Submission #387732

#	Time	Username	Problem	Language	Result	Execution time	Memory
387732		Nima_Naderi	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	27 / 100	3706 ms	24096 KiB

encoder

#include <bits/stdc++.h>
using namespace std;
int encode (int n, int x, int y) {
    int h = 0, xr = x ^ y;
    for(int i = 0; i < 10; i ++){
        if((xr >> i) & 1LL){
            h = i * 2 + ((x >> i) & 1LL);
            h ++;
            return h;
        }
    }
    return -1;
}

decoder

#include <bits/stdc++.h>
using namespace std;
int decode (int n, int q, int h) {
    h --;
    bool g = h & 1LL; h /= 2;
    return (((q >> h) & 1LL) == g);
}

• Subtask 1: 27 / 100