Given an array S of n integers, are there elements a, b, c in S such that a + b + c = 0? Find all unique triplets in the array which gives

Given an array S of n integers, find three integers in S such that the sum is closest to a given number, target.

Given a string A representing JSON object. Return an array of the string denoting JSON object with proper indentation.

Given a string A consisting of lowercase characters. We need to tell minimum characters to be appended (insertion at end) to make the strin

Given a string A representing JSON object. Return an array of the string denoting JSON object with proper indentation. Rules for proper inde

Given two binary strings, return their sum (also a binary string). Example: a = "100" -> 4 in decimal b = "11" -> 3 in decimal Return a +

Given a string A representing a roman numeral. Convert A into an integer. A is guaranteed to be within the range from 1 to 3999.

Given an integer A, convert it to a roman numeral, and return a string corresponding to its roman numeral version.

Given a string A. Return the string A after reversing the string word by word.

Implement strStr(). strstr - locate a substring ( needle ) in a string ( haystack ). Try not to use standard library string functions for