0 0 0 3 3 3 ### ### ### ### ### ### ### ### ### 3 3 0 0 0 3 #.. ### ### ### ### ### #.# ### ### 0 0 2 2 2 2 ... ... ... .#. #.. ... ##. ##. ... 0 1 2 2 1 1 ... ... ... .#. #.. ... ##. ##. ... 3 2 0 2 3 2 ### ..# ... ..# ... .#. ..# ..# .## 0 0 0 0 0 0
6.70820393249936941515 6.47870866461907457534 2.82842712474619029095 2.23606797749978980505 2.82842712474619029095
Info: 本題輸出為浮點數,絕對或相對誤差 1e-4 以下視為正確
Migrated from old NTUJ.
ACM-ICPC Japan 2012
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