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2 3 3 0 0 1 0 0 1 0 0 -1 0 0 -1 4 4 0 0 2 2 2 0 0 2 1 0 3 0 1 2 3 2
0 2
Info: 本題輸出為浮點數,絕對或相對誤差 1e-7 以下視為正確
Migrated from old NTUJ.
eddy