Submission #26854

#	Time	Username	Problem	Language	Result	Execution time	Memory
26854		TAMREF	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++11	0 / 100	1253 ms	25672 KiB

encoder

int encode (int n, int x, int y) {
  int h=0;
  for(;x&1<<h == y&1<<h;++h);
  return 2*h + 1 + (x&1<<h?1:0);
}

decoder

int decode (int n, int q, int h) {
    --h;
	return q&1<<(h/2)?(h%2):!(h%2);
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:3:15: warning: suggest parentheses around comparison in operand of '&' [-Wparentheses]
   for(;x&1<<h == y&1<<h;++h);
               ^

• Subtask 1: 0 / 100