Creating Square, Rectangle, Multiply, slash using * (star) using C

In the process of learning the basic of C language people often create shapes using the *, and these shapes question are also asked in the interview question and selection exam of various companies so it is very good to learn how to make various shapes.

Rectangle

we can also make multiply etc.

Multiply

Code for the above images it is in the order of images.

#include <iostream>
using namespace std;

int main() {
    int size;
    cout << "Enter Number ";
    cin >> size;
    cout << endl;
    for(int i=0;i<size;i++){
        for(int j=0;j<size;j++){
            cout << "*";
        }
        cout << endl;
    }
    cout << endl;
    for(int i=0;i<size;i++){
        for(int j=0;j<size;j++){
            if(i == j)
                cout << "*";
            else
                cout << " ";
        }
        cout << endl;
    }
    cout << endl;
     for(int i=0;i<size;i++){
        for(int j=0;j<size;j++){
            if( (size - i - 1) == j)
                cout << "*";
            else
                cout << " ";
        }
        cout << endl;
    }
    cout << endl;
    for(int i=0;i<size;i++){
        for(int j=0;j<size;j++){
            if( (size - i - 1) == j || i == j)
                cout << "*";
            else
                cout << " ";
        }
        cout << endl;
    }
    cout << endl;
    for(int i=0;i<size;i++){
        for(int j=0;j<size;j++){
            if(i==0 || i == (size -1)) // printing for the first and last line 
            cout << "*";
            else if((j == 0 && i != size-1) || (j==size-1 && i != size-1)) // printing for the first and last column except first and last row 
            cout << "*";
            else // putting space for everything else
            cout << " ";
        }
        cout << endl;
    }
    return 0;
}

output for this program is

output

Thanks for being here.

Any problem or suggestion please comment below.