#include <iostream>
using namespace std;
const int N = 5;
typedef int AList[N];
int main()
{
AList a = {1, 2, 3, 4, 5};
for (int i = 0; i < N/2; i++) {
std::swap(a[i], a[N-i-1]);
}
for (int i = 0; i < N; i++) {
cout << a[i];
}
cout << '\n';
}
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