Generate a sequence. : generate « STL Algorithms Modifying sequence operations « C++

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C++ » STL Algorithms Modifying sequence operations » generateScreenshots 
Generate a sequence.
  
#include <iostream>
#include <vector>
#include <algorithm>

using namespace std;

double pow_of_two();
int main()
{
  vector<double> v(5);

  generate(v.begin(), v.end(), pow_of_two);

  for(unsigned i=0; i < v.size(); ++i)
    cout << v[i<< endl;

  return 0;
}

// A generator function that generates the powers of 2.
double pow_of_two() {
  static double val = 1.0;
  double t;

  t = val;
  val += val;

  return t;
}
  
    
  
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