sim 2021 III 2

#include <iostream>
using namespace std;
#define NMAX 103
int a[NMAX][NMAX], n;

int main() {
    cin >> n;
    for (int i = 1; i <= n; i++) {
        for (int j = 1; j <= n; j++) {
            cin >> a[i][j];
        }
    }
    for (int i = 1; i < n; i++) {
        cout << a[i][1] << ' ';
    }
    for (int j = 1; j < n; j++) {
        cout << a[n][j] << ' ';
    }
    for (int i = n; i > 1; i--) {
        cout << a[i][n] << ' ';
    }
    for (int j = n; j > 1; j--) {
        cout << a[1][j] << ' ';
    }
    return 0;
}