout << number; return; } remainder = number%2; binary(number >> 1); cout << remainder; }