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Swap of two numbers with xor?

In: Math and Arithmetic, C Programming [Edit categories]

Answer:

void swap (int *a, int *b) {
*a ^= *b;
*b ^= *a;
*a ^= *b;
return;
}

First answer by Alex146. Last edit by Alex146. Contributor trust: 419 [recommend contributor ]. Question popularity: 3 [recommend question].

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What is it called when you swap the two numbers that you multiply?
I don't know.the Switch-A-Roo? not,it's inverse.
How do you swap two numbers in a C program?
Ellipses (...) used to emulate indentation... swap(int *a, int *b) { ... int temp; ... temp = *a; ... *a = *b; ... *b = temp; }
What is the flowchart to swap two numbers in c?
include; main() {int a,b; printf("enter the value of a"); scanf(%d%,&a); printf("enter the vaule of b"); scanf(%d%,&a); a=a+b b=a-b a=a-b printf("%d%%d%",a,b);}
How do you swap two numbers using PHP?
This is the answer: <html> <body> <?php $number1=20; $number2=30; $temp=$number2; $number1 = $temp; $number2 = $temp-10; echo $number1; echo $number2; ?> </body> </html>
The sum of two numbers is 21 The difference of the two numbers is 19 What are the two numbers?
20 and 1Seems to be a common problem. Add the sum to the difference and divide by 2 gives one number. Then start over and subtract the smaller of the two givens from the larger and then divide by 2...