//浮点数计算
#include<stdio.h>
int main()
{
int i = 0;
double sum = 0;
int flag = 1;
for (i = 1; i <= 100; i++)
{
sum += 1.0 / i * flag;
flag = -flag;
}
printf("%f", sum);
return 0;
}
//浮点数计算
#include<stdio.h>
int main()
{
int i = 0;
double sum = 0;
int flag = 1;
for (i = 1; i <= 100; i++)
{
sum += 1.0 / i * flag;
flag = -flag;
}
printf("%f", sum);
return 0;
}