What is the output of this program?#include <iostream>

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What is the output of this program?

#include <iostream>
    #include <string>
    using namespace std;
    int main ()
    {
        string s ("Coding is my life");
        unsigned sz = s.size();
        s.resize (sz + 2, '+');
        s.resize (13);
        cout << s << '\n';
        return 0;
    }

1. my life
2. Coding is my life
3. Coding is my
4. Compilation Error
5. None of these

Correct Option: C

In this program, We are resizing the string by adding + and then we are resizing it to 13.