HDU 4460 Friend Chains（BFS）
Friend Chains
Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 4943 Accepted Submission(s): 1603
Problem Description
For a group of p
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2016-08-08 21:05:34 ·
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