c语言中循环右移怎么实现

问题描述

精选答案

unsignedcharcrol(unsignedcharc,unsignedb){//左移unsignedcharleft;left=c<<b;unsignedcharright;right=c>>(sizeof(unsignedchar)-b);returnleft|right;}unsignedcharcror(unsignedcharc,unsignedb){//右移unsignedcharright;right=c>>b;unsignedcharleft;left=c<<(sizeof(unsignedchar)-b);returnleft|right;}