Submission #136891

#	Time	Username	Problem	Language	Result	Execution time	Memory
136891		zoooma13	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	27 / 100	1605 ms	127016 KiB

encoder

#include "bits/stdc++.h"
using namespace std;

int encode(int n, int x, int y){
    int diff = (x^y);
    int lst_bit = log2((diff)&(-diff));
    return (bool(x&(1<<lst_bit))*10 + lst_bit+1);
}

decoder

#include "bits/stdc++.h"
using namespace std;

int decode(int n, int q, int h){
    int lst_bit = (h-1)%10;
    bool b = q&(1<<lst_bit);
    return (b && h>10) || (!b && h<=10);
}

• Subtask 1: 27 / 100