Write a C++ program that displays 111111.

Question

Which statement(s) is (are) true ?

int main() {
        vector<int> v(3, 1);
        for (auto elem : v) {
            cout << elem;
            elem = 2;
        }
        for (auto elem : v) {
            cout << elem;
        }
        return 0;
    }

Accepted Answer

This program displays 111111, you should iterate on references by writting *auto& elem* in the first for loop to apply the changes on v.

Answer

This program displays 000222.

Answer

This program displays 111111, you should iterate on references by writting *auto& elem* in the second for loop to apply the changes on v.

Answer

This program displays 111222.

Question from the C++ - Fundamentals test

Write a C++ program that displays 111111.