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Tautonymic number counting (Posted on 2022-09-04) Difficulty: 3 of 5
Suppose you want to know how many tautonymic numbers are in the set of integers from 1 to N.
  • Can you provide a formula for this?
  • Otherwise, can you devise an algorithm, as efficient as possible, to find the answer?
  • Are there special values of N for which there is a simple formula?

  Submitted by K Sengupta    
Rating: 5.0000 (1 votes)
Solution: (Hide)
Refer to the solution submitted by Charlie in this location.

Comments: ( You must be logged in to post comments.)
  Subject Author Date
No SubjectArjun2023-07-19 02:27:02
Solutionsolution (parts 2 and 3)Charlie2022-09-04 10:04:04
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