Submission #132821

#	Time	Username	Problem	Language	Result	Execution time	Memory
132821		Osama_Alkhodairy	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	27 / 100	1596 ms	83912 KiB

encoder

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

int encode (int n, int x, int y) {
    int h = 0;
    while(((x >> h) & 1) == ((y >> h) & 1)) h++;
    assert(h < 10);
    if((x >> h) & 1) h += 10;
    h++;
    return h;
}

decoder

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

int decode (int n, int q, int h) {
    h--;
    int xbit = h >= 10;
    if(h >= 10) h -= 10;
    if(((q >> h) & 1) == xbit) return 1;
    return 0;
}

• Subtask 1: 27 / 100