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Determine whether a string can become a palindrome by deleting at most one character: use a two-pointer scan from both ends and allow a single mismatch where you skip either the left or right character.
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Leetcode 680. Valid Palindrome II
Reported Apr 20, 2026 · 59 source reports
JUNIOR, MANAGER, MID_LEVEL, PRINCIPAL, SENIOR, STAFF
Source snapshot: Nov 12, 2026
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Leetcode 680. Valid Palindrome II
Reported Nov 16, 2025 · 1 source report
MID_LEVEL
Source snapshot: Nov 12, 2026
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