BIntangf

#include <iostream>
using namespace std;
int main (){
int a,b,c=5;
for (a=1;a<=5;a++) {
		for (b=1;b<=a;b++) {
			cout <<"*";
		}
		cout << endl;
	}
	for (a=2;a<=5;a++) {
        for (b=a;b<=5;b++) {
            cout << "*";
        }
        cout << endl;
    }

    cout<<endl;

    for (a=1;a<5;a++){
    	for(b=1;b<=5;b++){
    		cout<<"*"<<" ";
		}
		cout<<endl;
	}

		cout<<endl;


	 for(a=5;a>=1;a--){
            for(b=a;b>1;b--){
                if (a==c||b==a)
                    cout<<"*"<<" ";
                else
                    cout<<"  ";
            }
            for(b=1;b<=c-a+1;b++){
                if(a==1||b==c-a+1)
                    cout<<"*"<<" ";
                else
                    cout<<"  ";
            }
            cout<<endl;
        }
                    cout<<endl;

        	for(a=1;a<=5;a++){
            for(b=1;b<=5;b++){
                if (a==3||b==1||b==5){
                    cout<<"*";
                }
                else {
                    cout<<" ";
}
	}
		cout<<endl;
    }
    	cout<<endl;
         	for(a=1;a<=5;a++){
            for(b=1;b<=5;b++){
                if (a==3||b==1||a==1){
                    cout<<"*";
                }
                else {
                    cout<<" ";
}
	}
		cout<<endl;
}
}