Start: Jul, 27, 2019 14:00:00
暑期测试7.27
End: Jul, 27, 2019 16:30:00
Time elapsed:
Time remaining:

求平方根 1001

Time Limit:  1 Sec    Memory Limit:   128 MB
Submission:2     AC:1     Score:20


Description

输入 1 个实数x,计算并输出其平方根(保留1 位小数)

Input

输入一个实数x

Output

输出平方根

Samples

input:
17
output:
The square root of 17.0 is 4.1