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The Frog's Games Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65768/65768 K (Java/Others)Total Submission(s): 7802 Accepted Submission(s): 367 阅读全文
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可以在http://www.flagcounter.com/按照自己的喜好自定义html代码 阅读全文
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Dave Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65768/65768 K (Java/Others)Total Submission(s): 4095 Accepted Submission(s): 1390 Problem De 阅读全文
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转自:http://www.cnblogs.com/kuangbin/archive/2012/03/21/2410516.html 卡特兰数又称卡塔兰数,是组合数学中一个常出现在各种计数问题中出现的数列。由以比利时的数学家欧仁·查理·卡塔兰 (1814–1894)命名。 卡特兰数 前几项为 (OE 阅读全文
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487-3279 Time Limit: 2000MS Memory Limit: 65536K Total Submissions: 294197 Accepted: 52694 Description Businesses like to have memorable telephone num 阅读全文
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Train Problem II Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 2830 Accepted Submission(s): 156 阅读全文
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Dividing Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 26842 Accepted Submission(s): 7687 Probl 阅读全文