سلام به این شکل :
#include <iostream>
#include <forward_list>
using namespace std;
int main()
{
std::forward_list<int> a;
for(int i=0;i<=5;i++)
a.push_front(i);
cout<<"Before sort --> ";
for(auto i : a)
cout<<i<<" ";
a.sort();
cout<<"\nafter sort --> ";
for(auto i : a)
cout<<i<<" ";
return 0 ;
}