题目链接:点击跳转 Problem DescriptionPrincess CJB has lived almost her entire life in the isolated town of Ertona, where CJB uses her unique ability to recognize where crystals of materials are buried. By way

之前有写过一篇是老版本idea的(链接:点击跳转),这次是新的idea版本,所以操作过程略有不同,老版本的可以看我之前写的博客 首先,就是创建一个spring框架的项目,打开IDEA,File->new->Project->Spring Initializr->next。spring initializr如下图位置.然后在Dependencies里,要选4个东西,web里的

DescriptionChosen Problem Solving and Program design as an optional course, you are required to solve all kinds of problems. Here, we get a new problem. There is a very long board with length L centim

1.Dijkstra(适合于稠密图) 12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758#include<bits/stdc++.h>using namespace std;typedef long long ll;#def

123456#define endl '\n'inline void FAST_IO() { ios::sync_with_stdio(false); cin.tie(nullptr); cout.tie(nullptr);}

1.费马小定理 123456789101112typedef long long ll;const ll mod=998244353;inline ll qpow(ll a,ll b){ ll res=1; while(b>0){ if(b&1)res=res*a%mod; a=a*a%mod; b>&g

因为要开始尝试java web项目的制作，那就需要用到数据库来进行交互，所以就安装mysql和navicat来做准备。mysql安装参考博客：https://blog.csdn.net/qq_23994787/article/details/80648731 步骤一：下载mysql 5.7官方下载地址：https://dev.mysql.com/downloads/mysql/5.7.html#

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