oooccc1 is a Software Engineer who has to ride to the work place every Monday through Friday. For a long period, he went to office with the shortest path because he loves to sleep late…Time goes by, he find that he should have some changes as you could see, always riding with the same path is boring. oooccc1 is a Software Engineer who has to rid
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HDU3191-How many paths are there(次短路的长度及其个数)
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