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  1. f(*n){*n^=1<<(int)log2(*n);}
  2.  
  3. A[]={1,2,10,16,100,267,350,500,0};
  4. *n=&A;
  5. main(){
  6. for(;*n;n++){
  7. printf("%d -> ",*n);
  8. f(n);
  9. printf("%d\n",*n);
  10. }
  11. }
Success #stdin #stdout 0s 9416KB
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stdin
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Standard input is empty
stdout
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1 -> 0
2 -> 0
10 -> 2
16 -> 0
100 -> 36
267 -> 11
350 -> 94
500 -> 244
https://ideone.com/03Xfpw
language:
C (clang 8.0)
created:
7 years ago
visibility:
secret

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