Question

c语言。 大神出来了

Answer 1

#include<stdio.h>
#include<math.h>

double x;

double g(int i)
{
double s = 1;
double a = pow(x,i);
for(; i > 0; i--)
s *= i;
return a/s;
}

double f(int n)
{
double s = 0;
int i;
for(i = 1; i <= n; i++)
s += g(i);
return s;
}

int main()
{
int n;
double s;
scanf("%d%lf", &n, &x);
s = f(n) + 1;

printf("e^x = %lf\n", s);
}

追问

能简化吗

初学