Thursday, December 31, 2015

C program to add 2 numbers without using arithmetic operators

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#include <stdio.h>
int main(void) {
  int a = 3, b = 5, c = 0;
  while(b != 0){
    c = a & b; // carry
    a = a ^ b;
    b = c << 1;
  }
  printf("%d",a);
  return 0;
}

Ref: http://www.geeksforgeeks.org/add-two-numbers-without-using-arithmetic-operators/

1 comment:

  1. Sid LMay 28, 2018 at 12:50 PM

    Great!!! Was looking for this logic for long time. Thanks for sharing.

    Cheers,
    http://www.flowerbrackets.com/addition-operation-bitwise-operators-java/

    ReplyDelete

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