Freecharge Interview ExperienceTop freecharge interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Subarrays with distinct elements50692Maximum possible difference of two subsets of an array49263Remove Minimum Characters so that Two Strings Become Anagrams47864Given an Array of Pairs Find all Symmetric Pairs in it39555Check if a given array contains duplicate elements within k distance from each other38876Count Substrings with equal number of 0s, 1s and 2s33157Sort a String According to Another String31148Check if all Rows of a Matrix are Circular Rotations of Each Other31039Find all pairs (a, b) in an array such that a % b = k288310Print all subarrays with 0 sum280711Insertion in a Binary Tree263912Replace two consecutive equal values with one greater248313Products of ranges in an array241714Convert a String that is Repetition of a Substring of Length K234015Find Largest d in Array such that a + b + c = d229616Moser-de Bruijn Sequence226917Mean of range in array223718K’th Largest element in BST using constant extra space215919Print modified array after multiple array range increment operations198120Print modified array after executing the commands of addition and subtraction188021Maximum Depth Of Binary Tree1838