Remove odd numbers from List

// CPP program to illustrate

// Implementation of remove_if() function

#include <iostream>

#include <list>

using namespace std;

// Predicate implemented as a function

bool even(const int& value) { return (value % 2) == 0; }

// Main function

int main()

{

list<int> mylist{ 1, 2, 2, 2, 5, 6, 7 };

mylist.remove_if(even);

for (auto it = mylist.begin(); it != mylist.end(); ++it)

cout << ' ' << *it;

}