Program of swapping in c++, C/C++ Programming

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Program of swapping two varibales:

void swap(int *, int *);   // This is swap's prototype

int main()

{

                int x = 5, y = 7;

                swap(&x, &y);

                cout << "\n x is now "<< x << " and y is now " << y << '\n';

 

                return 0;

}

void swap(int *a, int *b)    // swap is actually defined here

{

                int temp;

                temp = *a;

                *a = *b;

                *b = temp;

}


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