how to concatenate two vectors in c++
#include <iostream>
#include <vector>
int main() {
std::vector<int> vector1 = {1, 2, 3};
std::vector<int> vector2 = {4, 5, 6};
// Concatenate vectors
vector1.insert(vector1.end(), vector2.begin(), vector2.end());
// Display concatenated vector
std::cout << "Concatenated Vector: ";
for (const auto &element : vector1) {
std::cout << element << " ";
}
return 0;
}