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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

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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. }

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