What the problem??? I have compilful task, but they wrote<
that it can't be compile :(((( Me be it cause I use math.h
or some function (like sqrt)???

I didn't use any lib !!
she said "Compilation Error"!!
why??

>Me be it cause I use math.h
> or some function (like sqrt)???

I had such problem...
In situation like:
---
int N;
double x = sqrt(N);
---
You'll  have compilation error. Use sqrt((double)N).
In addition, when you use mail, for sending you task, judge
returns you the desription of compiler errors.