Question

write a program to input two variables and swap and print their values without using the third variable​

Answer 1

SQL is the program to input two variables and swap

Answer 2

Answer:

C Program to swap two numbers without third variable

• #include <stdio.h>
• int main()
• {
• int a=10, b=20;
• printf("Before swap a=%d b=%d",a,b);
• a=a+b;//a=30 (10+20)
• b=a-b;//b=10 (30-20)
• a=a-b;//a=20 (30-10)