Given a matrix X, 1st add a column to the matrix whose elements are the summation of each rows. Then add a row to the matrix whose elements are the summation of all elements above in the same column. For example
➢ Input: x= [2,5; 3,8]
➢ Output: y= [2,5,7; 3,8,11;5,13,18]
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Last Solution submitted on Sep 29, 2025

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Riccardo G. CXD Tomoaki Takagi Alexander Ross

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