Given a string, write a function that uses recursion to output a list of all the possible permutations of that…
This interview question requires you to reverse a string using recursion. Make sure to think of the base case here.
Given the Stack class below, implement a Queue class using two stacks
Given a string of opening and closing parentheses, check whether it’s balanced. We have 3 types of parentheses: round brackets:…
Given a string,determine if it is compressed of all unique characters. For example, the string 'abcde' has all unique characters…
Given a string in the form 'AAAABBBBCCCCCDDEEEE' compress it to become 'A4B4C5D2E4'. For this problem, you can falsely "compress" strings…
Given an array of integers (positive and negative) find the largest continuous sum.
Consider an array of non-negative integers. A second array is formed by shuffling the elements of the first array and…
Given an integer array, output all the unique pairs that sum up to a specific value k.
Given a string of words, reverse all the words. For example: