Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1336 | Intersection of Multiple Arrays | Easy | ArrayHash TableSorting |
| 1337 | Intersection of Three Sorted Arrays | Easy | ArrayHash TableBinary Search |
| 1338 | Intersection of Two Arrays | Easy | ArrayHash TableTwo Pointers |
| 1339 | Intersection of Two Arrays II | Easy | ArrayHash TableTwo Pointers |
| 1340 | Interval Cancellation | Easy | JavaScript |
| 1341 | Interval List Intersections | Medium | ArrayTwo PointersLine Sweep |
| 1342 | Intervals Between Identical Elements | Medium | ArrayHash TablePrefix Sum |
| 1343 | Invalid Transactions | Medium | ArrayHash TableString |
| 1344 | Inverse Coin Change | Medium | ArrayDynamic Programming |
| 1345 | Inversion of Object | Easy | Database |
| 1346 | Invert Binary Tree | Easy | TreeDepth-First SearchBreadth-First Search |
| 1347 | Investments in 2016 | Medium | Database |
| 1348 | IP to CIDR | Medium | StringBit Manipulation |
| 1349 | IPO | Hard | ArrayGreedySorting |
| 1350 | Is Array a Preorder of Some Binary Tree | Medium | StackTreeDepth-First Search |
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