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  • protobuf和grpc2022-06-26 00:31:34

    一、grpc安装   在安装之前确保已经安装好了c/c++的编译环境(指令:sudo apt install -y build-essential autoconf libtool pkg-config)以及cmake、openssl等工具。   (1)下载grpc git clone https://github.com/grpc/grpc.git cd grpc git submodule update --init   (2)编译安

  • [atAGC054E]ZigZag Break2021-10-02 22:34:57

    结论:(不妨假设$p_{1}<p_{n}$)$\{p_{i}\}$合法当且仅当$\exists 1\le i\le n-1$,使得$p_{1}\ge p_{i}$且$p_{i+1}\ge p_{n}$ 充分性—— 为了方便,在删除一个元素后,$i$和$n$也随之变化(指向原来的元素,若删除$p_{i}$或$p_{n}$会补充说明) 对$\{p_{1},p_{2},...,p_{i}\}$这个子问题不断删

  • zigzag走线原理及应用2021-09-05 09:33:54

    电路板上弯弯扭扭的走线有什么用 往期文章: 一文读懂高速互联的阻抗及反射(上) 一文读懂高速互联的阻抗及反射(中) 前面几篇文章有部分读者反馈太深奥,不好懂,要求来一点轻松易懂的。这不,它来了!本期文章我们来分享近期工作中的一个小故事。 一段奇怪的走线 这一天,工程师小明像往常一样

  • ZigZag Conversion(C++字形变换)2021-06-04 09:34:18

    (1)求出矩阵大小,设置访问反向顺序 class Solution { public: vector<vector<int>> v={{1,0},{-1,1}}; public: string convert(string s, int numRows) { int len=s.length(); if(numRows==1) return s; int col=len/(2*numRows-2); c

  • 2021-04-02:给定一个正方形或者长方形矩阵matrix,实现zigzag打印。[[0,1,22021-04-02 23:51:21

    2021-04-02:给定一个正方形或者长方形矩阵matrix,实现zigzag打印。[[0,1,2],[3,4,5],[6,7,8]]的打印顺序是0,1,3,6,4,2,5,7,8。 福大大 答案2021-04-02: 两个for循环嵌套。外层循环。先遍历第一列,再遍历不包含列号为0的最后一行。每循环一次,修改标志位。内层循环。根据标志位判断,从左

  • 2021-04-02:给定一个正方形或者长方形矩阵matrix,实现zigzag打印。[[0,1,22021-04-02 23:01:32

    2021-04-02:给定一个正方形或者长方形矩阵matrix,实现zigzag打印。[[0,1,2],[3,4,5],[6,7,8]]的打印顺序是0,1,3,6,4,2,5,7,8。 福大大 答案2021-04-02: 两个for循环嵌套。外层循环。先遍历第一列,再遍历不包含列号为0的最后一行。每循环一次,修改标志位。内层循环。根据标志位判断,从左

  • 2021-04-02:给定一个正方形或者长方形矩阵matrix,实现zigzag打印。[[0,1,22021-04-02 23:01:12

    2021-04-02:给定一个正方形或者长方形矩阵matrix,实现zigzag打印。[[0,1,2],[3,4,5],[6,7,8]]的打印顺序是0,1,3,6,4,2,5,7,8。 福大大 答案2021-04-02: 两个for循环嵌套。外层循环。先遍历第一列,再遍历不包含列号为0的最后一行。每循环一次,修改标志位。内层循环。根据标志位判断,从左

  • LeetCode 6. ZigZag Conversion2021-03-08 18:33:10

    The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line: "

  • 281. Zigzag Iterator z字型遍历2020-09-27 09:34:26

    Given two 1d vectors, implement an iterator to return their elements alternately.   Example: Input: v1 = [1,2] v2 = [3,4,5,6] Output: [1,3,2,4,5,6] Explanation: By calling next repeatedly until hasNext returns false, the order of elements returned by nex

  • CF1147F Zigzag Game2020-09-16 06:02:29

    题目链接 尝试构造这样一组匹配:满足对于任意两条匹配边 \(a\leftrightarrow b,c\leftrightarrow d\),若存在非匹配边 \(b\leftrightarrow c\) 且 \(w(b,c)<w(a,b)\),则一定有 \(w(c,d)\)。这样我们选择后手Bob,每次沿着匹配边走,一定能获得胜利(若Alice选择升序则令 \(w(i,j)=-w(i,j)\)

