Problem5116--求和55116: 求和5
Time Limit: 1.000 Sec Memory Limit: 128 MB
Submit: 480 Solved: 242
[Submit] [Status] [Web Board] [Creator:]Description
输入一个n，求s=1+1/2+1/3+…+1/n的和
Input
Output
所求的和s，保留3位小数。
Sample Input
3
Sample Output
1.833
Source/Category
[Submit] [Status]