Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 856 | Score of Parentheses | Medium | StringStack |
| 857 | Minimum Cost to Hire K Workers | Hard | ArrayGreedySorting |
| 858 | Mirror Reflection | Medium | MathGeometryNumber Theory |
| 859 | Buddy Strings | Easy | Hash TableString |
| 860 | All Nodes Distance K in Binary Tree | Medium | Hash TableTreeDepth-First Search |
| 860 | Lemonade Change | Easy | ArrayGreedy |
| 861 | Score After Flipping Matrix | Medium | ArrayGreedyBit Manipulation |
| 862 | Shortest Subarray with Sum at Least K | Hard | ArrayBinary SearchQueue |
| 862 | Smallest Subtree with all the Deepest Nodes | Medium | Hash TableTreeDepth-First Search |
| 864 | Shortest Path to Get All Keys | Hard | ArrayBit ManipulationBreadth-First Search |
| 866 | Prime Palindrome | Medium | MathNumber Theory |
| 867 | Transpose Matrix | Easy | ArrayMatrixSimulation |
| 868 | Binary Gap | Easy | Bit Manipulation |
| 868 | Minimum Number of Refueling Stops | Hard | ArrayDynamic ProgrammingGreedy |
| 869 | Reordered Power of 2 | Medium | Hash TableMathSorting |
Powerful online tools to boost your productivity
Coding Ground For Developers
Code, Edit, Run and ShareIgnite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.
