c++ - Find the reverse of a number (ex : 2500 reverse 0025) without the help of string or character

Question

Is there any technique for finding the reverse when there are zeros at the end.

While following the algorithm of %10 technique the result is 52. And the 0's are missing.

I have got the reverse by just printing the reminders (with 0's). But I am not satisfied as I wish to display the answer as the value in a variable.

Kindly tell me is there any technique to store a value 005 to a variable and also to display 005 (please don't use String or Character or array).

Answer 1

You cannot represent an integer with leading zeros as a single integer variable, that information is simply not part of the way bits are allocated in an integer. You must use something larger, i.e. a string or an array of individual (small integer) digits.