Submission #35080

#	Time	Username	Problem	Language	Result	Execution time	Memory
35080		imaxblue	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	0 ms	25664 KiB

encoder

int log(int X){int C=0; while(X>1){C++; X>>=1;} return C;}
int encode(int N, int X, int Y){
  return (log((X^Y)&-(X^Y)) << 1)+((X&(((X^Y)&-(X^Y))))>0);
}

decoder

int decode(int N, int Q, int H){
  return (H&1)?((Q&(1 << (H/2)))>0):((Q&(1 << (H/2)))==0);
}

• Subtask 1: 0 / 100