Hashing

Hashing Problems

Hash search

Problem	Score	Companies	Time	Status
Colorful Number	150	Epic systems	44:55
Largest Continuous Sequence Zero Sum	200		68:44
Longest Subarray Length	200	DE Shaw	53:50
First Repeating element	200	DE Shaw	21:11
2 Sum	300	Amazon	49:18
4 Sum	325	Amazon	71:57
Valid Sudoku	325	Amazon	50:22
Diffk II	375		29:05

Key formation

Problem	Score	Companies	Time	Status
Pairs With Given Xor	200	Flipkart	26:18
Anagrams	350	Amazon Goldman Sachs Deloitte	46:36
Equal	350		71:01
Copy List	450	Amazon	55:56

Maths and hashing

Problem	Score	Companies	Time	Status
Check Palindrome!	200	deshaw	17:48
Fraction	450	Amazon	81:29
Points on the Straight Line	450	Amazon InMobi	78:01

Incremental hash

Problem	Score	Companies	Time	Status
An Increment Problem	200	Bloomberg L.P Evie.ai Groupon Shopee	48:29
Subarray with given XOR	200	dunzo	53:10
Two out of Three	200	Booking.com	32:56
Substring Concatenation	1000		71:11

Hashing two pointer

Problem	Score	Companies	Time	Status
Subarray with B odd numbers	200	dunzo	49:52
Window String	350	Directi Flipkart Ola Zenefits	81:37
Longest Substring Without Repeat	350	Amazon	51:12