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Microsoft Interview Questions

Search element in a matrix with all rows and columns in sorted order

August 27, 2014 by Dhaval Dave

Given a matrix containing unique numbers in which all rows and columns are in sorted order.
And You have to search an element output its location row,column number .
If no such element the just
… Read More

Filed Under: Amazon Interview Question, Flipkart Interview Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: 2d matrix, Binary Search

Implement LRU Cache

August 27, 2014 by Dhaval Dave

Generally Interviewer can ask you simply to implement LRU cache, first explain which data structure you will use and why.
Its well known coding question being asked by all Tech giants like Amazon , Flipkart,
… Read More

Filed Under: Adobe Interview Questions, Amazon Interview Question, Flipkart Interview Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: Array, Hashmap, Linked List, Queue, Stack

Given Set of words or A String find whether chain is possible from these words or not

August 25, 2014 by Dhaval Dave

You are given N strings or N words. You have to find whether a chain can be formed with all the strings given namely n ?
Chain : A chain can be formed between 2
… Read More

Filed Under: Amazon Interview Question, Flipkart Interview Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: Dynamic Programming, string

Sort an array according to the order defined by another array

August 19, 2014 by Dhaval Dave

Sort an array according to the order defined by another array
Given two arrays A1[] and A2[], sort A1 in such a way that the relative order among the elements will be same as those
… Read More

Filed Under: Amazon Interview Question, Interview Questions, Microsoft Interview Questions, problem Tagged With: Array

Get Minimum element in O(1) from input numbers or Stack

August 16, 2014 by Dhaval Dave

Question : Get Minimum element in O(1) from Input Numbers or Stack

– With any traditional way we can’t get minimum element in O(1)
– so we need to come up with different data structure.

… Read More

Filed Under: Adobe Interview Questions, Amazon Interview Question, Flipkart Interview Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: Array, Stack

Add Sub Multiply very large number stored as string

August 10, 2014 by Dhaval Dave

Very large number like 2994320121 and 125346232 is given in character string.
You need to add, subtract and multiply two numbers and store number in character array only.

Logic
1) First way to create a
… Read More

Filed Under: Amazon Interview Question, Interview Questions, Microsoft Interview Questions Tagged With: Mathematical, string

Find and print longest consecutive number sequence in a given sequence in O(n)

August 6, 2014 by Dhaval Dave

Ex: Input: 1 2 5 3 6 8 7
    Output: 5 6 7 8

As given in Above example we need to find Longest Consecutive sequence in O(n)
I have implemented in O(n) considering by

… Read More

Filed Under: Amazon Interview Question, Interview Questions, Microsoft Interview Questions, problem Tagged With: Array

Find min element in Sorted Rotated Array (With Duplicates)

August 4, 2014 by Dhaval Dave

Problem: Find the minimum element in a sorted and rotated array if duplicates are allowed:
Example: { 2, 2, 2, 2, 2, 2, 2, 2, 0, 0, 1, 1, 2}   output: 0
Algorithm:

This problem

… Read More

Filed Under: Amazon Interview Question, Flipkart Interview Questions, Interview Questions, Microsoft Interview Questions Tagged With: Array, Binary Search

Find min element in Sorted Rotated Array (Without Duplicates)

August 4, 2014 by Dhaval Dave

Problem: Find the minimum element in a sorted and rotated array if duplicates not allowed:
Example: {3, 4, 5, 6, 7, 1, 2} output: 1

Algorithm:
This problem can be easily solved in O(n) time

… Read More

Filed Under: Amazon Interview Question, Flipkart Interview Questions, Interview Questions, Microsoft Interview Questions, problem Tagged With: Array, Binary Search

CodeChef Code SGARDEN

August 4, 2014 by Dhaval Dave

This time Sheriff gathered all the bandits in his garden and ordered them to line up. After the whistle all bandits should change the order in which they stand.
Sheriff gave all the bandits numbers
… Read More

Filed Under: Flipkart Interview Questions, Microsoft Interview Questions Tagged With: Array, codechef

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