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一年后，蓦然回首，才发现题目给的是一个凸包，根本不需要费力的排序，复杂度从O(nlognlogn)降到了O(nlogn)，6s飘过In Reply To:好不容易学了排序增量算法，还没A几题，竟然就T死在这里了，我再也不相信爱情了！！ Posted by:dut200901102 at 2011-08-11 23:03:18 Followed by:
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