Question

How to merge two lists by transferring all elements to another list in C++

Answer 1

#include <iostream>
#include <list>

void printList(std::list<int> const &l) {
    for (auto const &n: l) {
        std::cout << n << " ";
    }
}
 
int main() {
    std::list<int> l1 = { 5, 2, 7, 1, 9 };
    std::list<int> l2 = { 3, 6, 4 };
    
    l1.merge(l2);

    printList(l1);
    
    std::cout << std::endl;
    printList(l2);

    return 0;
}
 
 
 
/*
run:
 
3 5 2 6 4 7 1 9 
 
*/

 

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