All Questions
3 questions
6votes
3answers
370views
Leetcode - First Unique Character in a String
Given a string, find the first non-repeating character in it and return its index. If it doesn't exist, return -1. Examples: ...
- 769
4votes
1answer
929views
Longest Substring Without Repeating Characters in Scala
Question is taken from Leetcode and solution works for their test cases. I do see a scope of improvement and make it more functional (getting rid of vars and mutables data structures). Please suggest ...
- 405
8votes
5answers
3kviews
A custom String Builder implementation
Two code files below : the actual logic & the test logic. Core Logic ...
- 181
