Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...


How to swap two variables, without using third variable ?

Answers were Sorted based on User's Feedback



How to swap two variables, without using third variable ?..

Answer / arindam

b=(a+b)-(a=b);

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / shruti dengre

answer no. 6th is is correct

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / suseela

for ex x=10,y=20
x=x+y=30(i.e 10+20)
y=x-y=10(i.e 30-20)
x=x-y=20(i.e 30-10)

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / shubham

#include<stdio.h>
#imclude<conio.h>
main()
{
int a,b;
printf("enter two number");
scanf("%d%d",&a,&b);
b=a-b;
a=a-b;
b=a+b;
printf("after swaping &d",swap);
getch();
}

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / lokesh

a=a-b;
b=a-b;
a=a+b;

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / praveen kumar telluri

b=a*b/(a=b);

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / naveen

Using a single line statement:

a=(a+b)-(b=a)

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / hamsa

a=a+b;
b=a-b;
a=a-b;

ex a=2, b=4

a=2+4
b=6-4
a=6-2


ANS a=4
b=4

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / debjyoti talukder

a=a+b;
if(a>b)//only the smaller can b subtracted from greater...
b=a-b://...reverse is not possible
else
b=b-a;
a=a-b;

Is This Answer Correct ?    0 Yes 1 No

How to swap two variables, without using third variable ?..

Answer / swapnil r

Swapping two variables

1. #define SWAP(x,y) x^=y^=x^=y

2. a=a+b;
b=a-b;
a=a-b;

3. use xor to swap

a = a^b
b= a^b
a= a^b
4. a=a*b;
b=a/b;
a=a/b;

Is This Answer Correct ?    1 Yes 3 No

Post New Answer

More C Code Interview Questions

In the following pgm add a stmt in the function fun such that the address of 'a' gets stored in 'j'. main(){ int * j; void fun(int **); fun(&j); } void fun(int **k) { int a =0; /* add a stmt here*/ }

1 Answers  


What is the output for the following program main() { int arr2D[3][3]; printf("%d\n", ((arr2D==* arr2D)&&(* arr2D == arr2D[0])) ); }

1 Answers  


int i; main(){ int t; for ( t=4;scanf("%d",&i)-t;printf("%d\n",i)) printf("%d--",t--); } // If the inputs are 0,1,2,3 find the o/p

2 Answers  


Given only putchar (no sprintf, itoa, etc.) write a routine putlong that prints out an unsigned long in decimal.

6 Answers   Fusion Systems GmbH,


int i,j; for(i=0;i<=10;i++) { j+=5; assert(i<5); }

3 Answers   Cisco, HCL,


main() { char *cptr,c; void *vptr,v; c=10; v=0; cptr=&c; vptr=&v; printf("%c%v",c,v); }

1 Answers  


Write a C function to search a number in the given list of numbers. donot use printf and scanf

5 Answers   Honeywell, TCS,


Write a program to model an exploding firecracker in the xy plane using a particle system

0 Answers   HCL,


Extend the sutherland-hodgman clipping algorithm to clip three-dimensional planes against a regular paralleiepiped

1 Answers   IBM,


main() { int i = 0xff ; printf("\n%d", i<<2); } a. 4 b. 512 c. 1020 d. 1024

2 Answers   HCL,


main() { int x=5; for(;x!=0;x--) { printf("x=%d\n", x--); } } a. 5, 4, 3, 2,1 b. 4, 3, 2, 1, 0 c. 5, 3, 1 d. none of the above

2 Answers   HCL,


Write a program to receive an integer and find its octal equivalent?

7 Answers  


Categories