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Description A friend of you is doing research on the Traveling Knight Problem (TKP) where you are to find the shortest closed tour of knight mov... 阅读全文
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Description The ministers of the cabinet were quite upset by the message from the Chief of Security stating that they would all have to change ... 阅读全文
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Description Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only the di... 阅读全文
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Description 在一个给定形状的棋盘（形状可能是不规则的）上面摆放棋子，棋子没有区别。要求摆放时任意的两个棋子不能放在棋盘中的同一行或者同一列，请编程求解对于给定形状和大小的棋盘，摆放k个棋子的所有可行的摆放方案C。 Input 输入含有多组测试数据。 每组数据的... 阅读全文
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Description Given A,B,C, You should quickly calculate the result of A^B mod C. (1#includeusing namespace std;typedef __int64 ll;ll quick(ll a,l... 阅读全文
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Description Xiaoming has just come up with a new way for encryption, by calculating the key from a publicly viewable number in the following way... 阅读全文
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Every year there is the same problem at Halloween: Each neighbour is only willing to give a certaintotal number of sweets on that day, no matter how... 阅读全文
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Description 可怜的公主在一次次被魔王掳走一次次被骑士们救回来之后，而今，不幸的她再一次面临生命的考验。魔王已经发出消息说将在T时刻吃掉公主，因为他听信谣言说吃公主的肉也能长生不老。年迈的国王正是心急如焚，告招天下勇士来拯救公主。不过公主早已习以为常，她深信智勇的骑士LJ肯定能... 阅读全文