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Question

What is the output of this program?
    #include <stdio.h> 
    using namespace std;
    int main()
    {
        int a = 21;
        int c ;
        c = a++;
        cout << c;  
        return 0;
    }

a.

21

b.

22

c.

23

d.

20

Answer: (a).21

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Q. What is the output of this program?

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