ez!!

#include<iostream>
using namespace std;
int main(){
    int all[114541],h[114514]={},l[114514]={},a,b;
    cin>>a>>b;
    for(int j=1;j<=a*b;j++)cin>>all[j];
    for(int j=1;j<=a*b;j++){
        int high=0,low=0,k=1; 
        for(int i=j;i<=a*b;i+=b){
            if(high==0||high<=all[i])high=all[i];
            if(low==0||low>=all[i])low=all[i];
        }
        h[j]=high;
        l[j]=low;
    }
    for(int i=1;i<=b;i++){
        cout<<h[i]<<" ";
    }
    cout<<endl;
    for(int i=1;i<=b;i++){
        cout<<l[i]<<" ";
    }
    cout<<endl;
    return 0;
}