Category: Intermediate

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Find Whether Two Strings are Permutation of each other

Objective: Given Two Strings, check whether one string is permutation of other Input: Two Strings Output: True or false based on whether strings are permutation of other or not. Example: “sumit” and “tiums” are...

1

Find Intersection Point in Two Linked List

Objective: Given Two linked list, check whether both list intersect each other, if yes then find the starting node of the intersection. Intersection point means end of one linked list is linked with some...

3

Find the Loop in a Linked list, find its length and Break the Loop

Objective: In a given linked list, check whether it contains the loop in it, if yes then find the Loop length and break the loop. Loop in a linked list means the last node...

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Count All Paths from Top left to bottom right in Two Dimensional Array including Diagonal Paths

Objective: Count all the paths from left top corner to right bottom corner in two dimensional array. Input: Two Dimensional array Output: No of paths. Approach : 1. Recursive Recursive solution to this problem...

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Print All Paths from Top left to bottom right in Two Dimensional Array

Objective: Print all the paths from left top corner to right bottom corner in two dimensional array. Input: Two Dimensional array Output: Print all the paths. Note: At the End of the article you...

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Merge or Combine Two Sorted Linked Lists

Objective: Given two sorted linked lists, objective is to merge both the lists in sorted order. Input: Two sorted linked list List a, List b. Example: List a : ->2->6->18 Listb: ->1->3->17->19 Merged List:...

3

Print All Elements of Two Dimensional Array in Spiral

Objective: This question was asked in Amazon interview for the Software development Engineer position, Write an algorithm to print all the elements of two dimensional array in spiral. Example : Input: Two dimensional array...

3

Valid or Well Formed Parentheses | Part – 1

Objective: You have been asked to Write an algorithm to find Whether Given the Sequence of parentheses are well formed. This question was asked in the Amazon Interview. Input: A String contains a sequence...

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Find an Element in 2 dimensional sorted array

Objective : Write an algorithm to find an Element in 2 dimensional array where rows and columns are sorted respectively. Input: A two dimensional sorted array, arrA[][].   Output : True or false based...

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Merge Sort – Updated – Most Efficient ways to Implement

Objective : Write Merge Sort algorithm to sort elements in an array Input: A unsorted array, arrA[]. Output : A sorted array. Approach: Divide and Conquer: In this approach we divide the main problems...

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