codeforces segments 1858d trees

Codeforces Round 916 (Div. 3)(A~E2)

A 统计一下每个字母的出现次数然后输出即可 #include <bits/stdc++.h> #define rep(i,a,b) for(register int i = (a); i <= (b); ++i) #define fep(i,a,b) for(register int i = (a) ......
Codeforces Round 916 Div E2

CodeForces 1148H Holy Diver

洛谷传送门 CF 传送门 从套娃过来的。 首先考虑如何方便地描述所有子区间的 \(\text{mex}\)。这是一个经典套路,考虑扫描线,扫右端点 \(R\),维护一些极长的段 \([l, r]\) 表示 \([l, R], [l + 1, R], \ldots, [r, R]\) 的 \(\tex ......
CodeForces 1148H Diver 1148 Holy

a-tree-select的使用案例

<a-tree-select :maxTagCount="6" @deselect="deSelectQueryDetailTreeData" @select="initQueryDetailTreeData" style="width: 270px" v-model:value="formStat ......
a-tree-select 案例 select tree

CF1593E-Gardener-and-Tree-题解

title: CF1593E Gardener and Tree 题解 date: 2022-05-27 21:30:48 categories: - 题解 原题面 题意: 给出一个 \(n\) 个点的树,删除 \(k\) 次叶子节点,求剩下的节点数。 思路: 设 \(cnt_i\) 为 \(k\) ......

Codeforces Round 916 (Div. 3) (A~E2)

A. Problemsolving Log 签到题,对于给出的字符串,用数组记录每个字母出现的次数,然后遍历一边记录数组,如果对应的字母出现次数大于它的位次,则说明该字母对应的题目被解出来了,最后输出解题数量即可 void solve() { int n; cin >> n; string s; c ......
Codeforces Round 916 Div E2

[Codeforces] CF1795C Tea Tasting

CF1795C Tea Tasting 题意 有 \(n\) 个人和 \(n\) 杯茶,第 \(i\) 个人每次会喝 \(b_i\) 毫升的茶。第 \(i\) 杯茶有 \(a_i\) 毫升。总共会喝 \(n\) 轮茶,第 \(j\) 轮第 \(i\) 个人会尝试喝第 \(i+1-j\) 杯茶。喝的量 ......
Codeforces Tasting 1795C 1795 Tea

vscode中Todo Tree插件的使用

vscode中Todo Tree插件的使用 配置JSON 将下方的JSON代码放入用户配置中 复制JSON配置后,点击这里,然后粘贴。 "todo-tree.tree.showScanModeButton": false, "todo-tree.filtering.excludeGlobs": [" ......
插件 vscode Todo Tree

Educational Codeforces Round 160 (Rated for Div. 2) 题解A~D

Educational Codeforces Round 160 (Rated for Div. 2) A. Rating Increase 纯暴力,分割字符串,如果n1<n2就输出,如果遍历完整个数组都不存在n1<n2就输出-1. const int N = 2e5 + 10; int toint ......
题解 Educational Codeforces Round Rated

Educational Codeforces Round 160 (Rated for Div. 2) A~C

A. Rating Increase 题意: 将一个字符串分成两个整数a和b,要求没有前导0,且a < b 思路: 遍历字符串s,若当前位置不是0,则拆分字符串,比较大小 // #include <bits/stdc++.h> #include <iostream> #include <string ......
Educational Codeforces Round Rated 160

Educational Codeforces Round 160 (Rated for Div. 2)

基本情况 A题秒了。 B题卡了实在太久,BC题最后虽然都过了,但是耗时太久。感觉C对我来说更好写。 B. Swap and Delete 经典+3。 总是一条路偏要走到黑了才会想着换思路,早该换了。 一开始想了一大堆乱七八糟的思路,但都错了。 后面往简单了想,这题毕竟最后必须要左对齐的,直接从左往右 ......
Educational Codeforces Round Rated 160

CF1901E Compressed Tree 题解

原题链接:CF1901E,树形 dp + 神奇分类讨论。 很容易想到树形 dp。难点在于如何转移以及统计答案,需要大量分讨。 父亲(及其以上)和自己组成连通块,不缩。(只保留自己并且往上传递) 连通块中只有自己一个(记录答案) 一个儿子和自己组成连通块,且自己作为根节点,不和父亲收缩(记录答案) 一 ......
题解 Compressed 1901E 1901 Tree

树 Tree uva548

原题链接 高中信息题就有给你中序遍历和后序遍历让你求前序遍历的题目。这道题就是根据这两个遍历创建出对应的树,然后根据DFS(深度优先搜索)去求出最小路径。 主要代码: #include<bits/stdc++.h> using namespace std; const int Max=10000+1 ......
Tree 548 uva

树的层次遍历 Trees on the level uva122

原题链接 这道题可以说基本涵盖了树的大部分知识点——树的创建,树的生成,树的删除,树的BFS(宽度优先搜索)。个人认为是学习树时很具有价值的一道题目。 题目意思很好理解,讨论区的题解写的也比本人优秀太多了,这里就不具体分析了。 ......
层次 Trees level 122 the

