Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1321 | Inorder Successor in BST | Medium | TreeDepth-First SearchBinary Search Tree |
| 1322 | Inorder Successor in BST II | Medium | TreeBinary Search TreeBinary Tree |
| 1323 | Insert Delete GetRandom O(1) | Medium | ArrayHash TableMath |
| 1324 | Insert Delete GetRandom O(1) - Duplicates allowed | Hard | ArrayHash TableMath |
| 1325 | Insert Greatest Common Divisors in Linked List | Medium | Linked ListMathNumber Theory |
| 1326 | Insert Interval | Medium | Array |
| 1327 | Insert into a Binary Search Tree | Medium | TreeBinary Search TreeBinary Tree |
| 1328 | Insert into a Sorted Circular Linked List | Medium | Linked List |
| 1329 | Insertion Sort List | Medium | Linked ListSorting |
| 1330 | Insufficient Nodes in Root to Leaf Paths | Medium | TreeDepth-First SearchBinary Tree |
| 1331 | Integer Break | Medium | MathDynamic Programming |
| 1332 | Integer Replacement | Medium | Dynamic ProgrammingGreedyBit Manipulation |
| 1333 | Integer to English Words | Hard | MathStringRecursion |
| 1334 | Integer to Roman | Medium | Hash TableMathString |
| 1335 | Interleaving String | Medium | StringDynamic Programming |
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