Q: Write a function to swaps the values of two integers.  

Answer: C

Solution c Solution exist without any extra variables

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1.

void swap(int a, int b)
{
int c;
c=a;
a=b;
b=c;
}

2.

void swap (int a, int b)
{

a=a+b;

b=a-b;

a=a-b;

}

Solution2 is the best solution since no extra variable is required.

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