#include <iostream>
#include <vector>
// Abbreviation: typedef creates a shorter alias for a long type name.
typedef std::vector<int> IntVec;
// Now IntVec is an abbreviation for std::vector<int>
int main() {
IntVec numbers = {1, 2, 3, 4, 5}; // Using the abbreviated type
for (int n : numbers) {
std::cout << n << " ";
}
}
/*
run:
1 2 3 4 5
*/