#include<stdio.h>
int main()
{
double i = 1, t = 0, sum = 0, sign = -1;
for (i = 1; i <= 100; i++)
{
sign = -sign;
t = sign / i;
sum = sum + t;
}
printf("sum %f\n", sum);
system("pause");
return 0;
}
int main()
{
double i = 1, t = 0, sum = 0, sign = -1;
for (i = 1; i <= 100; i++)
{
sign = -sign;
t = sign / i;
sum = sum + t;
}
printf("sum %f\n", sum);
system("pause");
return 0;
}