listrmv.cpp

// listrmv.cpp -- applying the STL to a string
#include <iostream>
#include <list>
#include <algorithm>

void Show(int);
const int LIM=10;
int main(){
  using namespace std;
  int ar[LIM]={4,5,4,2,2,3,4,8,1,4};
  list<int> la(ar,ar+LIM);
  list<int> lb(la);
  cout<<"Original list contents:\n\t";
  for_each(la.begin(), la.end(), Show);
  cout<<endl;
  la.remove(4);
  cout<<"After using the remove() method:\n";
  cout<<"la:\t";
  for_each(la.begin(), la.end(), Show);
  cout<<endl;

  list<int>::iterator last;
  last=remove(lb.begin(), lb.end(), 4);
  cout<<"After using the remove() function:\n";
  cout<<"lb:\t";
  for_each(lb.begin(), lb.end(), Show);
  cout<<endl;
  lb.erase(last, lb.end());
  cout<<"After using the erase() method:\n";
  cout<<"lb:\t";
  for_each(lb.begin(), lb.end(), Show);
  cout<<endl;
  return 0;
}
void Show(int v){
  std::cout<<v<<" ";
}