#include
using namespace std;//namespace拼写错误
int main()
{
for(int row=1; row<=5; row+=1)
{
for(int countera=4; countera>=0; countera+=1)
cout<<" ";
for(int counterb=1; counterb<=(2*row-1); counterb+=1)
cout<<"*";
cout< }
for(int row=4; row>=1; row-=1)
{
for(int countera=4; countera>=4; countera-=1)
cout<<" ";
for(int counterb=4; counterb<=(2*row-1); counterb+=1)
cout<<"*";
cout< }
return 0;
}
/*namespace拼写错误*/
