摘要: Description Heidi's friend Jenny is asking Heidi to deliver an important letter to one of their common friends. Since Jenny is Irish, Heidi thinks tha 阅读全文
posted @ 2017-06-09 00:07 樱花落舞 阅读(349) 评论(0) 推荐(0)
摘要: Description The marmots have prepared a very easy problem for this year's HC2 – this one. It involves numbers n, k and a sequence of n positive intege 阅读全文
posted @ 2017-06-09 00:02 樱花落舞 阅读(256) 评论(0) 推荐(0)