Tricky.长方形:0<=X<=A, 0<=Y<=B

来源: jinjing 于 2012-01-21 07:53:56 [] [旧帖] [给我悄悄话] 阅读数 : (165 bytes)

1)0<=X<=A/3,0<=Y<=B  2)3)1/3A<=X<2/3A:0<=Y<=1/2B;1/2B<=Y<=B  4)2/3A<=X<=A,0<=Y<=B.

turn 90 degree.

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