Hashing

Hashing Problems

Hash search

Problem	Score	Companies	Time	Status
Colorful Number	150	Epic systems	44:55
Largest Continuous Sequence Zero Sum	200		68:45
Longest Subarray Length	200	DE Shaw	57:32
First Repeating element	200	DE Shaw	21:53
2 Sum	300	Amazon	49:18
4 Sum	325	Amazon	72:27
Valid Sudoku	325	Amazon	50:42
Diffk II	375		29:06

Key formation

Problem	Score	Companies	Time	Status
Pairs With Given Xor	200	Flipkart	27:21
Anagrams	350	Amazon Goldman Sachs Deloitte	46:36
Equal	350		71:23
Copy List	450	Amazon	56:19

Maths and hashing

Problem	Score	Companies	Time	Status
Check Palindrome!	200	deshaw	19:01
Fraction	450	Amazon	81:54
Points on the Straight Line	450	Amazon InMobi	78:55

Incremental hash

Problem	Score	Companies	Time	Status
An Increment Problem	200	Bloomberg L.P Evie.ai Groupon Shopee	50:51
Subarray with given XOR	200	dunzo	56:12
Two out of Three	200	Booking.com	33:54
Substring Concatenation	1000		71:28

Hashing two pointer

Problem	Score	Companies	Time	Status
Subarray with B odd numbers	200	dunzo	52:50
Window String	350	Directi Flipkart Ola Zenefits	82:18
Longest Substring Without Repeat	350	Amazon	51:12