I think you want to write A and not x:
test case #2 and 3 should be corrected. Instead of x, it should be A
What elements do you consider the "surrounding arrays"?
Surrounding arrays apparently are the elements right above, below, left, and right the zero elements. Found out by reverse engineering. The x is still a mystery.
More tests please. A lot of solutions assume that 0 can't be in the first (or last) column.
Find relatively common elements in matrix rows
Matrix indexing with two vectors of indices
MATCH THE STRINGS (2 CHAR) very easy
Return area of square
What number has this problem?
Convert Fahrenheit to Celsius
Distance a ball travels after throwing vertically
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