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Quick Summary

Parse and sequentially execute string-based transformation commands on a 2D matrix.
Handle dynamic dimension changes, particularly from the 90-degree clockwise rotation command.
Ensure all row indices are validated against the current matrix state after each modification.

What This Tests

Command parsing and dispatch logic
In-place array manipulation and reference swapping
Matrix coordinate transformation and transposition
Dynamic tracking of changing dimensions

Common Patterns

Two Pointers

Simulation

Array Manipulation

Test Cases

Input

Output

Expected