【hdu5266】pog loves szh III (LCA+线段树)
题意:给一颗树,Q次询问L,L+1,L+2...R的LCA题目传送门以LCA为权建线段树,直接查询即可(我用树剖找LCA)代码:#include<iostream>#include<iomanip>#include<stack>#include<queue>#include<list>#include<...
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2018-04-11 17:29:24 ·
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