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1164 - Horrible Queries PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 64 MB World is getting more evil and it's getting tougher 阅读全文
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1161 - Extreme GCD PDF (English) Statistics Forum Time Limit: 1 second(s) Memory Limit: 32 MB All of you know that GCD means the greatest common divis 阅读全文
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1142 - Summing up Powers (II) PDF (English) Statistics Forum Time Limit: 2 second(s) Memory Limit: 32 MB Shanto is learning how to power up numbers an 阅读全文
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1269 - Consecutive Sum PDF (English) Statistics Forum Time Limit: 3 second(s) Memory Limit: 64 MB Little Jimmy is learning how to add integers. As in 阅读全文
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1091. Tmutarakan Exams Time limit: 1.0 secondMemory limit: 64 MB University of New Tmutarakan trains the first-class specialists in mental arithmetic. 阅读全文
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1114. Boxes Time limit: 0.6 secondMemory limit: 64 MB N boxes are lined up in a sequence (1 ≤ N ≤ 20). You have A red balls and B blue balls (0 ≤ A ≤ 阅读全文
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Give a set S, |S| = n, then how many ordered set group (S1, S2, ..., Sk) satisfies S1 ∩ S2 ∩ ... ∩ Sk = ∅. (Si is a subset of S, (1 <= i <= k)) Input 阅读全文
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Sky Code Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 2085 Accepted: 665 Description Stancu likes space travels but he is a poor softwar 阅读全文
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Happy 2006 Time Limit: 3000MS Memory Limit: 65536K Total Submissions: 10856 Accepted: 3776 Description Two positive integers are said to be relatively 阅读全文
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Sum Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2974 Accepted Submission(s): 843 Problem Desc 阅读全文
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Visible Trees Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 2462 Accepted Submission(s): 1032 P 阅读全文