#1730. How Big Is It?
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ID: 1730
Type: Default
1000ms
128MiB
Tried: 1
Accepted: 0
Difficulty: 10
Uploaded By:
How Big Is It?
说明
样例
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