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find the most comfortable road Time Limit:1000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Description XX星有许多城市，城市之间通过一种奇怪的高速公路 阅读全文
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（1）被2整除的数的特征：一个整数的末位是偶数（0、2、4、6、8）的数能被2整除。 （2）被3整除的数的特征：一个整数的数字和能被3整除，则这个数能被3整除。 （3）被4整除的数的特征：一个整数的末尾两位数能被4整除则这个数能被4整除。可以这样快速判断：最后两位数，要是十位是单数，个位就是2或6， 阅读全文
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Divisibility by Eight time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given a no 阅读全文
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Preparing Olympiad time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You have n problems. 阅读全文
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Two Substrings time limit per test 2 seconds memory limit per test 256 megabytes input standard input output standard output You are given string s. Y 阅读全文
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A Simple Problem with Integers Time Limit: 5000MS Memory Limit: 131072K Total Submissions: 72740 Accepted: 22453 Case Time Limit: 2000MS Description Y 阅读全文
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I Hate It Time Limit:3000MS Memory Limit:32768KB 64bit IO Format:%I64d & %I64u Submit Status Practice HDU 1754 Appoint description: wlxk (2013-01-20) 阅读全文
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敌兵布阵 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 54737 Accepted Submission(s): 22959 Problem 阅读全文
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Building a Space Station Time Limit: 1000MS Memory Limit: 30000K Total Submissions: 5173 Accepted: 2614 Description You are a member of the space stat 阅读全文
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畅通工程再续 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 17913 Accepted Submission(s): 5593 Problem 阅读全文