Problem - C - Codeforces(初识反悔贪心)
题目: 思路: 代码:
#include <bits/stdc.h>
#define fi first
#define se secondusing namespace std;
typedef pair<int,int> PII;string a, b, ans;
bool vis…
Lab: 通过 Web shell 上传远程执行代码
This lab contains a vulnerable image upload function. It doesn’t perform any validation on the files users upload before storing them on the server’s filesystem. 此实验室包含易受攻击的映像上传功能。在将用户上传的文件…