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	58:07
First Repeating element	200	DE Shaw	22:04
2 Sum	300	Amazon	49:18
4 Sum	325	Amazon	72:27
Valid Sudoku	325	Amazon	50:45
Diffk II	375		29:06

Key formation

Problem	Score	Companies	Time	Status
Pairs With Given Xor	200	Flipkart	27:31
Anagrams	350	Amazon Goldman Sachs Deloitte	46:36
Equal	350		71:27
Copy List	450	Amazon	56:25

Maths and hashing

Problem	Score	Companies	Time	Status
Check Palindrome!	200	deshaw	19:17
Fraction	450	Amazon	81:56
Points on the Straight Line	450	Amazon InMobi	79:03

Incremental hash

Problem	Score	Companies	Time	Status
An Increment Problem	200	Bloomberg L.P Evie.ai Groupon Shopee	51:16
Subarray with given XOR	200	dunzo	56:12
Two out of Three	200	Booking.com	34:00
Substring Concatenation	1000		71:30

Hashing two pointer

Problem	Score	Companies	Time	Status
Subarray with B odd numbers	200	dunzo	53:15
Window String	350	Directi Flipkart Ola Zenefits	82:25
Longest Substring Without Repeat	350	Amazon	51:12