Determine whether a given binary tree is fully populated, where "fully populated" means that every internal node has exactly two children, and all terminal nodes are at the same depth.
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Different Sorting Algorithms and Big O of each
Given an int array and an int X, find out if two elements sum up to X
Display the first 3 character of a word(string)
Find a convergence point if any in given two linked lists.
Write a function that checks if a number's divisors sum up to that number, i.e. whether it's a perfect number or not.
You are given two buckets. One holds 3 gallons and the other holds 5 gallons. Have do you make 4 gallons of water?
Program to check if a "ransom note", has been taken from a particular news paper article. Which meant you were given two arrays of strings, and you had to check if the first array, could have been constructed from the second set
Longest palindrome in a string.
given binary tree inorder & preorder traversal, return postorder traversal
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