摘要: #include struct Tree { Tree *lc,*rc; int l,r; int v,lazy; Tree(int l=0,int r=0) :l(l),r(r),v(0),lazy(0) {} void build() { if (l == r) return ; int ... 阅读全文
posted @ 2016-01-20 14:14 92度的苍蓝 阅读(234) 评论(0) 推荐(0) 编辑
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