Could anyone explain what’s wrong with this code ?
I have run it against 30k test cases and it looks ok.
Tkank you for your explanation.
Here is the code with test cases: https://ideone.com/loGTuM
Could anyone explain what’s wrong with this code ?
I have run it against 30k test cases and it looks ok.
Tkank you for your explanation.
Here is the code with test cases: https://ideone.com/loGTuM
Looking at your case #29, ..1...2...
should be marked safe. The two robots cannot collide, as they can never reach the same position.
Cases #6, 50, 137, 144, 163 are also wrongly called unsafe, on a brief inspection.