((0,0)@(1,1))@((4,1)@(2,5)) ((0,0)@(3,1))@((1,-3)@(2,-1)) (0,0)@(1,1)@(4,1) (0,0)@((1,1)@(4,1)) (((0,0)@((10,20)@(((30,40)))))) ((0,0)@(3,1))@((1,-3)@(2,-1))@(100,-100)@(100,100) #
3.00000000 3.00000000 3.00000000 1.00000000 1.00000000 4.00000000 0.00000000 2.00000000 -10.00000000 10.00000000 -99.83681795 -91.92248853
Info: 本題輸出為浮點數，絕對或相對誤差 1e-2 以下視為正確
Migrated from old NTUJ.
| No. | Testdata Range | Score |
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