qq_44324822的博客

动态求连续区间和动态求连续区间和 线段树模板题：#include <iostream>#define MAX 100005using namespace std;struct Node{ int l, r, val; Node(){}; Node(int _l, int _r, int _v){ l = _l, r = _r, val = _v; }};typedef struct Node Node;int n, m;int arr[MAX];No.