Example

int main( )

{

int first_num, second_num;

get_numbers(first_num, second_num);

swap_values(first_num, second_num);

show_results(first_num, second_num);

return 0;

}

void swap_values(int& variable1, int& variable2)

{

int temp;

temp = variable1;

variable1 = variable2;

variable2 = temp;

}

first_num second_num

1000 1004

5

7

variable1 variable2

temp

2000

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