Transform algorithm and list of integers : transform « STL Algorithms Modifying sequence operations « C++ Tutorial

1. C++ Tutorial
2. STL Algorithms Modifying sequence operations
3. transform

#include <iostream>
#include <list>
#include <algorithm>
using namespace std;
   
double reciprocal(double i) {
  return 1.0/i;
}
   
int main(){
  list<double> l;
  int i;
   
  for(i=1; i<10; i++) 
      l.push_back((double)i);
   
  list<double>::iterator p = l.begin();
  while(p != l.end()) {
    cout << *p << endl;
    p++;
  }
   
  p = transform(l.begin(), l.end(),l.begin(), reciprocal);
   
  p = l.begin();
  while(p != l.end()) {
    cout << *p << endl;
    p++;
  }
  return 0;
}