#include<stdio.h>
#include<stdlib.h>
int main()
{
int i;
double sum;
double sum1 = 0;
double sum2 = 0;
for (i = 1; i < 100; i += 2)//计算奇数的和
{
sum1 = sum1 + 1.0 / i;
}
for (i = 2; i <= 100; i += 2)//计算偶数的和
{
sum2 = sum2 + 1.0 / i;
}
sum = sum1 - sum2;
printf("%f\n", sum);
system("pause");
return 0;
}
计算1/1-1/2+1/3-1/4+1/5......+1/99-1/100的值
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转载自blog.csdn.net/sun_105/article/details/92782823
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