interview-preparation-kit

Solutions to all the problems of Interview Preparation Kit on HackerRank in C++, Java and Python.

Question solved

Topic	Question	CPP	JAVA	Python
Warm Up Challenges
	Sock Merchant	Done	Done	Done
	Counting Valleys	Done	Done	Done
	Jumping on the Clouds	Done	Done	Done
	Repeated Strings	Done	Done	Done
Arrays
	Arrays: Left Rotation	Done	Done	Done
	New Year Chaos	Done	Done	Done
	2D Arrays	Done	Done	Done
	Minimum Swaps 2	Done	Done	Done
	Array Manipulation	Done	Done	Done
Dictionaries and Hashmaps
	Ransom Note	Done	Done	Done
	Two Strings	Done	Done	Done
	Frequency Queries	Done		Done
	Sherlock and Anagrams	Done	Done	Done
	Count Triplets	Done		Done
Sorting
	Bubble Sort	Done	Done	Done
	Mark and Toys	Done	Done	Done
	Comparator	Done	Done	Done
	Fraudulent Activity Notifications	Done	Done	Done
	Counting Inversions - Merge Sort	Done	Done	Done
String Manipulation
	Making Anagrams	Done		Done
	Sherlock and Valid String	Done		Done
	Special String Again	Done		Done
	Common Child	Done		Done
	Alternating Characters	Done		Done
Greedy Algorithms
	Luck Balance	Done		Done
	Minimum Absolute Difference in an Array	Done		Done
	Greedy Florist	Done		Done
	Max Min	Done		Done
	Reverse Shuffle Merge	Done		Done
Search
	Minimum Time Required	Done		Done
	Pairs	Done		Done
	Triple Sum	Done		Done
	Maximum Subarray Sum	Done		Done
	Hash Tables: Ice Cream Parlor	Done		Done
	Swap Nodes [Algo]			Done
	Making Candies	Done		Done
Dynamic Programming
	Max Sum Array	Done	Done	Done
	Candies	Done		Done
	Abbreviation	Done		Done
	Decibinary Numbers	Done		Done
Stacks and Queues
	Balanced Brackets	Done		Done
	Queues: A Tale of Two Stacks	Done		Done
	Largest Rectangle	Done		Done
	Min Max Middle	Done		Done
	Castle on the Grid	Done		Done
	Poisonous Plants	Done		Done
Graphs
	Roads and Libraries			Done
	Find the nearest clone			Done
	BFS: Shortest Reach in a Graph			Done
	DFS: Connected Cell in a Grid	Done		Done
Trees
	Tree: Height of a Binary Tree	Done	Done	Done
	Binary Search Tree: Lowest Common Ancestor	Done	Done	Done
	Tree: Is This a Binary Search Tree?	Done		Done
	Tree: Huffman Decoding	Done		Done
	Balanced Forest			Done
Linked List
	Insert a node at a specific position in a linked list	Done		Done
	Reverse a doubly linked list	Done		Done
	Find Merge Points of Two lists	Done		Done
	Linked Lists: Detect a cycle	Done		Done
Recursion and Backtracking
	Fibonacci Numbers	Done		Done
	Davis' Staircase	Done		Done
	Crossword Puzzle	Done		Done
	Recursive Digit Sum	Done		Done
Miscellaneous
	Flipping Bits	Done	Done	Done
	Time Complexity: Primality	Done	Done	Done
	Friend Circle Queries	Done		Done
	Maximum Xor	Done		Done

Communication channel

https://gitter.im/interview-prep-comm/community

Contribution Guidelines

https://www.hackerrank.com/interview/interview-preparation-kit
Go to this link and solve the problems in java and c++ put code in corresponding folder. Please update the readme with the completed question's link in the appropriate format, and then add the section completed's link in the master repo.

gaursakshi / interview-preparation-kit Goto Github PK

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