Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 121 | Armstrong Number | Easy | Math |
| 122 | Arrange Table by Gender | Medium | Database |
| 123 | Arranging Coins | Easy | MathBinary Search |
| 124 | Array Nesting | Medium | ArrayDepth-First Search |
| 125 | Array of Doubled Pairs | Medium | ArrayHash TableGreedy |
| 126 | Array of Objects to Matrix | Hard | JavaScript |
| 127 | Array Partition | Easy | ArrayGreedySorting |
| 128 | Array Prototype ForEach | Easy | JavaScript |
| 129 | Array Prototype Last | Easy | JavaScript |
| 130 | Array Reduce Transformation | Easy | JavaScript |
| 131 | Array Transformation | Easy | ArraySimulation |
| 132 | Array Upper Bound | Easy | JavaScript |
| 133 | Array With Elements Not Equal to Average of Neighbors | Medium | ArrayGreedySorting |
| 134 | Array Wrapper | Easy | JavaScript |
| 135 | Article Views I | Easy | Database |
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