刷题之旅 | Hashing

• Colorful Number
• 2 Sum
• Valid Soduku
• 4 Sum
• Diffk II
• Largest Continuous Sequence Zero Sum
• Anagrams
• Copy List
• Equal
• Longest Substring Without Repeat
• Substring Concatenation
• Window String
• Fraction
• Points on the Straight Line
• Longest Consecutive Sequence

• 49 Group Anagrams
• 380 Insert Delete GetRandom O(1)
• 953 Verifying an Alien Dictionary
• 706 Design HashMap
• 811 Subdomain Visit Count
• 609 Find Duplicate File in System
• 387 First Unique Character in a String
• 359 Logger Rate Limiter
• 835 Image Overlap
• 957 Prison Cells After N Days
• 966 Vowel Spellchecker
• 554 Brick Wall
• 916 Word Subsets
• 1386 Cinema Seat Allocation
• 804 Unique Morse Code Words
• 454 4Sum II
• 1124 Longest Well-Performing Interval
• 1577 Number of Ways Where Square of Number Is Equal to Product of Two Numbers
• 599 Minimum Index Sum of Two Lists
• 890 Find and Replace Pattern
• 1224 Maximum Equal Frequency
• 1165 Single-Row Keyboard
• 1170 Compare Strings by Frequency of the Smallest Character
• 1041 Robot Bounded In Circle
• 1590 Make Sum Divisible by P
• 1540 Can Convert String in K Moves
• 982 Triples with Bitwise AND Equal To Zero
• 1679 Max Number of K-Sum Pairs
• 1684 Count the Number of Consistent Strings
• 1001 Grid Illumination
• 710 Random Pick with Blacklist
• 974 Subarray Sums Divisible by K
• 532 K-diff Pairs in an Array
• 1726 Tuple with Same Product