Nested square (2) X39051


Statement
 

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Write code for, given a non-negative integer n, printing a nested square of size n, as shown in the examples.

The program must implement and use the NESTED-SQUARE function, which must be recursive and is not allowed to perform input/output operations.

Make one submission with Python code and another submission with C++ code.

Input

The input is an integer n ≥ 0.

Output

The output is a nested square of size n.

Public test cases

  • Input

    1

    Output

    *

  • Input

    2

    Output

    **
**

  • Input

    12

    Output

    ************
*          *
* ******** *
* *      * *
* * **** * *
* * *  * * *
* * *  * * *
* * **** * *
* *      * *
* ******** *
*          *
************
    • Information
    Author
    Gabriel Valiente
    Language
    English
    Official solutions
    C++ Python
    User solutions
    C++ Python