Count number of bit in hexdecimal using C file and while

Question

How to count number of bits in the variable GH that have value of 1 and assigns the results to the variable CT using while loop ?

 int main(void)
 {
      unsigned int GT = 0x12345678;
      unsigned int CT = 0;

      < The solution >

      all_done: return 0;
 }

Duplicate of http://stackoverflow.com/questions/109023/how-to-count-the-number-of-set-bits-in-a-32-bit-integer — Dachschaden, Sep 15 '15 at 05:42

score 0 · Answer 1 · answered Sep 15 '15 at 05:29

0

Use bitwise shift << or >> to move a single 1 from top to bottom (or opposite), and use that as a mask to check if the corresponding bit in GT is set. Increase the counter variable if a bit is set.

answered Sep 15 '15 at 05:29

Some programmer dude

400,186
35
402
621

Count number of bit in hexdecimal using C file and while

1 Answers1