2.30(作业)

2.30

#include<iostream.h>
#include<cmath>
int sroot(int i)
{
    return sqrt(i);
}
long sroot(long l)
{
    return sqrt(l);
}
double sroot(double d)
{
    return sqrt(d);
}
int main()
{
   int i=4;
   long l=4444;
   double d=0.04;
   cout<<sroot(i)<<endl;
   cout<<sroot(l)<<endl;
   cout<<sroot(d)<<endl;
   return 0;
}