After inventing Turing Tree, 3xian always felt boring when solving problems about intervals, because Turing Tree could easily have the solution. As we ...
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编程语言 时间：
2019-08-06 21:27:24
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172
F. Vanya and Label While walking down the street Vanya saw a label "Hide&Seek". Because he is a programmer, he used & as a bitwise AND for these two w ...
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编程语言 时间：
2019-08-06 13:48:32
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99
2002年印度数学家Manindra Agrawal, Neeraj Kayal，Nitin Saxena 给出了一个是否为素数的判别准则。 $$(x-a)^p \equiv (x^p-a)(mod \ p)$$ 证： $\because (x-a)^p = x^p + \sum_{i=1}^{p- ...
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其他好文 时间：
2019-08-06 11:13:59
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132
Description After inventing Turing Tree, 3xian always felt boring when solving problems about intervals, because Turing Tree could easily have the sol ...
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其他好文 时间：
2019-08-06 10:35:39
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93
Roman numerals are represented by seven different symbols: I, V, X, L, C, D and M. For example, two is written as II in Roman numeral, just two one's ...
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其他好文 时间：
2019-08-05 15:45:05
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87
B: Mathematical Curse 题目描述 A prince of the Science Continent was imprisoned in a castle because of his contempt for mathematics when he was young, and ...
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其他好文 时间：
2019-08-03 11:02:51
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96
CSE 274Summer 2019Project #5Hash Table with Separate Chaining and TreesThere are 2 parts to this assignment: Complete the set that uses a hash table i ...
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其他好文 时间：
2019-08-01 20:10:31
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100
余数求和 对于任意整数 $x\in[1,n]$ 设 $g(x)=\lfloor\frac{k}{\lfloor\frac{k}{x}\rfloor}\rfloor$ $\because f(x)=k/x$ 单调递减 又 $g(x)=\lfloor\frac{k}{\lfloor\frac{k}{x} ...
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其他好文 时间：
2019-07-30 21:22:32
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90
While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path tha ...
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其他好文 时间：
2019-07-30 00:57:08
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131
