https://www.acwing.com/problem/content/1998/

# include<iostream>
# include<cstring>
# include<algorithm>
using namespace std;
const int N=50010;
string minn[N],maxx[N];
string minc[N],maxc[N];
int main()
{
      ios::sync_with_stdio(false);
     cin.tie(nullptr);

    return 0;
} 

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