There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as possible in each path. When he move along a path, he can choose one city to bu…

There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as possible in each path. When he move along a path, he can choose one city to bu…

The merchant Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 4800   Accepted: 1666 Description There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and w…

如果直接在一条直线上,那么就建线段树 考虑每一个区间维护最小值和最大值和答案,就符合了合并的条件,一个log轻松做 那么在树上只要套一个树剖就搞定了,多一个log也不是问题 注意考虑在树上的话每一条链都有可能是正着被用和反着被用,所以存两个答案 所以维护信息只需要一个merge和一个reverse 代码如下: #include <cstdio> #include <iostream> #define mid (l+r>>1) using namespace std; s…

The merchant Time Limit: 3000MS   Memory Limit: 65536K Total Submissions: 4556   Accepted: 1576 Description There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and w…

传送门 Time Limit: 3000MS Memory Limit: 65536K Description There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as possible in each path.…

Description There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as possible in each path. When he move along a path, he can choose on…

ThoughtWorks笔试题之Merchant's Guide To The Galaxy解析 一.背景 在某网站上看到ThoughtWorks在武汉招人,待遇在本地还算不错,就投递了简历.第二天HR就打开电话,基本了解了一下情况(工作环境不错,男人妹子比例:1:1,双休,六险一金,满一年年假15天,病假8天,月薪1W--2W).然后立马收到一封:Coding Assignment的笔试题目.网上搜索了一下,发现这个公司还是挺大的,公司面试流程是出了名的繁杂和苛刻.据说有8轮:电话面试=>笔试…

Description There are N cities in a country, and there is one and only one simple path between each pair of cities. A merchant has chosen some paths and wants to earn as much money as possible in each path. When he move along a path, he can choose on…

最近在做一个opencart项目,有对接Google Merchant Center,但是一直提示产品图片验证无法通过,ytkah看了一下图片路径,/image/cache/catalog/demo/iphone_1-200x200.jpg,里面加了一个cache和压缩的尺寸,有可能就是这个原因.马上改,找到文件/catalog/controller/product/product.php,第256行左右(为了不改变源码,用//注释了源代码,填加新的popup调用方式) if ($product…