W. Mirror Array

#include <iostream>
#include <algorithm>
#include <bits/stdc++.h>
using namespace std ;
typedef long long ll ;

 void ABDEL3AL () {
     ios_base::sync_with_stdio(false) , cin.tie(nullptr) , cout.tie(nullptr) ;
     #ifndef ONLINE_JUDGE
     freopen("input.txt" , "r" ,stdin) , freopen("output.txt" , "w" , stdout) ;
     #endif
}

int main() {
    ABDEL3AL() ;
    int n , m ;
    cin >> n >> m ;
    for (int i = 0; i < n; i++) {
        ll arr[m] ;
    for (int i = 0 ; i < m && cin >> arr[i]; i++);
    reverse (arr , arr + m) ;
    for (int i = 0; i < m && cout << arr[i] << " "; i++);
    cout << "\n" ;
    }

    return 0;

}