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#16451: __觀念


freedom501999@gmail.com (帥氣魔方生)

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2019-05-30 22:56:25
b681. 1. 山洞探險 -- 2015高雄市資訊學科能力競賽高中組 | From: [27.52.77.116] | Post Date : 2019-01-02 14:25

L < 0 ，D = ( - L ) * 2

L > 0 ，D = L * 2 - 1

 
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