Star triangles (4 different patterns) || Stars in C++

Triangle No: 1

Triangle No:1

#include<iostream>

using namespace std;

void main()

{

for (int i=1; i<=10; i++) // for the number of rows i = number of row

{

       for (int j=1; j<=10-i; j++) // for space

             cout<<" ";

       for (int k=1; k<=i; k++) // for print the star

             cout<<"*";

             cout<<endl;

}

cout<<endl<<endl;

}

Triangle No:2

Triangle No:2

#include<iostream>

using namespace std;

void main()

{

for (int i=1; i<=10; i++) // number of row

       {

             for (int k=2; k<=i; k++) // for space

                   

             cout<<" ";

             for (int j=10; j>=i; j--) // for print the stars

                    cout<<"*";

                    cout<<endl;               

       }

cout<<endl<<endl;

}

Triangle No: 3

Triangle No: 3

#include<iostream>

using namespace std;

void main()

{

for (int i=1; i<=10; i++) // number of row

       {

             for (int j=1; j<=i; j++) // for print the stars

                    cout<<"*";

                    cout<<endl;               

       }

cout<<endl<<endl;

}

Triangle No: 4

Triangle No: 4

#include<iostream>

using namespace std;

void main()

{

for (int i=1; i<=10; i++) // for row

{

       for (int j=10; j>=i; j--) // for stars

             cout<<"*";

             cout<<endl;

}

cout<<endl<<endl;

}