暴力搜索加剪枝~ #include<bits/stdc++.h> using namespace std; ; const int inf=1e9; int g[maxn][maxn]; int c[maxn]; int N,M; int mincost=1e9; ; int flag; ; ; bool visit[maxn]; vector<int> path,tmp; void dfs (int v,int direction) { tle++; if (tle>1e5…
当运行程序时,会出现如下警告: Warning: strftime(): It is not safe to rely on the system's timezone settings. You are *required* to use the date.timezone setting or the date_default_timezone_set() function. In case you used any of those methods and you are still ge…
The most interesting addition to Ruby 2.3.0 is the Safe Navigation Operator(&.). A similar operator has been present in C# and Groovy for a long time with a slightly different syntax - ?.. So what does it do? Scenario Imagine you have an account that…
原题连接:https://pta.patest.cn/pta/test/16/exam/4/question/677 题目如下: The ranklist of PAT is generated from the status list, which shows the scores of the submissions. This time you are supposed to generate the ranklist for PAT. Input Specification: Each…