What is the algorithm to be used to swap two numbers without using a temporary variable?

Asked by Last Modified  

1 Answer

Learn C Language +4 C Language Programming Advanced C++ Basic C++ C++ Language

Follow 2
Answer

Please enter your answer

Prantik Sarkar

MCA, guiding and tutoring Computer Science and Applications 2012

There are various ways using operators and expressions. The simplest way is always recommended with some physical world scenarios. As you asked for algorithm only. Declare and initialize two variables first, second Step 1 → Add first and second and store to first Step 2 → Subtract second...
read more
There are various ways using operators and expressions. The simplest way is always recommended with some physical world scenarios. As you asked for algorithm only. Declare and initialize two variables first, second Step 1 → Add first and second and store to first Step 2 → Subtract second from first and store to second Step 3 → Subtract second from first and store to first Swap completed. Insight: Assuming variable having value first=10 and second=20 Now adding first with second and storing the result 10+20=30 in first. Now subtracting the second which is still 10 from first and storing the result 30-10=20 in second Here we achieved the initial swap Then subtracting second which is 20 from first 30-20=10 and storing the result in first complene the final swap as now value inside variable first is 10 and second is 20. Thank you read less
Comments
Dislike Bookmark

Related Questions

Is it necessary for a programmer to start his career by learning the C language first?
Not necessarily to learn C language, but if you learn C langauge it is easy to grasp other proramming languages.
Shilpa
How to improve my c knowledge........
practice it as much as possible. for beginning, use let us c by yashwant kanetkar
Anish
What is the use of header files in C language?
Header files in C serve as a way to declare the structure and prototypes of functions that will be used in a program. They provide information about the functions, constants, and data types used in a program,...
Kamal
0 0
6
Is C programming necessary to learn to become a software engineer?
C language is starting language for programming, if you will understand the concept of C language then it would be very easy to learn all programming language because somehow concepts are similar
Ujwalajagdale
0 0
7
Which are the best books to learn C?
Yashavant Kanetkar
Kratika

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Efficient Learning Strategies
Type your notes after class Write your notes onto flashcards - Scrabble -Make posters Review flashcards while walking, at gym, etc. Dog-ear pages in the reading where you can find...

Vijith V T

1 0
0
Tress And Its Traversal
Depth First Traversals:(a) Inorder (Left, Root, Right) : 4 2 5 1 3(b) Preorder (Root, Left, Right) : 1 2 4 5 3(c) Postorder (Left, Right, Root) : 4 5 2 3 1 Trees are one of the data structures like...

Sunil Yadav

1 0
0
C Program-Prime Number
/*WAP to print a number entered by the user is prime or not*/ //Header files #include<stdio.h>#include<conio.h> //Main function void main(){ int num,i; //Function for clearing screen clrscr();...

Salim Ahmed Ansari

0 0
0
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...

Salim Ahmed Ansari

0 0
0
Memory Layout of C Programs
A typical memory representation of C program consists of following sections. Text Segment: A text segment, also known as a code segment or simply as text, is one of the sections of a program in an object...

Vijay Kumar

1 0
0

Recommended Articles

Lasya Infotech: An educational Training...

Lasya Infotech is a Hyderabad based IT training institute founded in 2016 by O Venkat. Believing in his innovation, passion and persistence and with a diverse blend of experience, he started his brainchild to deliver exemplary professional courses to aspiring candidates by honing their skills. Ever since the institute envisions...

Read full article >

Brilliant Academy, a reputed B. Tech Tuition...

Brilliant Academy is one of the reputed institutes for B.Tech tuition classes. This institute is specialised in delivering quality tuition classes for B.E, Engineering - all streams and Engineering diploma courses. Incorporated in 2012, Brillant Academy is a brainchild of Mr Jagadeesh. The main motto of the academy is to...

Read full article >

Make a Career in Mobile Application Programming

Almost all of us, inside the pocket, bag or on the table have a mobile phone, out of which 90% of us have a smartphone. The technology is advancing rapidly. When it comes to mobile phones, people today want much more than just making phone calls and playing games on the go. People now want instant access to all their business...

Read full article >

Why Should you Become an IT Consultant

Information technology consultancy or Information technology consulting is a specialized field in which one can set their focus on providing advisory services to business firms on finding ways to use innovations in information technology to further their business and meet the objectives of the business. Not only does...

Read full article >

Find C Language Classes near you
C Language Classes in Bangalore
C Language Classes in Hyderabad
C Language Classes in Delhi
C Language Classes in Pune
C Language Classes in Chennai
C Language Classes in Mumbai
C Language Classes in Kolkata
C Language Classes in Noida
C Language Classes in Gurgaon
C Language Classes in Ghaziabad

Looking for C Language Classes?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you