Nested square (2)

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 $n \geq 0$.

Output

The output is a nested square of size $n$.

Problem information

Author: Gabriel Valiente

Generation: 2026-01-25T15:50:24.826Z

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