fork(14) download
copy 
  1. #include <stdio.h>
  2.  
  3. int count_consecutive_ones(int in) {
  4.   int count = 0;
  5.  
  6.   while (in) {
  7.     in = (in & (in << 1));
  8.     count ++;
  9.   }
  10.   return count;
  11. }
  12.  
  13. int count_consecutive_zeros(int in) {
  14.   return count_consecutive_ones(~in);
  15. } 
  16.  
  17. int main(void) {
  18.  
  19.   printf("%d has %d consecutive 1's\n", 0, count_consecutive_ones(0));
  20.   printf("%d has %d consecutive 0's\n", 0, count_consecutive_zeros(0));
  21.  
  22.   /* 00000000 11110000 00000000 00000000 -> If it is 0 then length will be 20 */
  23.   printf("%x has %d consecutive 0's\n", 0x00F00000, count_consecutive_zeros(0x00F00000));
  24.  
  25.   /* 11111111 11110000 11110111 11111111 -> If it is 1 then length will be 12 */
  26.   printf("%x has %d consecutive 1's\n", 0xFFF0F7FF, count_consecutive_ones(0xFFF0F7FF));
  27.  
  28. }
Runtime error #stdin #stdout 0.01s 1676KB
comments (?)
stdin
copy 
Standard input is empty
stdout
copy 
0 has 0 consecutive 1's
0 has 32 consecutive 0's
f00000 has 20 consecutive 0's
fff0f7ff has 12 consecutive 1's
https://ideone.com/Z1l0D
language:
C (gcc 8.3)
created:
11 years ago
visibility:
public

Share or Embed source code

Discover > Sphere Engine API

The brand new service which powers Ideone!

Discover > IDE Widget

Widget for compiling and running the source code in a web browser!