2051: How Big Is It?
Memory Limit：128 MB
Time Limit：1.000 S
Submit数：1
Solved数：1
Description
Sample Input Copy
3 3 2.0 1.0 2.0 4 2.0 2.0 2.0 2.0 3 2.0 1.0 4.0
Sample Output Copy
9.657 16.000 12.657
Source/Category
⋮
3 3 2.0 1.0 2.0 4 2.0 2.0 2.0 2.0 3 2.0 1.0 4.0
9.657 16.000 12.657