#include <iostream.h>
int main()
{
int *X,n;
cout<<"Input n\n";
cin>>n;
if (n>0)
{
X=new int[n];
for (int i=0;i<n;i++)
cin>>X[i];
int count=0,index=0;
bool plus;
for (;index<n&&!X[index];index++);
plus=X[index]>0;
index++;
for (;index<n;index++)
if ((X[index]>0)!=plus&&X[index])
{
count++;
plus=X[index]>0;
}
cout<<"Index = "<<index;
delete[] X;
}
else
cout<<"n must be >0";
cin.get();
return 0;
}