VECTORS Question 8

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What will the following code print?

C++ 
#include <iostream>
#include <vector>
using namespace std;
int main()
{
    vector<int> v = {1, 2, 3, 4, 5};
    for (int x : v)
        x = x + 2;
        
    for (int x : v)
        cout << x << " ";
    return 0;
}

1 2 3 4 5

2 4 6 8 10

2 4 5 6 7

Compiler Error

This question is part of this quiz :

C++ Vector
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C++ Quiz
C++
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