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题目： In some social network, there are nn users communicating with each other in mm groups of friends. Let's analyze the process of distributing some n 阅读全文
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题目： After coding so many days,Mr Acmer wants to have a good rest.So travelling is the best choice!He has decided to visit n cities(he insists on seein 阅读全文
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题目： 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肯定能将她救出。 现据密探所报，公 阅读全文
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题目： Let's play a card game called Gap. You have 28 cards labeled with two-digit numbers. The first digit (from 1 to 4) represents the suit of the card 阅读全文
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题目： Last night, little erriyue had a horrible nightmare. He dreamed that he and his girl friend were trapped in a big maze separately. More terribly, 阅读全文
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题目： This is a very popular game for children. In this game, there's a cube, which consists of 3 * 3 * 3 small cubes. We can unwrap the cube, it will b 阅读全文
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题目： The twenty-first century is a biology-technology developing century. We know that a gene is made of DNA. The nucleotide bases from which DNA is bu 阅读全文
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题目： The students of the HEU are maneuvering for their military training. The red army and the blue army are at war today. The blue army finds that Lit 阅读全文
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题目： 一个规则的实心十二面体，它的 20个顶点标出世界著名的20个城市，你从一个城市出发经过每个城市刚好一次后回到出发的城市。 输入： 前20行的第i行有3个数,表示与第i个城市相邻的3个城市.第20行以后每行有1个数m,m<=20,m>=1.m=0退出. 输出： 输出从第m个城市出发经过每个城市 阅读全文
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题目： 简单介绍一下八数码问题： 在一个3×3的九宫格上，填有1~8八个数字，空余一个位置，例如下图： 在上图中，由于右下角位置是空的，你可以移动数字，比如可以将数字6下移一位： 或者将数字8右移一位： 1~8按顺序排列的情况称为“初始状态”（如最上方图）。“八数码问题”即是求解对于任意的布局，将其 阅读全文