OJ Board

thanks....

Someone could explain me why it isn't 1 always the right answer in problem 151?

I simply can

its possivel this kind of input data

1

3 4

if yes what is the result? (0??)

1

3 4
0 0

if yes what is the result?

2

3 4


if yes what is the result (2 zeros or 1 zero?)