C Program to swap any two numbers
#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("Enter any two number for swapping\n");
scanf("%d %d",&a,&b);
printf("\nthe numbers you have entered\n");
printf("a=%d\n",a);
printf("b=%d\n",b);
a=a+b;
b=a-b;
a=a-b;
printf("\nAfter swapping the numbers are\n");
printf("a=%d\n",a);
printf("b=%d\n",b);
getch();
}
OUTPUT
Enter any two number for swapping
10
20
the numbers you have entered
a=10
b=20
After swapping the numbers are
a=20
b=10
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