Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2880 | Select Data | Easy | Pandas |
| 2881 | Create a New Column | Easy | Database |
| 2882 | Drop Duplicate Rows | Easy | Database |
| 2883 | Drop Missing Data | Easy | Database |
| 2884 | Modify Columns | Easy | Database |
| 2885 | Rename Columns | Easy | Database |
| 2886 | Change Data Type | Easy | Database |
| 2887 | Fill Missing Data | Easy | Database |
| 2888 | Reshape Data: Concatenate | Easy | Database |
| 2889 | Reshape Data: Pivot | Easy | Database |
| 2890 | Reshape Data: Melt | Easy | Database |
| 2891 | Method Chaining | Easy | Database |
| 2892 | Minimizing Array After Replacing Pairs With Their Product | Medium | ArrayDynamic ProgrammingGreedy |
| 2893 | Apply Operations to Make Two Strings Equal | Medium | StringDynamic Programming |
| 2893 | Calculate Orders Within Each Interval | Medium | Database |
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