#include <iostream>
#include <vector>
void print_vec(int arr[])
{
std::vector<int> vec;
vec.insert(vec.begin(), arr, arr+3);
for (auto x: vec) {
std::cout << ' ' << x;
}
std::cout << '\n';
}
int main ()
{
int arr[] = { 501,502,503 };
print_vec(arr);
}
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