代码预期:输入三角形三条边,判断是否为三角形,是输出面积,不是输出bug
错误为:无论输入什么都为bug
#include <stdio.h>
#include <math.h>
double area(double a, double b, double c)
{
if (a + b > c && a + c > b && b + c > a)
{
double p = (a + b + c) / 2;
double s = sqrtf(p * (p - a) * (p - b) * (p - c));
printf("%f", s);
return s;
}
else printf("bug\n"); return 0;
}
int main()
{
double a, b, c, s;
scanf("%lf\n%lf\n%lf\n", &a, &b, &c);
s = area(a, b, c);
return 0;