Annamaliakal/interview-preparation-kit

Interview preparation kit of hackerrank solutions

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
	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
	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
Search
	Minimum Time Required	Done		Done
	Pairs	Done		Done
	Triple Sum	Done		Done
	Maximum Subarray Sum	Done		Done
	Hash Tables: Ice Cream Parlor	Done
	Swap Nodes [Algo]			Done
	Making Candies			Done
Dynamic Programming
	Max Sum Array		Done	Done
	Candies			Done
Stacks and Queues
	Balanced Brackets			Done
	Queues: A Tale of Two Stacks			Done
	Largest Rectangle			Done
	Min Max Middle			Done
	Castle on the Grid			Done
	Poisonous Plants			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
	Binary Search Tree: Lowest Common Ancestor		Done	Done
	Tree: Is This a Binary Search Tree?			Done
	Tree: Huffman Decoding			Done
Linked List
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
	Time Complexity: Primality	Done	Done	Done
	Friend Circle Queries			Done
	Maximum Xor			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.