编程计算1-1/3!+1/5!+.+(-1)^n-1/(2n-1)!,
#include
void main()
{double s,t,n;
int x;
printf("please input n:");
scanf(%lf",&n);
t=1;x=1;s=1;
do{ x=x+2;
t=-t*/(n-10)/n;
s=s+t;
}while (x