Python interview practice
Meta-style Python Interview Questions
Connecting the world through code
Meta-style Python practice. Original teaching exercises; not verified employer interview questions.
Company-style sets are authored learning exercises. The company name describes a practice style and does not imply affiliation or verified interview provenance.
Easy (12)
- Valid ParenthesesRead free
- Binary Tree Inorder Traversal
- Merge Two Sorted Lists
- Remove Duplicates from Sorted Array
- Search Insert Position
- Plus One
- Sqrt(x)
- Add Binary
- Pascal's Triangle
- Valid Palindrome II
- Intersection of Two Arrays
- Reverse Vowels of a String
Medium (12)
- Add Two NumbersRead free
- Longest Palindromic Substring
- Zigzag Conversion
- Reverse Integer
- String to Integer (atoi)
- Integer to Roman
- Roman to Integer
- Validate Binary Search Tree
- Binary Tree Level Order Traversal
- Construct Binary Tree from Preorder and Inorder
- Flatten Binary Tree to Linked List
- Populating Next Right Pointers
Hard (6)
- Binary Tree Maximum Path SumRead free
- Word Ladder
- Word Ladder II
- Longest Consecutive Sequence
- Clone Graph
- Alien Dictionary