Hash TableΒΆ
How To: Hash Table
Two sum- 1. Brute Force [O(N^2), O(1)]
- Valid sudoku
- Two sum III - Data structure design
- Happy number
- Count primes
- Isomorphic strings
- Contains duplicate
- Contains duplicate II
- Strobogrammatic number
- Group shifted strings
- Palindrome permutation
- Unique word abbreviation
- Word pattern [Isomorphic Strings]
- Bulls and cows
- First unique character in a string
- Longest palindrome
- Find all anagrams in a string
- Number of boomerangs
- K-diff pairs in an array
- Array partition I
- Distribute candies
- Longest harmonious subsequence
- Minimum index sum of two lists
- Sentence similarity
- Shortest completing word
- Find anagram mappings
- Jewels and stones
- Subdomain visit count
- Largest unique number
- Find words that can be formed by characters
- Single-row keyboard
- Unique number of occurrences