#include <iostream>
#include <vector>
#include <algorithm>
void printIntersection(const std::vector<int>& arr1, const std::vector<int>& arr2) {
std::vector<int> result;
std::set_intersection(arr1.begin(), arr1.end(), arr2.begin(), arr2.end(), std::back_inserter(result));
std::cout << "Intersection: ";
for (int num : result) {
std::cout << num << " ";
}
std::cout << std::endl;
}
int main() {
std::vector<int> array1 = {1, 2, 3, 4, 5};
std::vector<int> array2 = {3, 4, 5, 6, 7};
std::sort(array1.begin(), array1.end());
std::sort(array2.begin(), array2.end());
printIntersection(array1, array2);
return 0;
}