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Latest posts

LeetCode: Find All Numbers Disappeared in an Array

Aug 3, 2021

Hash table to check existing

LeetCode: Sort Array By Parity

Jul 27, 2021

Filter and concat

LeetCode: Replace Elements with Greatest Element on Right Side

Jul 25, 2021

Backward iteration, create an array of right max

LeetCode: Valid Mountain Array

Jul 25, 2021

Flagging

LeetCode: Check If N and Its Double Exist

Jul 23, 2021

Compare with the iterated elements

LeetCode: Palindrome Number

Jul 22, 2021

Split, reverse, join

LeetCode: Shuffle an Array

Jul 21, 2021

Fisher–Yates shuffle

LeetCode: Find Peak Element

Jul 14, 2021

Divide and conquer

CSSBattle 1.9: Tesseract

Jul 13, 2021

Stack, rotate

CSSBattle 1.7: Leafy Trail

Jul 12, 2021

Center, translate

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