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Problem DescriptionDear contestant, now you are an excellent navy commander, who is responsible of a tough mission currently.Your fleet unfortunately ... 阅读全文
posted @ 2015-01-17 00:57
DSChan
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Problem DescriptionHatsune Miku is a popular virtual singer. It is very popular in both Japan and China. Basically it is a computer software that allo... 阅读全文
posted @ 2015-01-16 23:59
DSChan
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Benford's Law, also called the First-Digit Law, refers to the frequency distribution of digits in many (but not all) real-life sources of data. In thi... 阅读全文
posted @ 2015-01-16 16:17
DSChan
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One day, Edward and Flandre play a game. Flandre will show two 01-strings s1 and s2, the lengths of two strings are n. Then, Edward must move exact k ... 阅读全文
posted @ 2015-01-16 15:34
DSChan
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Alice and Bob both love playing games. Now, Alice and Bob are playing a cue sport like Nine-ball Pool. Two players move in turn. A move is that one pl... 阅读全文
posted @ 2015-01-16 14:22
DSChan
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Edward think a game of billiards is too long and boring. So he invented a new game called Easy billiards.Easy billiards has N balls on a brimless rect... 阅读全文
posted @ 2015-01-16 12:58
DSChan
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There are N (1 ≤ N ≤ 105) colored blocks (numbered 1 toN from left to right) which are lined up in a row. And the i-th block's color isCi (1 ≤ Ci ≤ 10... 阅读全文
posted @ 2015-01-13 15:32
DSChan
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Problem DescriptionNow I think you have got an AC in Ignatius.L's "Max Sum" problem. To be a brave ACMer, we always challenge ourselves to more diffic... 阅读全文
posted @ 2014-12-03 23:43
DSChan
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Problem DescriptionBefore ACM can do anything, a budget must be prepared and the necessary financial support obtained. The main income for this action... 阅读全文
posted @ 2014-12-03 22:29
DSChan
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Problem DescriptionFatMouse believes that the fatter a mouse is, the faster it runs. To disprove this, you want to take the data on a collection of mi... 阅读全文
posted @ 2014-12-03 21:00
DSChan
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