摘要: ```cpp include using namespace std; const int N=500005; struct node{ int pos,val,id; bool operator pos;} }; struct data{int l,r,pos;}q[N]; int n,m,a[N 阅读全文
posted @ 2019-08-05 23:20 アインツベルン 阅读(191) 评论(0) 推荐(0) 编辑
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