Freecharge Interview ExperienceTop freecharge interview questionsS.NoInterview QuestionNumber of times candidates experienced this question in interviews1Subarrays with distinct elements47252Maximum possible difference of two subsets of an array46913Remove Minimum Characters so that Two Strings Become Anagrams45204Given an Array of Pairs Find all Symmetric Pairs in it36585Check if a given array contains duplicate elements within k distance from each other36266Count Substrings with equal number of 0s, 1s and 2s30597Sort a String According to Another String28718Check if all Rows of a Matrix are Circular Rotations of Each Other28449Find all pairs (a, b) in an array such that a % b = k266510Print all subarrays with 0 sum259011Insertion in a Binary Tree237512Replace two consecutive equal values with one greater228313Products of ranges in an array214814Convert a String that is Repetition of a Substring of Length K212315Find Largest d in Array such that a + b + c = d206316Moser-de Bruijn Sequence200217Mean of range in array199118K’th Largest element in BST using constant extra space187819Print modified array after multiple array range increment operations178420Print modified array after executing the commands of addition and subtraction168821Maximum Depth Of Binary Tree1613