Freecharge Interview ExperienceTop freecharge interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Maximum possible difference of two subsets of an array36992Remove Minimum Characters so that Two Strings Become Anagrams36493Subarrays with distinct elements35454Check if a given array contains duplicate elements within k distance from each other29165Given an Array of Pairs Find all Symmetric Pairs in it27946Check if all Rows of a Matrix are Circular Rotations of Each Other23367Count Substrings with equal number of 0s, 1s and 2s23038Sort a String According to Another String22359Find all pairs (a, b) in an array such that a % b = k207410Print all subarrays with 0 sum202311Insertion in a Binary Tree174512Products of ranges in an array164513Replace two consecutive equal values with one greater162414Convert a String that is Repetition of a Substring of Length K161315Mean of range in array146816Find Largest d in Array such that a + b + c = d146017Moser-de Bruijn Sequence142318K’th Largest element in BST using constant extra space136119Print modified array after multiple array range increment operations130120Print modified array after executing the commands of addition and subtraction122421Maximum Depth Of Binary Tree1146