#include<stdio.h> #include<math.h> int main() { double a,b,c,s,area; a=3.67; b=5.43; c=6.21; s=(a+b+c)/2; area=sqrt(s*(s-a)*(s-b)*(s-c)); printf("a=%f\tb=%f\tc=%f\n",a,b,c); printf("area=%f\n",area); return 0; }
[此贴子已经被作者于2022-9-9 22:21编辑过]