摘要: ``` #include #include #include using namespace std; const int N = 1000010; int n,m; int a[N],b[N]; int L[N],R[N],pos[N]; int add[N]; void modify (int 阅读全文
posted @ 2023-06-22 15:25 incra 阅读(19) 评论(0) 推荐(0)