Coding Challenges
Practice problems to sharpen your algorithm skills.
Reverse a Linked List
Data Structures 12,500 solved 15 mins
EasySolve Challenge
LRU Cache Implementation
Algorithms 8,400 solved 45 mins
MediumSolve Challenge
Trapping Rain Water
Dynamic Programming 3,200 solved 60 mins
HardSolve Challenge
Valid Anagram
Strings 15,400 solved 10 mins
EasySolve Challenge
Merge K Sorted Lists
Heaps 2,100 solved 55 mins
HardSolve Challenge