text: preprocess last row Initialize max
code: maxv = mat [ N - 1 ] [ N - 1 ] ; NEW_LINE for j in range ( N - 2 , - 1 , - 1 ) : NEW_LINE INDENT if ( mat [ N - 1 ] [ j ] > maxv ) : NEW_LINE INDENT maxv = mat [ N - 1 ] [ j ] NEW_LINE DEDENT maxArr [ N - 1 ] [ j ] = maxv NEW_LINE DEDENT