#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
double sum = 0;
int t=1;
for (int i = 1; i <= 10; i++)
{
t *= i;
sum += 1.0 / t;
}
printf("%lf", sum);
}
#define _CRT_SECURE_NO_WARNINGS
#include <stdio.h>
int main()
{
double sum = 0;
int t=1;
for (int i = 1; i <= 10; i++)
{
t *= i;
sum += 1.0 / t;
}
printf("%lf", sum);
}