Freecharge Interview ExperienceTop freecharge interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Subarrays with distinct elements49022Maximum possible difference of two subsets of an array48113Remove Minimum Characters so that Two Strings Become Anagrams46614Given an Array of Pairs Find all Symmetric Pairs in it38225Check if a given array contains duplicate elements within k distance from each other37766Count Substrings with equal number of 0s, 1s and 2s31817Sort a String According to Another String30188Check if all Rows of a Matrix are Circular Rotations of Each Other29879Find all pairs (a, b) in an array such that a % b = k276710Print all subarrays with 0 sum270911Insertion in a Binary Tree252912Replace two consecutive equal values with one greater238813Products of ranges in an array229814Convert a String that is Repetition of a Substring of Length K223015Find Largest d in Array such that a + b + c = d219216Moser-de Bruijn Sequence213717Mean of range in array212918K’th Largest element in BST using constant extra space204519Print modified array after multiple array range increment operations188220Print modified array after executing the commands of addition and subtraction180221Maximum Depth Of Binary Tree1734