You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…
你是产品经理,目前正在领导一个团队开发一个新产品.不幸的是,您的产品的最新版本没有通过质量检查.由于每个版本都是基于之前的版本开发的,所以错误版本之后的所有版本都是不好的.假设你有 n 个版本 [1, 2, ..., n],你想找出第一个错误的版本,导致下面所有的错误.你可以通过 bool isBadVersion(version) 的接口来判断版本号 version 是否在单元测试中出错.实现一个函数来查找第一个错误的版本.您应该尽量减少对 API 的调用次数. 详见:https://leet…
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…
题意:找到第一个出问题的版本 二分查找,注意 mid = l + (r - l + 1) / 2;因为整数会溢出 // Forward declaration of isBadVersion API. bool isBadVersion(int version); class Solution { public: int firstBadVersion(int n) { , r = n , ans ; while(l <= r){ ) / ; if(!isBadVersion(mid)){ l…
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…
题目描述: You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a…
题目: You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a ba…
Compare two version numbers version1 and version2.If version1 > version2 return 1, if version1 < version2 return -1, otherwise return 0. You may assume that the version strings are non-empty and contain only digits and the . character.The . characte…
704. Binary Search 1.使用start+1 < end,这样保证最后剩两个数 2.mid = start + (end - start)/2,这样避免接近max-int导致的溢出 3.start.end直接等于mid 4.最后比较两个位置 class Solution { public: int search(vector<int>& nums, int target) { if(nums.empty()) ; ; ; int mid; < end){ m…
Question 278. First Bad Version Solution 题目大意:产品有5个版本1,2,3,4,5其中下一个版本依赖上一个版本,即版本4是坏的,5也就是坏的,现在要求哪个版本是第一个坏的. 思路:二分法,middle-1好,middle坏,middle就是第一个坏的版本 Java实现: /* The isBadVersion API is defined in the parent class VersionControl. boolean isBadVersion(i…
problem 278. First Bad Version solution1:遍历: // Forward declaration of isBadVersion API. bool isBadVersion(int version); class Solution { public: int firstBadVersion(int n) { ; while(ver<n) { if(isBadVersion(ver)) return ver; ver++; } return ver; } }…
题目: You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a ba…
目录 # 前端与算法 leetcode 387. 字符串中的第一个唯一字符 题目描述 概要 提示 解析 解法一:双循环 解法二:Set法单循环 算法 传入测试用例的运行结果 执行结果 GitHub仓库 查看更多 # 前端与算法 leetcode 387. 字符串中的第一个唯一字符 题目描述 给定一个字符串,找到它的第一个不重复的字符,并返回它的索引.如果不存在,则返回 -1. 案例: s = "leetcode" 返回 0. s = "loveleetcode",…
Leetcode 春季打卡活动 第一题:225. 用队列实现栈 Leetcode 春季打卡活动 第一题:225. 用队列实现栈 解题思路 这里用了非常简单的思路,就是在push函数上做点操作,让队头总是最后一个元素即可. 也就是说,每新进一个新元素,就把前面的所有元素逐个弹出放到队尾即可. Talk is cheap . Show me the code . class MyStack { public: queue<int> que; int size,temp; /** Initializ…
[LeetCode]165. Compare Version Numbers 解题报告(Python) 标签(空格分隔): LeetCode 作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.me/ 题目地址:https://leetcode.com/problems/compare-version-numbers/description/ 题目描述: Compare two version numbers version1 and vers…
CISCO运维记录之3650堆叠设备升级IOS(Version 16.3.6版本存在bug) 思科3000系列交换机使用cat3k_caa-universalk9.16.3.6版本存在bug,设备运行一段时间后,内存使用率超过80%~95% ,以下是监控系统告警记录: show platform software status control-processor brief 显示平台软件状态控制处理器 官方显示推荐版本16.3.7 & 16.6.4 : CISCO 3560 升级IOS步骤 :…
