Remove duplicate characters in a string

Sorting a Stack using push,pop,isEmpty and peek

April 5, 2022 · 7 min ·  Tags List of tags for the post   ctci ·  stack

Implement 3 stacks in 1 array

April 5, 2022 · 4 min ·  Tags List of tags for the post   ctci ·  stack

Count number of bits to be flipped to convert A to B

Determine if a string has all unique characters

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

Remove duplicates from an unsorted linked list keeping only one instance

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

Rotate String Problem

Set all bits of a number in a range equal to another number

April 3, 2022 · 4 min ·  Tags List of tags for the post   ctci ·  bits
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