Question

C语言:求和:S=1/2+1/4+1/8+1/16+…+1/256

Answer 1

我吐血，你是计算机专业的么？？
#include "stdio.h"
void main()
{
int i=2; int j;float s,sum=0;
for(j=1;j<=8;j++)
{
s=1.0/i;
i=i*2;
sum+=s;
}
printf("%d",sum);
}

Answer 2

#define Max 8

void main()
{
double sum=0;
int n=2;
for(int i=1;i<=Max;i++,n*=2){ sum+=1/n; }
}