Implement a function to validate whether a given binary tree is a BST (i.e. write an isBST() function).
Software Developer I Interview Questions
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You have a 64bit interger counter set to 0. How long it will take to overflow the counter given that you are incrementing it at 4Ghz speed.
Given an unsorted array of integers, find first two numbers in the array that equal a given sum.
Interviewer ask me to solve some permutation related problems. 1) Algorithm to get Index of a permutation when all permutations arranged in lexicographical order and its complexity
integer partiontioing given N (a integer) how many ways you can write as N summation of other numbers 5 = 1+ 2 +2 = 2+ 2 + 1 = 1 + 3 +1 = 1 + 4 etc.. write C code to print every combination
Given an array, print the largest subarray that has elements in an increasing order
Implement the "see and tell" algorithm with a given seed number x and a number of iterations y. Output the result on iteration y
Given a sorted array, write a program to decide if two elements sum up to a third.
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