线段树入门基础题目集题解

HeartFireY 发布时间：2021-10-21 14:36:25 ，浏览量：4

※※※|-·-·-|返回总题目集合|-·-·-|※※※ 1.HDU1166 敌兵布阵单点修+区间查询+IO优化

题目要求单点修改，区间查询。按照线段树板子打下来即可。注意IO优化，关闭缓冲流后不可混用stdio和iostream，否则WA的飞起。。以及注意开四倍空间。

#include 
using namespace std;

const int N = 50000 + 10;
int n, tree[N


    
        
        
        
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