C语言上机练习题及答案(共10页).doc

1输入三个整数x,y,z，把这三个数由小到大输出。# include void main() int x,y,z,a; scanf (%d,%d,%d,&x,&y,&z);if(xy) a=x; x=y;y=a; if(xz) a=x; x=z; z=a; if(yz) a=y; y=z; z=a; printf(%d,%d,%dn,x,y,z); 2输入圆的半径，输出圆的周长和面积。# include # define PI 3.1415926# define S =PI*r*r# define V (4.0/3)*PI*r*r*r void main() double r; printf(please input r:); scanf(%lf,&r); printf(area is %.4lfn,S); printf(volume i