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Write programs that do one thing and do it well ----- Doug McIlroy (UNIX哲学) 如果你学过线代, 又恰巧你是个coder, 那么你应该写个计算行列式的program。计算行列式(数学知识): 每行都按行坐标排序, 求出列坐标排... 阅读全文
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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=1045Fire NetTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submi... 阅读全文
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题目链接:http://acm.hdu.edu.cn/showproblem.php?pid=5423Rikka with TreeTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others) Tota... 阅读全文
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Rikka with GraphTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/65536 K (Java/Others) Total Submission(s): 182Accepted Submission(s): 95 Pro... 阅读全文
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题目: 求 (n-1)!mod(n)的值。很显然当 n 是合数时 结果为0(当然这里有个特例4)当 n 为素数时, 直接用 威尔逊定理 结果为n-1.#include#include#include#include#define LL long longusing namespace std;boo... 阅读全文
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SticksTime Limit: 1000MSMemory Limit: 10000KTotal Submissions: 129606Accepted: 30388DescriptionGeorge took sticks of the same length and cut them rand... 阅读全文
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PS:这篇博客用来记录一些一般的C++书中草草掠过的一些概念。 或者一些不太容易理解的概念的详细解释。 欢迎新手进入,欢迎高手指正! Orz 。引用: 为对象起了另外一个名字, 引用类型引用(refers to)另外一种类型。int ival = 1024;int &refval = ival;in... 阅读全文
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Just a HookTime Limit: 4000/2000 MS (Java/Others)Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 23229Accepted Submission(s): 11634 Pro... 阅读全文
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Hat’s WordsTime Limit: 2000/1000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 10993Accepted Submission(s): 3944 Prob... 阅读全文
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SquareTime Limit: 10000/5000 MS (Java/Others)Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 11151Accepted Submission(s): 3588 Problem... 阅读全文