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dsa-competitive-programming/leetcode/lc9/notes.md
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2026-01-25 12:44:50 +05:30

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An easy problem but with a common pitfall hence a tricky one.
The idea is to only check till half of the number and not full where rev*10 exceeds int's range for larger values
Two pointer method is quite verbose as we check equality from either side using two pointers and return false if there's a mismatch