HDU - 2586 How far away ?(LCA tarjan离线做法)
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)Total Submission(s): 19232 Accepted Submission(s): 7525Problem DescriptionThere are n houses in the vi
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2017-12-11 10:51:00 ·
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