eg410.c

贪吃蛇的编程有关资料

#include <math.h>
main()
{float a,b,c,s,area;
  scanf("%f,%f,%f",&a,&b,&c);
  s=1.0/2*(a+b+c);
  area=sqrt(s*(s-a)*(s-b)*(s-c));
  printf("a=%7.2f,  b=%7.2f,  c=%7.2f,  s=%7.2f\n",a,b,c,s);
  printf("area=%7.2f\n",area);
}