UrbanPro
true
default_background

Learn C Language from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

Search in

Program to swap the value of two variables without using third variable(simplest way)...

Rohan
17/11/2018 0 1

int main()

{

int a=10,b=20;

printf("values of a before swap ="%d,a);

printf("values of b before swap ="%d,b);

a=a+b;

b=a-b;

a=a-b;

printf("******************");

printf("values of a after swap ="%d,a);

printf("values of b after swap ="%d,b);

return 0;

}

output:

values of a before swap =10

values of b before swap =20

values of a after swap =20

values of b after swap =10

0 Dislike
Follow 4

Please Enter a comment

Submit

Maniraj Baral | 02/12/2018

Its not the best , use XOR a=a^b; b=a^b; a=a^b;

0 0

Other Lessons for You

An Interesting discussion about malloc( ) and calloc( )
What are malloc( ) and calloc( )? Simply putting they are the predefined functions in C language. Malloc( ) and calloc( ) are two such functions which are used for more or less identical purpose and...

Dynamic Memory Allocation in C using malloc()
#include <stdio.h>#include <conio.h>//#include <malloc.h> OR#include <stdlib.h>void main(){ int *ptr, i, n, sum = 0; printf("how many elements ? "); scanf("%d", &n);...

Swapping variable contents using C
/* WAP to swap the content of variables using C*/ //Header files #include<stdio.h>#include<conio.h> //Main function void main(){ //Variable declaration of type integer int a,b,c; //function...

Necessity of Theory and Practical in Computer Science.
Upon studying a subject both theory and practical are important. Usually many schools concentrate more on theory and the marks not on the practical. Other and opposite kind of people prefer practical...

Facts about C language
C programming language was developed in 1972 by Dennis Ritchie at AT&T Bell Labs. It was developed to overcome the problems of languages such as B, BPCL. It was developed to write the Unix operating...
X

Looking for C Language Classes?

The best tutors for C Language Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Learn C Language with the Best Tutors

The best Tutors for C Language Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more