GeekInterview.com
Answered Questions

Sum of two numbers without using arithmetic operators

Asked By: meda_reddy | Asked On: Jul 15th, 2008
18 answers

Ex:int a=10;int b=10;int sum=a+b;without using "+" operator calculate sum

Star Read Best Answer

Editorial / Best Answer

Answered by: jintojos

View all answers by jintojos

Member Since May-2008 | Answered On : Jul 17th, 2008

void main()
 {
          int a=10,b=20;
          while(b--) a++;
           printf("Sum is :%d",a);  
 }

Answered by: And on: Aug 28th, 2012

For two positive numbers:

int main(){
int a = 10;
int b = 10;

printf("%d",a ^ b | ((a & b)<< 1));
return 0;
}

Answered by: mahamad on: Jun 14th, 2012

Code
  1. #include<stdio.h>
    2. 

  2. #include<conio.h>
    3. 

  3. main()
    4. 

  4. {
    5. 

  5.     int a=20,b=10,c;
    6. 

  6.     clrscr();
    7. 

  7.     c=a-~b-1;             //it will change the sign of operator truly magic
    8. 

  8.     printf("sum is %d",c);
    9. 

  9.     getch();
    10. 

  10.     return 0;
    11. 

  11. }

User Panel

Register
Login
Lost Password
Get Activation Code

Categories

Engineering

Interview Coaching

Interview Questions

Tech FAQs

Interview Coaching

What are the things you wish to achieve in 5 years?

Do you find yourself busy most of the time? Why?

What do you think about continuous learning?

What is the role of a mechanical engineer in the Software Industry?

Do you like working in a team or alone? Explain.

How do you handle pressure and stress?

What are the career options available in Software Testing Industry?

How do you handle conflict?

How do you deal and overcome major challenges?

Has there been a time when you were presented a problem and solved it?

Interview Question

 Ask Interview Question?

 

Career Counselling

 Have Career Question?

 Ask Chandra

 Ask Only Career questions.

Follow us: