Day 13EasyTakeUForwardRelated practice

Check Palindrome and Armstrong Number

Digit Reversal and Power SummationSolved Nov 10, 2025

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Problem

Problem Description

The task is to check two properties related to a number's digits:

Check Palindrome: Determine if a number is the same when its digits are reversed (e.g., 121).
Armstrong Number: Determine if a number equals the sum of its digits, each raised to the power of the total number of digits.

Solve it yourself before you look

Reading the solution first feels like progress, but it makes the next similar problem — and the interview version — much harder, because you skipped the part where you figure it out. Give it an honest 20–30 minutes. Stuck? Re-read the pattern, watch the concept video, or try the brute force first.

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Problem Description

Solve it yourself before you look

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