- 2024-07-16C. Nezzar and Symmetric Array
原题链接真恶心code#include<bits/stdc++.h>#definelllonglongusingnamespacestd;constllN=114514;lla[200005],d[200005];boolsolve(){lln;cin>>n;for(lli=1;i<=2*n;i++)cin>>d[i];sort(d+1,d+1+2*n);for(i
- 2024-02-17P9325 [CCC 2023 S2] Symmetric Mountains
原题链接题解,请看题解区————能不能利用已经算过的值来减少后续计算量呢?如果你toolongonline2:n为一的时候只输出零code#include<bits/stdc++.h>usingnamespacestd;inta[5005]={0};intf[5005][5005]={0};intmain(){intn;cin>>n;for(inti=1
- 2023-11-05【刷题笔记】101. Symmetric Tree
题目Givenabinarytree,checkwhetheritisamirrorofitself(ie,symmetricarounditscenter).Forexample,thisbinarytree[1,2,2,3,4,4,3]issymmetric:1/\22/\/\3443Butthefollowing[1,2,2,null,3,null,3]isnot:1
- 2023-06-29Symmetric Tree
Giventherootofabinarytree,checkwhetheritisamirrorofitself(i.e.,symmetricarounditscenter).classSolution(object):defisSymmetric(self,root):ifnotroot: returnTruedefdfs(left,right): #递归的终止条件是两个节
- 2023-06-15对称点模式(symmetric dot pattern, SDP)-matlab版
近年来,一种直观的信号表示方法--对称点模式(symmetricdotpattern,SDP)被用于信号分析和模式识别。与一些常规方法不同,SDP是一种基于极坐标系的图像表示方法,可以直接将原始信号转换为镜像对称雪花图像,实现简单,计算量小,且对噪声鲁棒。模式之间的识别和区分与信号之间的幅度和频率
- 2023-05-30leetcode 101. Symmetric Tree
Givenabinarytree,checkwhetheritisamirrorofitself(ie,symmetricarounditscenter).Forexample,thisbinarytree[1,2,2,3,4,4,3]issymmetric:1/\22/\/\3443Butthefollowing[1,2,2,null,3,null,3]isnot:1/\2
- 2023-04-14UVA 12295 Optimal Symmetric Paths 最短路求方案数
题目:http://acm.hust.edu.cn/vjudge/problem/viewProblem.action?id=23587题意:给一个n*n的矩阵,每个方格中有一个数字,从左上角走到右下角,且路径必须关于副对角线对称,求使路线上数字和最小的方案数思路:既然要关于副对角线对称,那么可以把关于副对角线对称的方格的值加到一起去,这样就
- 2023-04-03网站https加密
Whenaclient(e.g.,awebbrowser)establishesasecureHTTPSconnectionwithaserver,thefollowingstepsoccurtoensurethesecurityofthecommunication:TheclientinitiatestheHTTPSconnectionbyrequestingasecureresourcefromtheserver,ty
- 2023-01-27【五期李伟平】CCF-A(CCS'17)Practical Multi-party Private Set Intersection from Symmetric-Key Technique
Kolesnikov,V.,etal."PracticalMulti-partyPrivateSetIntersectionfromSymmetric-KeyTechniques."AcmSigsacConferenceonComputer&CommunicationsSec
- 2023-01-05postgresql/lightdb OVERLAPS 和 BETWEEN SYMMETRIC函数介绍
PostgreSql/lightdb中有两个非常方便、有用的比较操作,OVERLAPS和BETWEENSYMMETRIC。1.OVERLAPS(重叠)OVERLAPS操作,用于检测两个日期范围是否重叠。举例:SELECT(
- 2022-11-12Applied Cryptography——对称加密(Symmetric Ciphers)
对称加密(SymmetricCiphers)对称加密(SymmetricCiphers)1.Cryptology,SymmetricCryptography&CorretnessProperty2.Kerchoff'sPrinciple&xor-function3.一
- 2022-09-22BM31对称二叉树(判断二叉树是否symmetric?)(递归)
描述给定一棵二叉树,判断其是否是自身的镜像(即:是否对称)例如: 下面这棵二叉树是对称的下面这棵二叉树不对称。数据范围
- 2022-09-07leetcode 101. Symmetric Tree 对称二叉树(简单)
一、题目大意给你一个二叉树的根节点root,检查它是否轴对称。示例1:输入:root=[1,2,2,3,4,4,3]输出:true示例2:输入:root=[1,2,2,null,3,null,3]输出:false