vec4.cpp

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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;

}