each 3492个问题
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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