【题解】CodeForces-1913

CodeForces-1913A Rating Increase 依题意模拟。 提交记录:Submission - CodeForces CodeForces-1913B Swap and Delete 交换免费就是能任意重排,从头开始尽量填相反的,剩下只能删去了。 提交记录:Submission ......
题解 CodeForces 1913

【题解】CodeForces-1905

CodeForces-1905A Constructive Problems 发现沿着对角线放就行了,答案是 \(\max(n+m)\)。 提交记录:Submission - CodeForces CodeForces-1905B Begginer's Zelda 最优操作每次删两个叶子(除了最后一 ......
题解 CodeForces 1905

Educational Codeforces Round 160 (Rated for Div. 2)

比赛录屏 \(A. Rating Increase\) https://codeforces.com/contest/1913/submission/237734923 \(B. Swap and Delete\) https://codeforces.com/contest/1913/submis ......
Educational Codeforces Round Rated 160

Educational Codeforces Round 160

总结 被edu撅飞力 只会前三题,掉绿指日可待 我这种彩笔还是不适合div.2 A 直接模拟,注意细节 #include<bits/stdc++.h> #define ll long long using namespace std; ll p[15] = {1}; void solve() { l ......
Educational Codeforces Round 160

回顾经典之neko_tree

一.neko_tree 猫neko树是一种维护序列的数据结构。在处理绝大多数线段树能处理的问题(如最大子段和,区间最大值,区间\(gcd\)等满足结合律且能快速合并的信息)上能做到\(O(nlogn)\)预处理后\(O(1)\)的询问。但是不支持修改。 neko树怎么维护信息?想象在线段树上取得区间 ......
neko_tree 经典 neko tree

CF1867F Most Different Tree记录

题目链接:https://codeforces.com/contest/1867/problem/F 题意简述 记 \(P(T)\) 为一棵树 \(T\) 的所有子树的集合。给定一棵 \(n\) 个点的树 \(T\),找出点数相同的树 \(T'\),使 \(P(T')\) 的“与 \(P(T)\) ......
Different 1867F 1867 Most Tree

Educational Codeforces Round 132 (Rated for Div. 2)

基本情况 AB秒了。C跨度有点太大,题解暂时都还没理解。 C. Recover an RBS Problem - C - Codeforces 待补题 ......
Educational Codeforces Round Rated 132

SegNeXt: Rethinking Convolutional Attention Design for Semantic Segmentation

SegNeXt: Rethinking Convolutional Attention Design for Semantic Segmentation * Authors: [[Meng-Hao Guo]], [[Cheng-Ze Lu]], [[Qibin Hou]], [[Zhengning ......

CCNet: Criss-Cross Attention for Semantic Segmentation

CCNet: Criss-Cross Attention for Semantic Segmentation * Authors: [[Zilong Huang]], [[Xinggang Wang]], [[Yunchao Wei]], [[Lichao Huang]], [[Humphrey S ......

Dual Attention Network for Scene Segmentation:双线并行的注意力

Dual Attention Network for Scene Segmentation * Authors: [[Jun Fu]], [[Jing Liu]], [[Haijie Tian]], [[Yong Li]], [[Yongjun Bao]], [[Zhiwei Fang]], [[H ......

Fully convolutional networks for semantic segmentation

Fully convolutional networks for semantic segmentation * Authors: [[Jonathan Long]], [[Evan Shelhamer]], [[Trevor Darrell]] DOI: 10.1109/CVPR.2015.729 ......

U-Net: Convolutional Networks for Biomedical Image Segmentation

U-Net: Convolutional Networks for Biomedical Image Segmentation * Authors: [[Olaf Ronneberger]], [[Philipp Fischer]], [[Thomas Brox]] Local library 初读 ......

SeaFormer: Squeeze-enhanced Axial Transformer for Mobile Semantic Segmentation

SeaFormer: Squeeze-enhanced Axial Transformer for Mobile Semantic Segmentation * Authors: [[Qiang Wan]], [[Zilong Huang]], [[Jiachen Lu]], [[Gang Yu]] ......

RefineNet: Multi-path Refinement Networks for High-Resolution Semantic Segmentation

RefineNet: Multi-path Refinement Networks for High-Resolution Semantic Segmentation * Authors: [[Guosheng Lin]], [[Anton Milan]], [[Chunhua Shen]], [[ ......

Expectation-Maximization Attention Networks for Semantic Segmentation 使用了EM算法的注意力

Expectation-Maximization Attention Networks for Semantic Segmentation * Authors: [[Xia Li]], [[Zhisheng Zhong]], [[Jianlong Wu]], [[Yibo Yang]], [[Zho ......

UNetFormer: A UNet-like transformer for efficient semantic segmentation of remote sensing urban scene imagery

UNetFormer: A UNet-like transformer for efficient semantic segmentation of remote sensing urban scene imagery * Authors: [[Libo Wang]], [[Rui Li]], [[ ......

SegViT: Semantic Segmentation with Plain Vision Transformers

SegViT: Semantic Segmentation with Plain Vision Transformers * Authors: [[Bowen Zhang]], [[Zhi Tian]], [[Quan Tang]], [[Xiangxiang Chu]], [[Xiaolin We ......
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