Submission #564436

#TimeUsernameProblemLanguageResultExecution timeMemory
564436shrimbQuestion (Grader is different from the original contest) (CEOI14_question_grader)C++17
0 / 100
1 ms416 KiB
int encode (int n, int x, int y) {
  int dif = x ^ y;
  int id = 0;
  while (!(dif & 1)) dif >>= 1, id++;
  if (y & (1 << id)) id |= (1 << 4);
  return id;
}
int decode (int n, int q, int h) {
	bool flip = h & (1 << 4);
	h &= ~(1 << 4);
	if (q & (1 << h)) return 1^flip;
	else return 0^flip;
}
#Verdict Execution timeMemoryGrader output
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