c++ copy vector
#include <iostream>
#include <vector>
using namespace std;
int main() {
vector<int> original = {1, 2, 3, 4, 5};
vector<int> copy;
// Reserve memory for the copy vector
copy.reserve(original.size());
// Use vector's assign() method to copy the contents of original to copy
copy.assign(original.begin(), original.end());
// Print the copied vector
for (int num : copy) {
cout << num << " ";
}
return 0;
}