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  1. Prepare
  2. Algorithms
  3. Implementation
  4. Modified Kaprekar Numbers
  5. Discussions

Modified Kaprekar Numbers

  • lokzy
     + 0 comments

    Python3 solution

    def kaprekarNumbers(p, q):
        nums = []
        for i in range(p,q+1):
                d, sq = len(str(i)) ,str(i**2)
                if i ==1 or(len(str(i*i))> d and i == int(sq[-d:])+int(sq[:-d]) and int(sq[d:])!=0):
                        nums.append(i)
        if len(nums) == 0:
                print('INVALID RANGE')
        else:               
                print(*nums, end="")