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Algorithms

Ugly Number Definition

April 13, 2022 · 1 min ·  Last updated: Jul 31, 2025

Remove duplicate characters in a string

Check if given array is Palindrome OR Not

April 12, 2022 · 1 min ·  Tags List of tags for the post   palindrome ·  two-pointers ·  Last updated: Aug 2, 2025

Expression Tree Definition

April 5, 2022 · 2 min ·  Last updated: Aug 2, 2025

Longest Absolute File Path

Find index k in boolean matrix where kth row has all 0s and kth column has all 1s

Sorting a Stack using push,pop,isEmpty and peek

April 5, 2022 · 7 min ·  Tags List of tags for the post   ctci ·  stack ·  Last updated: Aug 2, 2025

Implement 3 stacks in 1 array

April 5, 2022 · 4 min ·  Tags List of tags for the post   ctci ·  stack ·  Last updated: Aug 2, 2025

Implement insertion sort on stack

April 4, 2022 · 3 min ·  Tags List of tags for the post   stack ·  Last updated: Aug 2, 2025

Order-agnostic Binary Search on Sorted Array

April 4, 2022 · 3 min ·  Tags List of tags for the post   search/binary ·  Last updated: Aug 2, 2025
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