codeforces 339C Xenia and Bit Operations(线段树水题)
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转载请注明出处:http://www.cnblogs.com/fraud/ ——by fraudXenia and Bit OperationsXenia the beginner programmer has a sequencea, consisting of2nnon-negative int... 阅读全文
posted @ 2015-03-30 00:56 xyiyy 阅读(269) 评论(0) 推荐(0) 编辑