Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1021 | Find COVID Recovery Patients | Medium | Database |
| 1022 | Find Critical and Pseudo-Critical Edges in Minimum Spanning Tree | Hard | Union FindGraphSorting |
| 1023 | Find Cumulative Salary of an Employee | Hard | Database |
| 1024 | Find Customer Referee | Easy | Database |
| 1025 | Find Customers With Positive Revenue this Year | Easy | Database |
| 1026 | Find Cutoff Score for Each School | Medium | Database |
| 1027 | Find Distance in a Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 1028 | Find Duplicate File in System | Medium | ArrayHash TableString |
| 1029 | Find Duplicate Subtrees | Medium | Hash TableTreeDepth-First Search |
| 1030 | Find Edges in Shortest Paths | Hard | Depth-First SearchBreadth-First SearchGraph |
| 1031 | Find Elements in a Contaminated Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 1032 | Find Eventual Safe States | Medium | Depth-First SearchBreadth-First SearchGraph |
| 1033 | Find Expensive Cities | Easy | Database |
| 1034 | Find First and Last Position of Element in Sorted Array | Medium | ArrayBinary Search |
| 1035 | Find First Palindromic String in the Array | Easy | ArrayTwo PointersString |
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