10+ DSI and Co. Interview Questions and Answers

You have given a Singly Linked List of integers, determine if it forms a cycle or not.

A cycle occurs when a node's next points back to a previous node in the list. The li...read more

Write a program to count and print the total number of characters (lowercase english alphabets only), digits (0 to 9) and white spaces (single space, tab i.e. '\t' and newline i.e. '\n') entered...read more

You are given a square matrix, return true if the matrix is symmetric otherwise return false.

A symmetric matrix is that matrix whose transpose is equal to the matrix itself.

Example of symme...read more

You are given a N x M matrix of integers, return the spiral path of the matrix

Example Of Spiral Path

Input Format:

The first line contains an integer 'T' which denotes the number of test cases or...read more

You are given a Singly Linked List of integers. Sort the Linked List using merge sort.

Merge Sort is a Divide and Conquer algorithm. It divides the input into two halves, calls itself for ...read more

You have been given the Inorder Traversal and Level Order Traversal of a Binary Tree of integers. Your task is to calculate the height of the Binary tree without constructing it.

The he...read more

how many stacks are needed to implement a queue

Which of the following is NOT a valid deadlock prevention scheme?
(a) Release all resources before requesting a new resource
(b) Number the resources un...read more

A program using most of the OOPs Concepts.

find the second highest salary in sql.

Write an SQL query to fetch all the Employees who are also managers from the EmployeeDetails table.

Write an SQL...read more