My solutions to coding interview questions on AlgoExpert
๐ข Easy
๐ต Medium
๐ด Hard
โซ๏ธ Very Hard
Question | Difficulty | Category | Approach | Good to review |
---|---|---|---|---|
Two Number Sum | ๐ข | Arrays | Hash Table, Two Pointers | |
Validate Subsequence | ๐ข | Arrays | Two Pointers | |
Three Number Sum | ๐ต | Arrays | Two Pointers | |
Sorted Squared Array | ๐ข | Arrays | Two Pointers | โ |
Tournament Winner | ๐ข | Arrays | Hash Table | |
Non-Constructible Change | ๐ข | Arrays | โ | |
Find Closest Value In BST | ๐ข | Binary Search Trees | ||
Smallest Difference | ๐ต | Arrays | Two Pointers | โ |
Branch Sums | ๐ข | Binary Trees | Depth-First Search | |
Node Depths | ๐ข | Binary Trees | Depth-First Search | |
Depth-first Search | ๐ข | Graphs | ||
Minimum Waiting Time | ๐ข | Arrays | Greedy Algorithm | |
Class Photos | ๐ข | Arrays | Greedy Algorithm | |
Tandem Bicycle | ๐ข | Arrays | Greedy Algorithm | |
Remove Duplicates From Linked List | ๐ข | Linked Lists | ||
Nth Fibonacci | ๐ข | |||
Product Sum | ๐ข | Arrays | ||
Binary Search | ๐ข | Searching Algorithms | ||
Find Three Largest Numbers | ๐ข | Arrays | ||
Bubble Sort | ๐ข | Sorting Algorithms | ||
Insertion Sort | ๐ข | Sorting Algorithms | ||
Selection Sort | ๐ข | Sorting Algorithms | ||
Palindrome Check | ๐ข | Strings | Two Pointers | |
Cesar Cipher Encryptor | ๐ข | Strings | ||
Run-Length Encoding | ๐ข | Strings |