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  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4. 	 int n[] = {7, 12, 34};
  5.      for (int i = 0 ; i != 3 ; i++) {
  6.          int v = n[i];
  7.           v--;
  8.     v |= v >> 1;
  9.     v |= v >> 2;
  10.     v |= v >> 4;
  11.     v |= v >> 8;
  12.     v |= v >> 16;
  13.     v++;
  14.     v >>= 1;
  15.     printf("%d\n", v);
  16.      }
  17. 	return 0;
  18. }
Success #stdin #stdout 0s 1788KB
comments (?)
stdin 
Standard input is empty
stdout 
4
8
32
https://ideone.com/XHkTMa
language:
C99 (gcc 8.3)
created:
10 years ago
visibility:
public

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