```
#include <stdio.h>
long double simpson(double a, double b, double c, double d, long double l, long double r, long double eps = 0.9536743164065e-6)
{
double m = (l + r) / 2;
if (r > l + eps)
{
return simpson(a, b, c, d, l, m, eps) + simpson(a, b, c, d, m, r, eps);
}
return eps * (c * m + d) / (a * m + b);
}
int main()
{
double a, b, c, d, l, r;
scanf("%lf%lf%lf%lf%lf%lf", &a, &b, &c, &d, &l, &r);
printf("%lf", (double)simpson(a, b, c, d, (long double)l, (long double)r));
return 0;
}
```
by myee @ 2020-01-09 19:07:51
调出一个诡异的参数
~~暴力出奇迹，骗分过样例~~
by myee @ 2020-01-09 19:09:15
正常方法已过，但仍然不知为何这样可以得50分
by myee @ 2020-01-24 19:53:38