Coding Challenges

Bracket Validator

Write an efficient function that tells us whether or not an input string's openers and closers are properly nested.

Bracket Validator

Count Vowels

Function that'll return an integer of the number of vowels found in a string.

Count Vowels

Draw Diamond

The purpose of this coding challenge is to draw an empty diamond figure (only the outline) into textarea field, using star character (*).

Draw Diamond

Sliding Window Maximum

This is an interview question asked by Google Given an array of integers and a number k, where 1 <= k <=length of the array, compute the maximum values of each subarray of length k.

Sliding Window Maximum