Determine if a string has all unique characters

Find floor of target element in a sorted array

Find the nearest numbers that have same number of 1s for an integer

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

Implement selection sort on stack

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

List Combinations - Generate unique combinations from list selecting 1 element from each

Longest Substring with K Distinct Characters

Maximum Pairwise Product 1 - Given only Positive Integers

April 3, 2022 · 2 min ·  Tags List of tags for the post   product ·  max-min ·  Last updated: Aug 2, 2025

Remove duplicates from an unsorted linked list keeping only one instance

Replace all spaces in c-style string with '%20'

Rotate String

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