An Automorphic number is a number whose square ends with the same digits as the original number. E.g – 5, 6, 76 etc.

Automorphic numbers

Steps to Check Automorphic Number in C

  1. Take a number as input (num).
  2. Count number of digits in the number (n)
  3. Find Square of the number (sqr).
  4. Extract last n digits from the sqr (last).
  5. If last == num then number is Automorphic else not.

Check Whether a number is an Automorphic Number in C

Output

Automorphic Number in C

Find all Automorphic Numbers in the Interval in C

Output

Automorphic numbers from 1 to 1000 in C

If you have any doubt regarding the program code or explanation then comment below.

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