代碼文本:
#include "stdio.h"
#include "math.h"
int main(int argc,char *argv[]){
double s,x,d=0.000001,pi=3.1415926,t=1/3.0;
for(s=0.0,x=pi/2;x<=pi;x+=d)
s+=sqrt(x)/(1-pow(x,t))*d;
printf("%f\n",s);
return 0;
}