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

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What is the output of this program?

#include <iostream>
    using namespace std;
    int main () 
    {
        int num; 
        num = 45;
        cout << hex << num << endl;
        return 0;
    }

1. 45
2. 2d
3. Compilation Error
4. Runtime Error
5. None of these

Correct Option: B

In this program, We are printing the hexadecimal value of the given decimal number by using hex function.