数据结构基本概念与算法.pptx

;任务编程实现求解圆的面积 main( ) { float r,s; scanf%f&r; s=3.14*r*r; printf%f,s; } ; main( ) { float r,s; printf(Calculating the area of a circular; printf(\nplease input the radius; scanf%f&r; s=3.14*r*r; print