The PDF version of this problem can be downloaded here.
To be considered correct, this number must be within a relative error of 1e-9 of the judges' answer.
2 3 1 2 3 5 8 13 3 1 3 2 4 3 5
60.0625 9
Info: 本題輸出為浮點數，絕對或相對誤差 1e-9 以下視為正確
Migrated from old NTUJ.
Shik & HH