Code challenges
Classic interview and practice problems, solved in two languages and typed out on an 8-bit machine. The video is on YouTube; the code is here, to copy and run.
Interview challenge
- Add Two Numbersmedium · python + c
- Word Breakmedium · python + c
- Course Schedulemedium · python + c
- Lowest Common Ancestor of a Binary Treemedium · python + c
- Validate Binary Search Treemedium · python + c
- Binary Tree Level Order Traversalmedium · python + c
- Coin Changemedium · python + c
- Top K Frequent Elementsmedium · python + c
- Group Anagramsmedium · python + c
- 3Summedium · python + c
- Longest Palindromic Substringmedium · python + c
- Merge Intervalsmedium · python + c
- Search in Rotated Sorted Arraymedium · python + c
- Number of Islandsmedium · python + c
- Product of Array Except Selfmedium · python + c
- Longest Substring Without Repeating Charactersmedium · python + c
- Container With Most Watermedium · python + c
- Invert Binary Treeeasy · python + c
- Maximum Depth of Binary Treeeasy · python + c
- Linked List Cycleeasy · python + c
- Maximum Subarraymedium · python + c
- Merge Two Sorted Listseasy · python + c
- Valid Palindromeeasy · python + c
- Reverse Linked Listeasy · python + c
- Climbing Stairseasy · python + c
- Contains Duplicateeasy · python + c
- Valid Anagrameasy · python + c
- Best Time to Buy and Sell Stockeasy · python + c
- Valid Parentheseseasy · python + c
- Two Sumeasy · python + c