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这个题就是排排坐,二分就可以了。。。 River Hopscotch Description Every year the cows hold an event featuring a peculiar version of hopscotch that involves carefully jum 阅读全文
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How Many Tables Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 45795 Accepted Submission(s): 229 阅读全文
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传送门http://blog.csdn.net/dellaserss/article/details/7724401 畅通工程 Time Limit: 4000/2000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total 阅读全文
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变形课 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/65536 K (Java/Others)Total Submission(s): 31338 Accepted Submission(s): 11290 Problem 阅读全文
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Red and Black Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s): 19690 Accepted Submission(s): 11965 阅读全文