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Problem G Repairing a Road You live in a small town with R bidirectional roads connecting C crossings and you want to go from crossing 1 to crossing C 阅读全文
posted @ 2016-09-05 07:57
红雨520
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Problem F Biggest Number You have a maze with obstacles and non-zero digits in it: You can start from any square, walk in the maze, and finally stop a 阅读全文
posted @ 2016-09-05 07:23
红雨520
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