摘要: A -LuckyTime Limit:1000MSMemory Limit:131072KB64bit IO Format:%lld & %lluSubmitStatusPracticeNENU 1081Description We say a n*m matrix r is lucky if... 阅读全文
posted @ 2014-05-20 00:25 wkxnk 阅读(330) 评论(0) 推荐(0) 编辑