摘要：
Rotating SentencesIn ``Rotating Sentences,'' you are asked to rotate a series of input sentences 90 degrees clockwise. So instead of displaying the input sentences from left to right and top to bottom, your program will display them from top to bottom and right to left.Input and OutputAs inp 阅读全文
摘要：
Machined SurfacesAn imaging device furnishes digital images of two machined surfaces that eventually will be assembled in contact with each other. The roughness of this final contact is to be estimated.A digital image is composed of the two characters,"X"and" "(space). There are 阅读全文