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Hashing

1. Introduction to hashing View Tutorial

2. Hash Tables View Tutorial

3. Hash Functions View Tutorial

4. Hashing Implementation Details View Tutorial

Hash search

Problem	Score	Companies	Time
Colorful Number	150	Epic systems	39:53
Largest Continuous Sequence Zero Sum	200		56:51
2 Sum	300	Amazon	43:12
4 Sum	325	Amazon	55:13
Valid Sudoku	325	Amazon	41:59
Diffk II	375		25:08

Key formation

Problem	Score	Companies	Time
Anagrams	350	Amazon	41:23
Equal	350		60:17
Copy List	450	Amazon	45:28

Hashing two pointer

Problem	Score	Companies	Time	Status
Longest Substring Without Repeat	350	Amazon	43:29
Window String	350	Directi	68:10

Maths and hashing

Problem	Score	Companies	Time	Status
Fraction	450	Amazon	68:57
Points on the Straight Line	450	Amazon InMobi	64:14

Incremental hash

Problem	Score	Companies	Time	Status
Substring Concatenation	1000		62:06