Contoh program bintang deret piramida C++

Source code:

#include <iostream>
using namespace std;
main(){
int n,z;
cout<<"masukan n = ";
cin>>n;
for(int i=1;i<n*2;i+=2){
for(int b=i;b<n*2;b+=2){

cout<<" ";
}

for(int a=1;a<=i;a++){
cout<<"*";
}
cout<<"\n";
}
n=n-1;
z=1;
for(int i=1;i<=n*2;i+=2){
z++;
for(int b=1;b<=z;b++){

cout<<" ";
}

for(int a=i;a<n*2;a++){
cout<<"*";
}
cout<<"\n";
}

return 0 ;
}