What is the output of this program?#include using namespace

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What is the output of this program?

#include 
    using namespace std;
    int main()
    {
        typedef int number;
        typedef char name;
        name n = "Interview Mania";
        number P = 12, Q = 25;
        number R = P + n;
        cout << R;
        return 0;
    }

1. Interview Mania12
2. 25Interview Mania
3. Compilation Error
4. Garbage Value
5. Runtime Error

Correct Option: C

Error: invalid conversion from ‘const char*’ to ‘let {aka char}’.
Compilation Error

In function 'int main()':
7:18: error: invalid conversion from 'const char*' to 'name {aka char}' [-fpermissive]
8:24: warning: unused variable 'Q' [-Wunused-variable]