C Programming-Write an Efficient Method Check if a Number is Multiple of 3 -If sum of digits in a number is multiple of 3 then number is multiple of 3 e.g.,You have to get all decimal digits one by one, add them and then check if sum is multiple of 3.
write ac program for finding gcd of two given numbers
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Compute the minimum or maximum of two integers without branching – Bit Algorithm – On some rare machines where branching is expensive below obvious approach
C programming for Write an Efficient Method to Check if a Number is Multiple of 3 – Mathematical Algorithms – If sum of digits in a number is multiple of 3.