#include<stdio.h> |
void main() |
{ |
int x, y, z; |
double a,b,c,d,average; |
x = 1; |
y = 1; |
z = 0; |
average = (x + y + z) / 3; |
printf ( "第(1)类情况,输出结果为%lf\n" , average); |
printf ( "第(2)类情况,请继续依次输入x,y,z的值:" ); |
scanf ( "%lf%lf%lf" , &a, &b, &c); |
d = (a + b + c) / 3; |
printf ( "average=%.2lf" , d); |
} |