  • 【LeetCode】6. ZigZag Conversion2020-05-18 22:54:31

    目录题目链接注意点解法测试代码遇到问题小结 题目链接 https://leetcode.com/problems/zigzag-conversion/ 注意点 给定行数可以为1 解法 解法1:找规律。找到每个字符变化前的初始位置与变化后的行数的映射关系。当指定行数为numRows (numRows >1)时,每(numRows -1)*2个连续的字符

  • 1372. Longest ZigZag Path in a Binary Tree2020-03-09 18:36:36

    减掉一个分支,否则会超时的。已经走过的路就不再走了。 /** * Definition for a binary tree node. * struct TreeNode { * int val; * TreeNode *left; * TreeNode *right; * TreeNode(int x) : val(x), left(NULL), right(NULL) {} * }; */ class

  • 6. ZigZag Conversion2020-02-29 20:10:06

    本题告诉我们,对于sort的重定义函数,应该要写在类外面,否则会报错。 // sort pair bool cmp(const pair<int,int>& a, const pair<int,int>& b) { if (a.first<b.first){ return true; } else if (a.first>b.first){ return false; } els

  • 1104. Path In Zigzag Labelled Binary Tree**2020-02-29 20:02:05

    1104. Path In Zigzag Labelled Binary Tree** https://leetcode.com/problems/path-in-zigzag-labelled-binary-tree/ 题目描述 In an infinite binary tree where every node has two children, the nodes are labelled in row order. In the odd numbered rows (ie., the

  • Zigzag Iterator2019-12-21 22:52:35

    Description Given two 1d vectors, implement an iterator to return their elements alternately. Example Example1 Input: v1 = [1, 2] and v2 = [3, 4, 5, 6]Output: [1, 3, 2, 4, 5, 6]Explanation: By calling next repeatedly until hasNext returns false, the

  • Zigzag Iterator II2019-12-21 22:51:06

    Description Follow up Zigzag Iterator: What if you are given k 1d vectors? How well can your code be extended to such cases? The "Zigzag" order is not clearly defined and is ambiguous for k > 2 cases. If "Zigzag" does not look right

  • 6. Z 字形变换_ZigZag Conversion2019-09-06 19:38:45

    ZigZag Conversion 将一个给定字符串根据给定的行数,以从上往下、从左到右进行 Z 字形排列。 题目来源:力扣(LeetCode)链接:https://leetcode-cn.com/problems/zigzag-conversion The string “PAYPALISHIRING” is written in a zigzag pattern on a given number of rows like

  • 6. ZigZag Conversion2019-08-26 16:37:34

    The string “PAYPALISHIRING” is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line: “PAHNAPLSI

  • ZigZag Conversion2019-06-23 19:49:56

    题目描述: The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line:

  • lc6 ZigZag Conversion2019-06-03 13:39:58

    lc6 ZigZag Conversion 分成两步, 第一步垂直向下, 1 1 1 1 第二步倾斜向上 1      1  1    1 1  1 1   用nRows个StringBuilder 然后将他们合并即可  1 class Solution { 2 public String convert(String s, int numRows) { 3 if(s.length() < numRows

  • string leetcode-6.ZigZag2019-05-09 22:44:13

    6. ZigZag Conversion 题面 The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H NA P L S I I GY I R And then rea

  • leetcode-6 ZigZag Conversion2019-04-11 10:53:17

    The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S I I G Y I R And then read line by line: &quo

  • 【AtCoder2134】ZigZag MST(最小生成树)2019-03-01 15:02:53

    【AtCoder2134】ZigZag MST(最小生成树) 题面 洛谷 AtCoder 题解 这题就很鬼畜。。 既然每次连边,连出来的边的权值是递增的,所以拿个线段树xjb维护一下就可以做了。那么意味着只有前面的点集被连在一起之后才可能选择后面的边,因此我们可以强制修改一下边的连接方式,只需要把新加入的点

  • AT2134 Zigzag MST 最小生成树2019-03-01 13:02:55

    正解:最小生成树 解题报告: 先放下传送门QAQ 然后这题,首先可以发现这神奇的连边方式真是令人头大,,,显然要考虑转化掉QAQ 大概看一下可以发现点对的规律是,左边++,交换位置,再仔细想下,就每个点会连上相邻两点,也就相邻两点会通过另外一个点连边 首先可以发现加到后来已经是麻油意

  • LeetCode刷题笔记--6. ZigZag Conversion-记录考虑不周的算法,悲剧的重写2019-03-01 10:47:25

    6. ZigZag Conversion Medium 9022823FavoriteShare The string "PAYPALISHIRING" is written in a zigzag pattern on a given number of rows like this: (you may want to display this pattern in a fixed font for better legibility) P A H N A P L S

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