摘要：
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=290611806-CheerleadersTimelimit:2.000secondsInmostprofe... 阅读全文
摘要：
http://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&page=show_problem&problem=239611401-TriangleCountingTimelimit:1.000secondsTriangl... 阅读全文