#include<bits/stdc++.h> #include<windows.h> using namespace std; string s; char c[1001]; int main(){ cin>>s; s="start https://www.luogu.com.cn/problem/solution/"+s; for(int i=0;i<s.size();i++) c[i]=s[i]; system(c); }
输入洛谷题号,然后就是奇迹