Compare disk block allocation schemes for different operations. A file consists of eight logical blocks, A through H. The current position is at the beginning of block E. The following operations are performed: read block D, read block F, delete block E, insert new block C' between C and D.
For each of the four disk block allocation schemes, contiguous, linked, using FAT, and indexed, determine which blocks must be read from and written to the disk to perform each of the four operations.

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Me with this program in c++ ! computers represent color by combining sub-colors red, green, and blue (rgb). each sub-color's value can range from 0 to 255. thus (255, 0, 0) is bright red. (130, 0, 130) is a medium purple. (0, 0, 0) is black, (255, 255, 255) is white, and (40, 40, 40) is a dark gray. (130, 50, 130) is a faded purple, due to the (50, 50, 50) gray part. (in other word, equal amounts of red, green, blue yield gray).given values for red, green, and blue, remove the gray part. ex: if the input is 130 50 130, the output is: 80 0 80. thus, find the smallest value, and then subtract it from all three values, thus removing the gray.