Interactive LeetCode walkthroughs
Watch the algorithm think.
Every solution is an execution-synced walkthrough: the data structure, the code, the variables, and the why of each step — all moving together under your control.
- problems
- 13 problems
- patterns
- 9 patterns
Problems
- #1Two SumEasyHashmap
- MediumSliding window
- EasyStack
- MediumTwo pointers
- #224Basic CalculatorHardStack
- MediumStack
- #322Coin ChangeMediumDynamic programming
- EasyMonotonic stack
- MediumPrefix sum + hashmap
- MediumStack
- EasyGeometry
- #1436Destination CityEasyHashmap
- MediumSimulation