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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