Discuss an algorithm to traverse a tree, depth first.
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Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.
Write a python program to count the number of vowels in a string?
Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.
How do you set a global variable inside a function?
Write a simple "Hello User" python code snippet.
Write a function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"
Write a function that takes as input a binary tree, and prints out each level of the tree on a newline. For example: a / b c / / d e f will output: a b c d e f
Write a program to reverse a number in python?
Write a program to find sum of the digits of a number in python?
Write a python program to check if a number is an armstrong number?
plz tell me the exam date for clerks in sbi
Given a N by N matrix of both negative and positive integers. Write an efficient algorithm to find the sub-matrix with the largest sum of all the contained elements.