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Description he only king stands on the standard chess board. You are given his position in format "cd", where c is the column from 'a' to 'h' and d is 阅读全文
posted @ 2016-08-24 10:23
樱花落舞
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Description Katya studies in a fifth grade. Recently her class studied right triangles and the Pythagorean theorem. It appeared, that there are triple 阅读全文
posted @ 2016-08-21 13:06
樱花落舞
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Description Masha wants to open her own bakery and bake muffins in one of the n cities numbered from 1 to n. There are m bidirectional roads, each of 阅读全文
posted @ 2016-08-21 12:48
樱花落舞
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Description Small, but very brave, mouse Brain was not accepted to summer school of young villains. He was upset and decided to postpone his plans of 阅读全文
posted @ 2016-08-21 12:13
樱花落舞
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Description Peter Parker wants to play a game with Dr. Octopus. The game is about cycles. Cycle is a sequence of vertices, such that first one is conn 阅读全文
posted @ 2016-08-09 00:07
樱花落舞
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Description Dr. Bruce Banner hates his enemies (like others don't). As we all know, he can barely talk when he turns into the incredible Hulk. That's 阅读全文
posted @ 2016-08-09 00:01
樱花落舞
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链接：http://acm.hdu.edu.cn/showproblem.php?pid=5806 题意：有多少个区间里的第 k 大的数不小于 m 解法：尺取法，首先我们用dp[i]保存到i的位置有多少大于m的数 l=1，r=1，r开始遍历,只要符合dp[l]-dp[r]==k就是sum+=（n-r 阅读全文
posted @ 2016-08-06 22:29
樱花落舞
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链接：http://acm.hdu.edu.cn/showproblem.php?pid=5805 题意：删除数列中一个数，找出相邻之差绝对值最大，求依次删除最大值的和 解法：删除边缘位置的数字需要注意 它们的差就是 a[i-1]-a[i-2] ，a[i+2]-a[i+1],a[i-1]-a[i+1 阅读全文
posted @ 2016-08-06 22:20
樱花落舞
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链接http://acm.hdu.edu.cn/showproblem.php?pid=5804 题意：给你一些商店和他的商品价格，然后给你一个记账本，问你记大了就是1，否则是0 解法：模拟，注意测试数据大小 阅读全文
posted @ 2016-08-06 22:08
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Description Little Mishka is a great traveller and she visited many countries. After thinking about where to travel this time, she chose XXX — beautif 阅读全文
posted @ 2016-08-06 17:55
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