Tame the Tricky Edge Cases
Handle empty, boundary, and overflow inputs.
Edge Cases Decide Verdicts
Simulations pass the samples but fail hidden tests on the edges. Most wrong-answer pain hides in the inputs you forgot. 🧐
The Empty Input
Always ask what happens when N is zero or the list is empty. Your loop may never run, and the answer might just be the start.
if not data:
print(0)All lessons in this course
- Model State and Step Forward
- Grid Walks and Direction Vectors
- Cycle Detection in Simulations
- Tame the Tricky Edge Cases