PROGRAMMING:Count the positive and negative numbers
Title: programming sum = 1-1 / 2 + 1 / 3-1 / 4... + 1 / N value and output.
###Input format:
Enter an integer n
###Output format:
Output cumulative sum result, default to 6 decimal places
###Input example:
```in
one hundred
```
###Output example:
```out
zero point six eight eight one seven two
```
answer：If there is no answer, please comment
###Input format:
Enter an integer n
###Output format:
Output cumulative sum result, default to 6 decimal places
###Input example:
```in
one hundred
```
###Output example:
```out
zero point six eight eight one seven two
```
answer：If there is no answer, please comment