5
0 -100000000
1 -100000000
1 -99999999
-1 100000000
0 100000000
I think, this answer is wrong:
0 -100000000
1 -100000000
-1 100000000
But my AC program doesn't think so.

And I still ask you to make the third test without trash in the end.

Thanks for pointing out the trash in the end of 3rd test case!