Swapping of given two values using temporary variable

 Program:

#include<stdio.h>

#include<conio.h>

void main()

{

    int a, b, t;

    clrscr();

    printf("Enter any Two Numbers : ");

    scanf("%d%d", &a, &b);

    printf("\nBefore Swapping :");

    printf("\na=%d", a);

    printf("\nb=%d\n\n", b);

    t=a;

    a=b;

    b=t;

    printf("After Swapping :");

    printf("\na=%d", a);

    printf("\nb=%d", b);

    getch();

}

Output:

Enter any Two Numbers : 10    20

Before Swapping :

a=10

b=20

After Swapping 

a=20

b=10

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