CLRS/other/segmentTree.cpp Go to file Copy path Cannot retrieve contributors at this time 79 lines (67 sloc)2.21 KB RawBlame #include<iostream> #include<vector> usingnamespacestd; structSegmentTreeNode{ intstart, end, sum; SegmentTreeNode *left, *right; ...
从根节点开始,如果当前的线段不被查询的区间完全包含就一直分两段尝试,直到它被完全包含了,返回该线段的值然后继续递归其他的。 cpp llQuery(ll p, ll l, ll r, ll ql, ll qr){if(ql <= l && qr >= r){returnsum[p];}pushDown(p, l, r);ll mid = (l + r) >>1, ans =0;if(ql <=...
} TNode, *SegmentTree; typedefstructQNode{ /*队列的结点结构,队列用于层序遍历线段树*/ TNode* ptr2TNode; structQNode*next; } QNode, *Queue; SegmentTreebuild(int* arr,intl,intr); voidinOrder(SegmentTree T); voidpreOrder(SegmentTree T); voidpostOrder(SegmentTree T); voidlevelOrder(Segment...
# # This source code is licensed under the MIT license found in the # LICENSE file in the root directory of this source tree. set -e PLATFORM_NAME="${PLATFORM_NAME:-iphoneos}" CURRENT_ARCH="${CURRENT_ARCH}" if [ -z "$CURRENT_ARCH" ] || [ "...
cpp 考点: 线段树 题解: 线段树为二叉树,如果查询区间位于当前区间之中,返回max值即可,如果超出范围,返回极小值即可,继续向左右搜索。 /** * DefinitionofSegmentTreeNode: * class SegmentTreeNode { * public: * intstart,end,max; * SegmentTreeNode *left, *right; * SegmentTreeNode(intstart, intend,...
DynamicSegmentTree 徒影**徒影上传cpp DynamicSegmentTree是一种基于平衡二叉树的动态线段树,它的主要特点是在插入、删除和查询操作时,不需要遍历整个线段树,只需要遍历到需要更新的节点即可。这种数据结构可以有效地减少树的深度,提高查询和更新的效率。 DynamicSegmentTree的基本思想是将线段树分为两部分,一部分是叶子...
This is the benchmark, along with the four segment tree implementations I checked and a prefix sum for comparison.↵ ↵ <spoiler summary="Benchmark code">↵ ```cpp↵ #include <iostream>↵ #include <random>↵ #include <ctime>↵ ...
SegTreeNode* root = new SegTreeNode(0, n-1); init(root, 0, n-1);for (auto & building : buildings) sort(buildings.begin(), buildings.end(), [](vector<int>&a, vector<int>&b){return a[2]<b[2];});for (auto & building: buildings) ...
我花了几天打算自己写一个zero-copy的版本, 使用boost里现成的managed_shared_memory和interprocess_semphore, container/vector等库, 但压力测试一直有问题...
AVL treeto balance tree. Magiccally, the addtional functions arevery independentwith our old code. Here is some functions we need to add, it is not different from AVL tree: intlink(intll,intu,intrr){Left[u]=ll,Right[u]=rr;returnupdate(u),u;}intright_rotate(intu){intll=Left[u]...