PhantomAgony
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线段树
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[Codeforces 242.E] XOR on Segment(线段树)
08-23
[NOIP2017 D2 T3]列队(线段树/平衡树)
04-30
[ZJOI2008]树的统计(树链剖分,线段树)
04-29
[SDOI2011]染色(树链剖分,线段树)
04-28