Practice problems across 75+ categories
Practice problems frequently asked at Meta • 2900 problems | 652 Easy | 1528 Medium | 703 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1171 | Is Object Empty | Easy | JavaScript |
| 1172 | Is Subsequence | Easy | Two PointersStringDynamic Programming |
| 1173 | Island Perimeter | Easy | ArrayDepth-First SearchBreadth-First Search |
| 1174 | Isomorphic Strings | Easy | Hash TableString |
| 1175 | Jewels and Stones | Easy | Hash TableString |
| 1176 | Join Two Arrays by ID | Medium | JavaScript |
| 1177 | Jump Game | Medium | ArrayDynamic ProgrammingGreedy |
| 1178 | Jump Game II | Medium | ArrayDynamic ProgrammingGreedy |
| 1179 | Jump Game III | Medium | ArrayDepth-First SearchBreadth-First Search |
| 1180 | Jump Game IV | Hard | ArrayHash TableBreadth-First Search |
| 1181 | Jump Game V | Hard | ArrayDynamic ProgrammingSorting |
| 1182 | Jump Game VI | Medium | ArrayDynamic ProgrammingQueue |
| 1183 | Jump Game VII | Medium | StringDynamic ProgrammingSliding Window |
| 1184 | Jump Game VIII | Medium | ArrayDynamic ProgrammingStack |
| 1185 | K Closest Points to Origin | Medium | ArrayMathDivide and Conquer |
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