I use C,but also WA.

[code deleted]

Edited by moderator 02.01.2020 18:46

I have changed a,b into double,and got AC!

that's because such input has surpass the range of long:

4
-1
2000000000
-200000000
0

the standard output should be:
2 3
but because of the limit of long number it has wrongly been changed
into 1 2ЈЎ