Lokesh Kumar in C languageProgramming

7-Write a C program to swap the two numbers without using third variable.

Program: 7

Write a C program to swap the two numbers without using third variable.

#include #include void main() { int a, b , c; printf("Enter the value of a: "); scanf("%d", &a); printf("Enter the value of b: "); scanf("%d", &b); c=a; a=b; b=c; printf("The value of a is: %d\n", a); printf("The value of b is: %d", b); getch(); }
Output
`Enter the value of a: 56` `Enter the value of b: 31` `The value of a is: 31` `The value of b is: 56`

#include
#include
void main()
{
    int a, b , c;
    printf("Enter the value of a: ");
    scanf("%d", &a);
    printf("Enter the value of b: ");
    scanf("%d", &b);
    c=a;
    a=b;
    b=c;
    printf("The value of a is: %d\n", a);
    printf("The value of b is: %d", b);
    getch();
}

Output

Enter the value of a: 56

Enter the value of b: 31

The value of a is: 31

The value of b is: 56

Next Read: 8-Write a C program to add the entered digit's number. »

Programs

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Program: 7

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