make the vector as large as possible without reallocating : vector capacity « vector « C++ Tutorial

1. C++ Tutorial
2. vector
3. vector capacity

#include <algorithm>
#include <iostream>
#include <vector>

using namespace std;

template <class T>
void print(T& c){
   for( typename T::iterator i = c.begin(); i != c.end(); i++ ){
      std::cout << *i << endl;
   }
}

int main( )
{
   vector<double> v( 5, 2.78 );
   v[2] = 0.0;

   // make the vector as large as possible without reallocating
   v.resize( v.capacity(), 2.78 );

}