Write it, run it, read the output

Reading · 7 minQuiz · 5 questions2 code drills · run only

This is a scratch drill — your code runs, nothing is graded or recorded. No test cases, no expected output, no verdict.

TASK

Calculate and print the three row sums and the four column sums for the matrix. Reset each subtotal when you begin a new row or column.

C++

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OUTPUT

Sample

Row sums: 8 4 5
Column sums: 10 5 2 0

What a finished answer prints, from the lesson. Nothing has run yet — press Run and this is replaced by your program’s own output.