两矩形边线可以相交么?

P1034 [NOIP2002 提高组] 矩形覆盖

@[矢口水原](/space/show?uid=59098) 您真冷静
by ShineEternal @ 2018-10-13 12:59:05


@[洛谷万岁](/space/show?uid=45475) 蛤
by Mizuhara @ 2018-10-13 13:04:48


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