Submission #836869

#	Time	Username	Problem	Language	Result	Execution time	Memory
836869		Andrey	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	27 / 100	2378 ms	24108 KiB

encoder

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

int encode (int n, int x, int y) {
    for(int i = 0; i < 10; i++) {
        if((x&(1 << i)) != (y&(1 << i))) {
            int ans = i+1;
            if(x&(1 << i)) {
                ans+=10;
            }
            return ans;
        }
    }
}

decoder

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

int decode (int n, int q, int h) {
    h--;
    int a = (q&(1 << (h%10)))/(1 << (h%10));
    int b = h/10;
    if((a^b) == 0) {
        return 1;
    }
    else {
        return 0;
    }
}

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:14:1: warning: control reaches end of non-void function [-Wreturn-type]
   14 | }
      | ^

• Subtask 1: 27 / 100