Implement 3x3 matrix transforms and rotation
Company: SIG (Susquehanna)
Role: Software Engineer
Category: Coding & Algorithms
Difficulty: Medium
Interview Round: Take-home Project
For a 3x3 matrix, write Python code to:
(a) transpose it in-place;
(b) swap any two rows and any two columns;
(c) reverse a specified column and reverse all rows; and
(d) rotate the matrix 90 degrees clockwise. Include example inputs and resulting matrices for each operation.
Quick Answer: This question evaluates proficiency in array and matrix manipulation, specifically in-place transpose, row/column swapping, column/row reversal, and 90-degree rotation operations.