#include <iostream>
#include <list>
#include <functional>
#include <algorithm>
using namespace std;
int main()
{
list<int> list1;
list<int>::iterator p, endp;
int i;
for(i=1; i < 20; i++) list1.push_back(i);
p = list1.begin();
while(p != list1.end()) {
cout << *p << endl;
p++;
}
endp = remove_if(list1.begin(), list1.end(),bind2nd(greater<int>(), 4));
p = list1.begin();
while(p != endp) {
cout << *p << endl;
p++;
}
return 0;
}
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