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Swapping two numbers in c language

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Write a C Program to Swap two numbers.

#include<stdio.h>
int main()
{
   int a,b,temp;
   printf(“Enter two numbers :\n”);
   scanf(“%d %d”,&a,&b);
   printf(“Before Swapping : a = %d, b = %d\n”,a,b);
   temp=a;
   a=b;
   b=temp;
   printf(“Before Swapping : a = %d, b = %d\n”,a,b);
   return 0;
}

Output :
i) Enter two numbers :
10536 79
Before Swapping : a = 10536, b = 79
After Swapping : a = 79, b = 10536

Write a C Program to Swap two numbers without third variable.

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