Given a square matrix, rotate the matrix by 180 degrees in clock-wise direction. The transformation should be done in-place in quadratic time.. If we swap elements of first row with the elements of last row in reverse order, elements of second row with the elements of second last row in reverse order, and so on..
Description The ^BX command creates a two-dimensional matrix symbology made up of square modules arranged within a perimeter finder pattern. Format ^BXo,h,s,c,r,f,g,a Parameters Details o = orientation Accepted Values: N = normal R = rotated 90 degrees (clockwise) I = inverted 180 degrees B = read from bottom up, 270 degrees Oct 12, 2010 · Today's exercise is simple but tricky: write a function to rotate the elements of an array. The function takes two arguments: the array to be rotated and the number of elements to rotate, where a positive count rotates to the left and a negative count rotates to the right. up vote 14 down vote favorite 5 I need to rotate an image by either 90, 180 or 270 degrees. In OpenCV4Android I can use: Imgproc.getRotationMatrix2D(new Point(center, center), degr