Submission #564684

#	Time	Username	Problem	Language	Result	Execution time	Memory
564684		1zaid1	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	0 ms	420 KiB

encoder

#include<bits/stdc++.h>
using namespace std;
int encode (int n, int x, int y) {
    int z = x^y;
    for (int i = 0; i < 31; i++) {
        if (z&(1<<i)) {
            if (x&(1<<(i+1))) return (i+1);
            else return -(i+1);
        }
    } return 1;
}

decoder

#include<bits/stdc++.h>
using namespace std;
int decode (int n, int q, int i) {
	if (i > 0) {
		i--;
		if (q&(1<<i)) return 1;
		else return 0;
	} else {
		i = abs(i);
		i--;

		if (q&(1<<i)) return 0;
		else return 1;
	}
}

• Subtask 1: 0 / 100