Solutions are coded in PHP & Python

All solutions have passed all test cases on HackerRank unless specified

Cracking the Coding Interview

Topic	Challenge	Points	Note
Data Structures	Array: Left Rotation	20
Data Structures	Hash Tables: Ransom Note	25	A minor bug is found in PHP solution tester, which will lead to failure in test Case 16 & 17. Modify tester from magazine_temp = fgets($handle) to $magazine_temp = rtrim(fgets($handle))
Data Structures	Linked List: Detect a Cycle	25
Data Structures	Trees: Is This a Binary Search Tree	30
Data Structures	String: Making Anagrams	25
Data Structures	Tries: Contacts	50