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Submission #564436

# Submission time Handle Problem Language Result Execution time Memory
564436 2022-05-19T08:32:56 Z shrimb Question (Grader is different from the original contest) (CEOI14_question_grader) C++17
0 / 100
 1 ms 416 KB 
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;
}

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 416 KB the encoded value must be greater than or equal to 1
2 Incorrect 0 ms 416 KB the encoded value must be greater than or equal to 1