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Big Christmas TreeTime Limit: 3000MSMemory Limit: 131072KTotal Submissions: 17532Accepted: 3702DescriptionChristmas is coming to KCM city. Suby the loyal civilian in KCM city is preparing a big neat Christmas tree. The simple structure of the tree is shown in right picture.The tree can be represente 阅读全文
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Longest Ordered SubsequenceTime Limit: 2000MSMemory Limit: 65536KTotal Submissions: 24375Accepted: 10596DescriptionA numeric sequence of ai is ordered if a1 < a2 < ... < aN. Let the subsequence of the given numeric sequence (a1, a2, ..., aN) be any sequence (ai1, ai2, ..., aiK), where 1 < 阅读全文
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Ancient CipherTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 22180Accepted: 7503DescriptionAncient Roman empire had a strong government system with various departments, including a secret service department. Important documents were sent between provinces and the capital in encrypted form 阅读全文
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Count ColorTime Limit: 1000MSMemory Limit: 65536KTotal Submissions: 27842Accepted: 8337DescriptionChosen Problem Solving and Program design as an optional course, you are required to solve all kinds of problems. Here, we get a new problem. There is a very long board with length L centimeter, L is a 阅读全文
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Channel AllocationTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 9896Accepted: 5057DescriptionWhen a radio station is broadcasting over a very large area, repeaters are used to retransmit the signal so that every receiver has a strong signal. However, the channels used by each repeater mus 阅读全文
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Find them, Catch themTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 22213Accepted: 6624DescriptionThe police office in Tadu City decides to say ends to the chaos, as launch actions to root up the TWO gangs in the city, Gang Dragon and Gang Snake. However, the police first needs to identify 阅读全文
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BuildingsTime Limit: 5000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 180Accepted Submission(s): 86Problem Description Have you ever heard the story of Blue.Mary, the great civil engineer? Unlike Mr. Wolowitz, Dr. Blue.Mary has accomplished many great projects. 阅读全文
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PieTime Limit: 5000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 1591Accepted Submission(s): 552Problem DescriptionMy birthday is coming up and traditionally I'm serving pie. Not just one pie, no, I have a number N of them, of various tastes and of various s 阅读全文