Level 5

Hashing

TUTORIALS

1. Introduction To Hashing

2. Hash Tables

3. Hash Functions

4. Hashing Implementation Details

Hashing Problems

Hash search

Problem	Score	Companies	Time	Status
Colorful Number	150	Epic systems	40:59
Largest Continuous Sequence Zero Sum	200		59:08
2 Sum	300	Amazon	45:06
4 Sum	325	Amazon	57:29
Valid Sudoku	325	Amazon	43:20
Diffk II	375		26:24

Key formation

Problem	Score	Companies	Time	Status
Anagrams	350	Amazon	42:31
Equal	350		62:35
Copy List	450	Amazon	47:17

Hashing two pointer

Problem	Score	Companies	Time	Status
Longest Substring Without Repeat	350	Amazon	45:27
Window String	350	Directi	68:33

Maths and hashing

Problem	Score	Companies	Time	Status
Fraction	450	Amazon	69:10
Points on the Straight Line	450	Amazon InMobi	64:32

Incremental hash

Problem	Score	Companies	Time	Status
Substring Concatenation	1000		63:58