Internship← All free certificatesFree learning path Final step
Coding Interview Prep (LeetCode)
10 short modules. Each one: a simple lesson, two quick games and a 8-question quiz for its own free certificate. Finish them all, then take the full Coding Interview Prep (LeetCode) certificate.
0 of 10 module certificates
- How coding interviews workCoding rounds test problem solving, code quality and communication.0/4
- Problem-solving frameworkA repeatable method: understand, plan, code, test, optimise.0/4
- Arrays and two pointersTwo pointers move through an array to avoid nested loops.0/4
- HashingHash maps and sets give fast lookups to remove inner loops.0/4
- Sliding windowA window moves across the data to track a range efficiently.0/4
- Stacks, queues and binary searchStacks handle nesting; binary search halves the search space.0/4
- Linked lists and treesPointer problems and recursive tree traversals.0/4
- Graphs: BFS and DFSGraphs model connections; BFS and DFS explore them.0/4
- Dynamic programmingDP solves problems by combining answers to smaller overlapping subproblems.0/4
- Mock interviews and strategyPut it together: plan your practice and perform under time.0/4
🏆 Full Coding Interview Prep (LeetCode) certificate
20 questions from basic to advanced, 60% to pass. Best taken after the modules.