Blackrock
Hitachi Hi-Rel Power Electronics Interview Questions and Answers
Q1. Greatest Common Divisor Problem Statement
You are tasked with finding the greatest common divisor (GCD) of two given numbers 'X' and 'Y'. The GCD is defined as the largest integer that divides both of the given...read more
Q2. Ninja And The Triangle Problem Statement
Ninja is provided with 'N' stars and the task is to construct a triangle such that the 'i'th level of the triangle uses 'i' number of stars. The goal is to make the tria...read more
Q3. Shortest Distance in a Binary Search Tree
Your task is to determine the shortest distance between two nodes with given keys in a Binary Search Tree (BST).
It is assured that both keys exist within the BST.
Inpu...read more
Q4. Bridge in Graph Problem Statement
Given an undirected graph with V vertices and E edges, your task is to find all the bridges in this graph. A bridge is an edge that, when removed, increases the number of conne...read more
Q5. Binary to Decimal Conversion
Convert a given binary number, represented as a string 'S' of size 'N', into its decimal equivalent integer and output it.
Input:
The first line contains an integer 'T', denoting th...read more
Q6. Validate Binary Search Tree Problem Statement
Your task is to determine if a given binary tree with 'N' nodes is a valid Binary Search Tree (BST). A BST is defined by the following properties:
- The left subtree...read more
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