A supply chain is a network of retailers(零售商), distributors(经销商), and suppliers(供应商)-- everyone involved in moving a product from supplier to customer. Starting from one root supplier, everyone on th
参看资料: https://blog.csdn.net/rain722/article/details/75418642 题目: The SDOI in 20452045 is far from what it was been 3030 years ago. Each competition has ttminutes and nn problems. The ithith pro
文章目录 题目分析题目链接 题目分析 来源:acwing 和PAT甲级1079 Total Sales of Supply Chain:[C++题解] 树、结点到根结点的距离、树形dp、记忆化搜索是同一题,题解思路请移步。 AC代码 #include<bits/stdc++.h>using namespace std;const int N = 1e5+10;int
一、Cordova12 启动编译报错 No usable Android build tools found. Highest 33.x installed version is 30.0.3; Recommended version is 33.0.2. FAILURE: Build failed with an exception.* Where:Script 'G:\QLTest\Ap