2017.11.22 00:30来自
shunfurh

- Route Redundancy
- Problem Description A city is made up exclusively of one-way steets.each street in the city has a capacity,...

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2017.11.22 00:22来自
shunfurh

- Flooring Tiles
- Problem Description You want to decorate your floor with square tiles. You like rectangles. With six square...

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2017.11.21 20:39来自
shunfurh

- Assassin’s Creed
- Problem Description Ezio Auditore is a great master as an assassin. Now he has prowled in the enemies’ base...

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2017.11.21 20:27来自
shunfurh

- Vive la Difference!
- Problem Description Take any four positive integers: a, b, c, d. Form four more, like this: |a-b| |b-c| |c-...

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2017.11.21 19:54来自
shunfurh

- Splendid Moment Collector
- Problem Description Being a traveler is always an exciting and memorable experience, especially for iSea. H...

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2017.11.21 18:44来自
shunfurh

- I'm Telling the Truth
- Problem Description After this year’s college-entrance exam, the teacher did a survey in his class on stude...

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2017.11.21 14:39来自
shunfurh

- Query on a tree
- Problem Description There are some queries on a tree which has n nodes. Every query is described as two i...

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2017.11.21 14:22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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2017.11.21 13:33来自
shunfurh

- Downward paths
- Problem Description ================ Hi! I am an ACMer from CSU. This contest made by me is to celebrate ...

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2017.11.21 11:03来自
shunfurh

- No place to hide
- Problem Description It was in a dark daybreak. Dr. Gneh, who was a crazy scientist once trying to dominate ...

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