2015年2月3日
（寒假CF3）B - 坑坑
摘要： 题解：dpDescriptionAlex doesn't like boredom. That's why whenever he gets bored, he comes up with games. One long winter evening he came up with a game a... 阅读全文
posted @ 2015-02-03 20:53 江豚 阅读(142) 评论(0) 推荐(0) 编辑
（寒假CF3）坑坑坑
摘要： 题意 ：求期望题解 ：找规律，列举几个，然后找到规律。坑点：要简化，不简化数字一大就wa了Sample InputInput6 1Output3.500000000000Input6 3Output4.958333333333Input2 2Output1.750000000000HintConsi... 阅读全文
posted @ 2015-02-03 20:25 江豚 阅读(108) 评论(0) 推荐(0) 编辑
（周六赛1）Sum it up
摘要： 题意：Sample Input4 6 4 3 2 2 1 15 3 2 1 1400 12 50 50 50 50 50 50 25 25 25 25 25 250 0 Sample OutputSums of 4:43+12+22+1+1Sums of 5:NONESums of 400:50+5... 阅读全文
posted @ 2015-02-03 11:10 江豚 阅读(125) 评论(0) 推荐(0) 编辑