Hotel Reservation system such as Oyo, Trivago, Hotels.com etc is a really big project, considering different aspects of System Design. The main challenges included in that is to design HLD of the whole system which … Read More

# Uncategorized

## Leetcode: Edit Distance

Given two words *word1* and *word2*, find the edit distance between word1 and word2 i.e. minimum number of operations required to convert *word1* to *word2*.

You have the following 3 operations permitted on … Read More

## Serialise Deserialise N-ary Tree

Serialise Deserialise N-ary Tree : N-ary tree’s each node contains at-most N children. Serialise the tree means storing the tree in array or file maintaining tree’s exact structure. On the other hand Deserialise the tree … Read More

## Printing intermediate Integers between one element & next element of array

**Problem : Printing intermediate Integers**

User entered numbers are set into array.Intermediate integer of each pair of successive elements to be printed.

**Input :**

Input of 1st line is number of element in array,inputs of … Read More

## Sequence Finder Dynamic Programming

**Sequence Finder**

Given two arrays A and B of equal size, you have to determine whether the following the sequence is possible or not.

## Stickler thief

Stickler thief and wants to loot money from a society of n houses placed in a line. He is a weird person and follows a rule while looting the houses and according to the rule … Read More

## Trapping Rain Water

Trapping Rain Water or Water collected between towers : Given n non-negative integers representing an elevation map where the width of each bar is 1, compute how much water it is able to trap after … Read More

## Best Java Book | Top Java Programming Book for Beginners

## SAP Interview Questions

In SAP Interview, Questions are pretty simple and straight forward, easy to code but they ask you to write proper unit test cases and they check if you have handles all edge cases or not.… Read More