Transposed matrix

Write a procedure that transposes a square matrix @m@.

Interface

+-------:+:---------------------------------------------+
| C++    |     typedef vector< vector<int> > Matrix;    |
+--------+----------------------------------------------+
|        |     void transpose(Matrix& m);               |
+--------+----------------------------------------------+
| Java   |     public static void transpose(int[][] m); |
+--------+----------------------------------------------+
| Python |     transpose(m)  # returns None             |
+--------+----------------------------------------------+
| MyPy   |     transpose(m: list[list[int]]) -> None    |
+--------+----------------------------------------------+

Precondition

@m@ is a square matrix n × n with n ≥ 0.

Problem information

Author: Unknown
Translator: Carlos Molina

Generation: 2026-01-25T10:32:33.489Z

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