2017.12.08 00:02来自
shunfurh

- Kill the monster
- Problem Description There is a mountain near yifenfei’s hometown. On the mountain lived a big monster. As a...

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2017.12.07 23:25来自
shunfurh

- Triangle Conjecture
- Problem Description One could construct a triangle with the digit 1 to 9 as the figure below: ![](http://ac...

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2017.12.07 20:02来自
shunfurh

- War Chess
- Problem Description War chess is hh's favorite game: In this game, there is an N * M battle map, and every ...

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2017.12.07 00:12来自
shunfurh

- Hand in Hand
- Problem Description In order to get rid of Conan, Kaitou KID disguises himself as a teacher in the kinderga...

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- Another Brick in the Wall
- Problem Description After years as a brick-layer, you've been called upon to analyze the structural integri...

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2017.12.06 10:12来自
shunfurh

- Summits
- Problem Description You recently started working for the largest map drawing company in the Netherlands. Pa...

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2017.12.06 00:35来自
shunfurh

- Integer’s Power
- Problem Description LMY and YY are number theory lovers. They like to find and solve some interesting numbe...

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2017.12.05 23:20来自
shunfurh

- Electrical Outlets
- Problem Description Roy has just moved into a new apartment. Well, actually the apartment itself is not ver...

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2017.12.05 15:04来自
shunfurh

- Chain
- Problem Description Li Lei has many pearls of N different color. The number of each color is limited. Han M...

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2017.12.05 07:51来自
shunfurh

- Pseudoprime numbers
- Problem Description Fermat's theorem states that for any prime number p and for any integer a > 1, a^p == a...

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