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Question

What is the output of this program?
    #include <iostream>
    using namespace std;
    void square (int *x)
    {
 *x = (*x + 1) * (*x);
    }
    int main ( )
    {
 int num = 10;
        square(&num);
 cout << num;
 return 0;
    }

a.

100

b.

compile time error

c.

144

d.

110

Answer: (d).110

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