Level 5

Hashing

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  • 1. Introduction to hashing
  • 2. Hash Tables
  • 3. Hash Functions
  • 4. Implementation Details
Hash search
Problem Score Companies Time Status
Colorful Number 150 35:40
Largest Continuous Sequence Zero Sum 200
53:28
2 Sum 300 37:27
4 Sum 325 50:59
Valid Sudoku 325 35:08
Diffk II 375
22:17
Key formation
Problem Score Companies Time Status
Anagrams 350 36:28
Equal 350
56:43
Copy List 450 39:07
Hashing two pointer
Problem Score Companies Time Status
Longest Substring Without Repeat 350 37:52
Window String 350 68:45
Maths and hashing
Problem Score Companies Time Status
Fraction 450 69:59
Points on the Straight Line 450 62:21
Incremental hash
Problem Score Companies Time Status
Substring Concatenation 1000
60:03
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