Given a string s containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid. An input string is valid if: Open brackets must be closed by the same type of brackets. Open brackets must be closed in the correct order. Every close bracket has a corresponding open bracket of the same type.
First interviewer's basic algorithmic question - Given a string, return the first characters that does not appear twice.
describe a failure in your formal experience.
build a project with certain guidelines
On the HR interview: How you debug ur code?
Given a certain number of closed intervals over the real number line R, determine how many of these include the number X
Leetcode pirates and thieves question
Merge K sorted list
one : Validating Strings with RegEx
Phone interview: find k minimum elements in an array. Interview no. 1: 1. tell me about a complex project. 2. implement malloc and free Interview no. 2: 1. tell me about some time that you have to handle a very difficult situation that you really didn't understand. 2. tasks with dependencies, sort the elements from the first task to the end task (topological sort)
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