vec4.cpp
vec4.cpp
#include ‹iostream.h›
#include ‹stl.h›
int main() {
vector‹int› v(4);
v[0] = 1;
v[1] = 4;
v[2] = 9;
v[3] = 16;
cout ‹‹ "front = " ‹‹ v.front() ‹‹ endl;
cout ‹‹ "back = " ‹‹ v.back() ‹‹ ", size = " ‹‹ v.size() ‹‹ endl;
v.push_back(25);
cout ‹‹ "back = " ‹‹ v.back() ‹‹ ", size = " ‹‹ v.size() ‹‹ endl;
v.pop_back();
cout ‹‹ "back = " ‹‹ v.back() ‹‹ ", size = " ‹‹ v.size() ‹‹ endl;
return 0;
}