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ACboy很喜欢玩一种战略游戏，在一个地图上，有N座城堡，每座城堡都有一定的宝物，在每次游戏中ACboy允许攻克M个城堡并获得里面的宝物。但由于地理位置原因，有些城堡不能直接攻克，要攻克这些城堡必须先攻克其他某一个特定的城堡。你能帮ACboy算出要获得尽量多的宝物应该攻克哪M个城堡吗？ Input每 阅读全文
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不要62 Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 56193 Accepted Submission(s): 21755 Problem 阅读全文
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1026: [SCOI2009]windy数 Description windy定义了一种windy数。不含前导零且相邻两个数字之差至少为2的正整数被称为windy数。 windy想知道，在A和B之间，包括A和B，总共有多少个windy数？ windy定义了一种windy数。不含前导零且相邻两个数字 阅读全文
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#include #include #include #include using namespace std; int t; long long dp[19][19][2005]; long long l, r; int digit[20]; long long dfs(int len,...int if4..., bool limit) { if (len == 0) ... 阅读全文
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You are a member of the space station engineering team, and are assigned a task in the construction process of the station. You are expected to write 阅读全文
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Farmer John has been elected mayor of his town! One of his campaign promises was to bring internet connectivity to all farms in the area. He needs you 阅读全文