Freecharge Interview ExperienceTop freecharge interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Subarrays with distinct elements49732Maximum possible difference of two subsets of an array48503Remove Minimum Characters so that Two Strings Become Anagrams47124Given an Array of Pairs Find all Symmetric Pairs in it38795Check if a given array contains duplicate elements within k distance from each other38266Count Substrings with equal number of 0s, 1s and 2s32457Sort a String According to Another String30498Check if all Rows of a Matrix are Circular Rotations of Each Other30279Find all pairs (a, b) in an array such that a % b = k281510Print all subarrays with 0 sum274311Insertion in a Binary Tree258112Replace two consecutive equal values with one greater242313Products of ranges in an array234514Convert a String that is Repetition of a Substring of Length K226615Find Largest d in Array such that a + b + c = d223016Moser-de Bruijn Sequence219417Mean of range in array216618K’th Largest element in BST using constant extra space208819Print modified array after multiple array range increment operations191620Print modified array after executing the commands of addition and subtraction182421Maximum Depth Of Binary Tree1772