2022年1月20日,Spring官方发布了Spring Boot 3.0.0的第一个里程碑版本M1. 下面一起来来看看Spring Boot 3.0.0 M1版本都有哪些重大变化: Java基线从 Java 8 提升到了 Java 17 这个在最早的Spring Boot 3相关预告中就已经知道了,Java 17将成为未来的主流版本.那么问题来了,大家都把Java 17的升级提上日程了吗?如果你对Java 8之后的各种版本的信息不太了解的话,这里有份 4.6 W 字的总结,或许你可以读一读.…
278. 第一个错误的版本 LeetCode278. First Bad Version 题目描述 你是产品经理,目前正在带领一个团队开发新的产品.不幸的是,你的产品的最新版本没有通过质量检测.由于每个版本都是基于之前的版本开发的,所以错误的版本之后的所有版本都是错的. 假设你有 n 个版本 [1, 2, ..., n],你想找出导致之后所有版本出错的第一个错误的版本. 你可以通过调用 bool isBadVersion(version) 接口来判断版本号 version 是否在单元测试中出错.…
278. 第一个错误的版本 你是产品经理,目前正在带领一个团队开发新的产品.不幸的是,你的产品的最新版本没有通过质量检测.由于每个版本都是基于之前的版本开发的,所以错误的版本之后的所有版本都是错的. 假设你有 n 个版本 [1, 2, -, n],你想找出导致之后所有版本出错的第一个错误的版本. 你可以通过调用 bool isBadVersion(version) 接口来判断版本号 version 是否在单元测试中出错.实现一个函数来查找第一个错误的版本.你应该尽量减少对调用 API 的次数.…
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…
作者: 负雪明烛 id: fuxuemingzhu 个人博客: http://fuxuemingzhu.cn/ 目录 题目描述 解题方法 二分查找 日期 题目地址:https://leetcode.com/problems/first-bad-version/description/ 题目描述 You are a product manager and currently leading a team to develop a new product. Unfortunately, the la…
#-*- coding: UTF-8 -*-# The isBadVersion API is already defined for you.# @param version, an integer# @return a bool# def isBadVersion(version):class Solution(object):    def firstBadVersion(self, n):        """        :type n: int        :…
问题 该文章的最新版本已迁移至个人博客[比特飞],单击链接 https://www.byteflying.com/archives/3985 访问. 你是产品经理,目前正在带领一个团队开发新的产品.不幸的是,你的产品的最新版本没有通过质量检测.由于每个版本都是基于之前的版本开发的,所以错误的版本之后的所有版本都是错的. 假设你有 n 个版本 [1, 2, ..., n],你想找出导致之后所有版本出错的第一个错误的版本. 你可以通过调用 bool isBadVersion(version) 接口来…
题目 第一个错误的代码版本 代码库的版本号是从 1 到 n 的整数.某一天,有人提交了错误版本的代码,因此造成自身及之后版本的代码在单元测试中均出错.请找出第一个错误的版本号. 你可以通过 isBadVersion 的接口来判断版本号 version 是否在单元测试中出错,具体接口详情和调用方法请见代码的注释部分. 样例 给出 n=5 调用isBadVersion(3),得到false 调用isBadVersion(5),得到true 调用isBadVersion(4),得到true 此时我们可…
题目: You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a ba…
一天一道LeetCode 本系列文章已全部上传至我的github,地址:ZeeCoder's Github 欢迎大家关注我的新浪微博,我的新浪微博 欢迎转载,转载请注明出处 (一)题目 来源: https://leetcode.com/problems/compare-version-numbers/ Compare two version numbers version1 and version2. If version1 > version2 return 1, if version1 <…
有一系列产品,从某个开始其后都不合格,给定一个判断是否合格的函数,找出N个产品中第一个不合格的产品. 正确答案: // Forward declaration of isBadVersion API. bool isBadVersion(int version); class Solution { public: int firstBadVersion(int n) { ; int high = n; ; while (low < high) { ver = low + (high - low)…
You are a product manager and currently leading a team to develop a new product. Unfortunately, the latest version of your product fails the quality check. Since each version is developed based on the previous version, all the versions after a bad ve…