原题地址 终于做到线段树的题了,因为建树.更新.查询都是递归操作,所以其实挺好写的. 用数组存的树,记得MAX_NODE开成两倍叶节点数大小,否则RE啊..不要问我是怎么知道的. 代码: #include <iostream> #include <climits> using namespace std; #define MAX_NODE 2000008 int N, Q; struct SegmentTree { int left[MAX_NODE]; int right[MAX…
题目链接 In the traditional RMQ (Range Minimum Query) problem, we have a static array A. Then for each query (L, R)(L \leR), we report the minimum value among A[L], A[L + 1], ..., A[R]. Note that the indices start from 1, i.e. the left-most element is A[…
RMQ with Shifts 时间限制:1000 ms | 内存限制:65535 KB 难度:3 描述 In the traditional RMQ (Range Minimum Query) problem, we have a static array A. Then for each query (L, R) (L<=R), we report the minimum value among A[L], A[L+1], …, A[R]. Note that the ind…