Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1395 | Count Number of Teams | Medium | ArrayDynamic ProgrammingBinary Indexed Tree |
| 1396 | Design Underground System | Medium | Hash TableStringDesign |
| 1397 | Find All Good Strings | Hard | StringDynamic ProgrammingString Matching |
| 1398 | Customers Who Bought Products A and B but Not C | Medium | Database |
| 1399 | Count Largest Group | Easy | Hash TableMath |
| 1400 | Construct K Palindrome Strings | Medium | Hash TableStringGreedy |
| 1401 | Circle and Rectangle Overlapping | Hard | MathGeometry |
| 1402 | Reducing Dishes | Easy | ArrayDynamic ProgrammingGreedy |
| 1403 | Minimum Subsequence in Non-Increasing Order | Easy | ArrayGreedySorting |
| 1404 | Number of Steps to Reduce a Number in Binary Representation to One | Medium | StringBit ManipulationSimulation |
| 1405 | Longest Happy String | Medium | StringGreedyHeap (Priority Queue) |
| 1406 | Stone Game III | Hard | ArrayMathDynamic Programming |
| 1407 | Top Travellers | Easy | Database |
| 1408 | String Matching in an Array | Easy | ArrayStringString Matching |
| 1409 | Queries on a Permutation With Key | Medium | ArrayBinary Indexed TreeSimulation |
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