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1004已经重判,非常抱歉,之前SPJ写的有Bug
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Contest Clarifications
Problem 1011
: 旋转是绕着(0,0)转?
旋转是绕着(0,0)转?
还是在二维平面任意转?
Newlife
at
2014-10-22 13:25:11
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