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1050. Numbers & LettersConstraintsTime Limit: 3 secs, Memory Limit: 32 MBDescriptionIn the early 80’s, a popular TV show on Dutch television was ‘Cijf... 阅读全文
posted @ 2014-10-06 11:46
XYZ篮球
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DescriptionThere are N cities and N-1 roads in Magic-Island. You can go from one city to any other. One road only connects two cities. One day, The ki... 阅读全文
posted @ 2014-10-06 00:46
XYZ篮球
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