摘要:
You've got a undirected graph G, consisting of n nodes. We will consider the nodes of the graph indexed by... 阅读全文
摘要:
C. Below the DiagonalYou are given a square matrix consisting of n rows and n columns. We assume that the ... 阅读全文
摘要:
马上就要上战场了,昨晚因为觉得有些题目太难,没敢作,等到想做的时候,时间结束了,很难受,B题在三个人的攻击下,硬是没搞出来,这就有点难受了,昨晚策略出了问题,觉得B是简单题,而忽略了F题,回宿舍没有半小时就过了,... 阅读全文