Submission #564585

#	Time	Username	Problem	Language	Result	Execution time	Memory
564585		shrimb	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++17	0 / 100	1 ms	420 KiB

encoder

#include"bits/stdc++.h"
using namespace std;
int encode (int n, int x, int y) {
    int ret = 0;
    for (int i : {2, 3, 5, 7, 11}) {
        ret ^= x % i;
    }
    return ret;
}

decoder

#include"bits/stdc++.h"
using namespace std;
int decode (int n, int q, int h) {
	int ret = 0;
	for (int i : {2, 3, 5, 7, 11}) {
        ret ^= q % i;
    }
	if (ret == h) return 1;
	else return 0;
}

• Subtask 1: 0 / 100