Problem Description
A ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in two adjacent circles should be a prime...
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其他好文 时间：
2015-08-04 11:10:54
阅读次数：
104
4种基本类型的连接，inner，outer，natural，cross连接
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数据库 时间：
2015-08-03 20:49:21
阅读次数：
163
Sum
时间限制：1000 ms | 内存限制：65535 KB
难度：2
描述Consider the natural numbers from 1 to N. By associating to each number a sign (+ or -) and calculating the value of this expression
we obtain ...
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其他好文 时间：
2015-08-02 21:41:37
阅读次数：
165
DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbers into each circle separately, and the sum of numbers....
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其他好文 时间：
2015-08-02 21:32:34
阅读次数：
154
原题DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbersinto each circle separately, and the sum of numbers...
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其他好文 时间：
2015-08-02 19:48:34
阅读次数：
151
DescriptionA ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circle separately, and the sum of numbers in ...
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其他好文 时间：
2015-08-02 18:13:37
阅读次数：
124
DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbersinto each circle separately, and the sum of numbers i...
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其他好文 时间：
2015-08-01 17:02:18
阅读次数：
101
DescriptionA ring is composed of n (even number) circles as shown in diagram. Put natural numbersinto each circle separately, and the sum of numbers i...
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其他好文 时间：
2015-07-31 21:34:12
阅读次数：
114
Description
Two players, Stan and Ollie, play, starting with two natural numbers. Stan, the first player, subtracts any positive multiple of the lesser of the two numbers from the greater of the tw...
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其他好文 时间：
2015-07-31 20:25:05
阅读次数：
90
Prime Ring ProblemProblem DescriptionA ring is compose of n circles as shown in diagram. Put natural number 1, 2, ..., n into each circl...
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其他好文 时间：
2015-07-31 20:10:45
阅读次数：
186
