fork(3) download
  1. #include <stdio.h>
  2.  
  3. int main(void) {
  4.  
  5. int l, a, n, p;
  6. scanf ("%d\n",&l);
  7. for (a = l%2, p = getchar()>'9'; --l; n = p ^ getchar()>'9', a &= (p^=n)^n^p );
  8. printf("%d", a);
  9.  
  10. return 0;
  11. }
  12.  
Success #stdin #stdout 0s 2116KB
stdin
9
h2h3h5h5h
stdout
1