swap two integer variables without using a third temporary variable?

Categories >> Software >> Programming Languages >> C
Suggest New Category

swap two integer variables without using a third temporary
variable?

Question Posted / a. sujatha

6 Answers
10328 Views
Persistent, I also Faced
E-Mail Answers

Answers were Sorted based on User's Feedback

swap two integer variables without using a third temporary variable?..

Answer / sidhartha

#include<stdio.h>
#include<conio.h>
void main()
{
int a,b;
clrscr();
printf("\n ENTER 2 VALUES : ");
scanf("%d%d",&a,&b);
printf("\n THE VALUES BEFORE SORTING : %d,%d",a,b);
a=a+b;
b=a-b;
a=a-b;
printf("\n THE VALUES AFTER SORTING : %d,%d",a,b);
getch();
}

Is This Answer Correct ?

40 Yes

1 No

swap two integer variables without using a third temporary variable?..

Answer / jigish

b=a*b;
a=b/a;
b=b/a;

simple..try it

Is This Answer Correct ?

15 Yes

5 No

swap two integer variables without using a third temporary variable?..

Answer / vignesh1988i

the best way what i choose is that : if x=89 , y=-88

x^=y^=x^=y;

this line will swap the above numbers......

thank u

Is This Answer Correct ?

10 Yes

5 No

swap two integer variables without using a third temporary variable?..

Answer / sumit salve

a=a+b-(b=a);
or
a=a*b/(b=a);
this will also swap two numbers!!!

Thank You...

Is This Answer Correct ?

0 Yes

0 No

swap two integer variables without using a third temporary variable?..

Answer / onkar koparde

i'll only give u logic #include<stdio.h>
void main() { int a=10,b=20;
printf("b4 swap:a=%d b=%d",a,b);
a=a+b;b=a-b;a=a-b; printf("aftr
swap:a=%d b=%d",a,b); }
from-onkar.koparde@gmail.com

Is This Answer Correct ?

2 Yes

4 No

swap two integer variables without using a third temporary variable?..

Answer / abhinav lohar

t=a;
a=b;
b=t;

Is This Answer Correct ?

0 Yes

8 No

Post New Answer