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DescriptionNow you are asked to measure a dose of medicine with a balance and a number of weights. Certainly it is not always achievable. So you shoul... 阅读全文
posted @ 2015-08-15 15:53
无解大神
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DescriptionWe give the following inductive definition of a “regular brackets” sequence:the empty sequence is a regular brackets sequence,ifsis a regul... 阅读全文
posted @ 2015-08-15 15:51
无解大神
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PalindromeTime Limit:3000MSMemory Limit:65536KTotal Submissions:44186Accepted:15050DescriptionA palindrome is a symmetrical string, that is, a string ... 阅读全文
posted @ 2015-08-15 15:46
无解大神
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DescriptionGiven a two-dimensional array of positive and negative integers, a sub-rectangle is any contiguous sub-array of size 1*1 or greater located... 阅读全文
posted @ 2015-08-15 15:39
无解大神
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DescriptionThe world financial crisis is quite a subject. Some people are more relaxed while others are quite anxious. John is one of them. He is very... 阅读全文
posted @ 2015-08-15 15:26
无解大神
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DescriptionIn a few months the European Currency Union will become a reality. However, to join the club, the Maastricht criteria must be fulfilled, an... 阅读全文
posted @ 2015-08-15 15:16
无解大神
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DescriptionLetxandybe two strings over some finite alphabetA. We would like to transformxintoyallowing only operations given below:Deletion:a letter i... 阅读全文
posted @ 2015-08-15 15:09
无解大神
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DescriptionMichael喜欢滑雪百这并不奇怪， 因为滑雪的确很刺激。可是为了获得速度，滑的区域必须向下倾斜，而且当你滑到坡底，你不得不再次走上坡或者等待升降机来载你。Michael想知道载一个区域中最长底滑坡。区域由一个二维数组给出。数组的每个数字代表点的高度。下面是一个例子 1 2 ... 阅读全文
posted @ 2015-08-15 14:57
无解大神
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