10+ IG Infotech India Interview Questions and Answers

You are given a positive number ‘N.’ You need to find all the numbers such that the sum of digits of those numbers to the number itself is equal to ‘N.’

For example:

You are given ‘N’ as 21, th...read more

You have been given an array/list 'PREORDER' representing the preorder traversal of a BST with 'N' nodes. All the elements in the given array have distinct values.

Your task is to const...read more

Given a string of integers ‘bin’. Return 'true' if the string represents a valid binary number, else return 'false'. A binary number is a number that has only 0 or 1 in it.

Input Format...read more

You are given an array/list 'NUM' of integers. You are supposed to rearrange the elements of the given 'NUM' so that after rearranging the given array/list there are no two adjacent elements ...read more

You are given a string 'STR'. The string contains [a-z] [A-Z] [0-9] [special characters]. You have to find the reverse of the string.

For example:

 If the given string is: STR = "abcde". You hav...read more

You have 10 coins one of them is defective. You have a weight scale. How will you identify the defective coin?

How to find the pre order traversal of a tree?
State complexity of merge sort
Questions based on radix sort

What will be the result when we will add two binary numbers in 64Bit and 32 Bit operating system?

There were 5 statements code snippets in python. I was told to write that in Java.