2017.12.11 01:09来自
shunfurh

- Adopt or not
- Problem Description A two-party system is a form of party system where two major political parties dominate...

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2017.12.11 00:51来自
shunfurh

- Bob's trouble
- Problem Description Bob is a journalist, nowadays,he has a trouble. You know ,the Olympic Games is around t...

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2017.12.11 00:38来自
shunfurh

- The nearest fraction
- Problem Description Find the fraction closest to sqrt(N), the denominator of the fraction is no more than M...

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2017.12.11 00:24来自
shunfurh

- Man Down
- Problem Description The Game “Man Down 100 floors” is an famous and interesting game.You can enjoy the game...

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2017.12.11 00:15来自
shunfurh

- Cut Pyramid
- Problem Description Yaya and maomao have a cake. And the shape of the cake is a pyramid. As the following p...

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2017.12.11 00:10来自
shunfurh

- Mario and Mushrooms
- Problem Description Mario usually relaxes himself by walking along the shady track near the Mushroom Kingdo...

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2017.12.11 00:02来自
shunfurh

- YY's new problem
- Problem Description Given a permutation P of 1 to N, YY wants to know whether there exists such three eleme...

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2017.12.10 23:45来自
shunfurh

- Equivalent Sets
- Problem Description To prove two sets A and B are equivalent, we can first prove A is a subset of B, and th...

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2017.12.10 21:52来自
shunfurh

- R(N)
- Problem Description We know that some positive integer x can be expressed as x=A^2+B^2(A,B are integers). T...

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2017.12.10 21:32来自
shunfurh

- Magic Sticks
- Problem Description Magic was accepted by all ancient peoples as a technique to compel the help of divine p...

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