#include<iostream>
using namespace std;
int main(){
int n=5;
//1st part
for(int i=0;i<(n/2+1);i++){
for(int j=0;j<(n+2-i);j++){
std::cout<<" ";
}
for(int j=0;j<(2*i +1);j++){
std::cout<<"*";
}
for(int j=0;j<(2-i);j++){
std::cout<<" ";
}
std::cout<<std::endl;
}
//2nd part
for(int i=0;i<(n-2);i++){
for(int j=0;j<n;j++){
std::cout<<" ";
}
std::cout<<"@";
for(int j=0;j<n-2;j++){
std::cout<<" ";
}
std::cout<<"@";
std::cout<<endl;
}
//3rd part
for(int i=0;i<1;i++){
for(int j=0;j<n;j++){
std::cout<<"*";
}
std::cout<<"@";
for(int j=0;j<n-2;j++){
std:: cout<<" ";
}
cout<<"@";
for(int j=0;j<n;j++){
std::cout<<"*";
}
std::cout<<endl;
}
//4th part
for(int i=0;i<n/2;i++){
for(int j=0;j<=i;j++){
std:: cout<<" ";
}
for(int j=0;j<n-(2*(i+1));j++){
std::cout<<"*";
}
for(int j=0;j<n+2*(i+1);j++){
std::cout<<" ";
}
for(int j=0;j<n-(2*(i+1));j++){
std::cout<<"*";
}
std::cout<<endl;
}
}
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