Submission #564749

#	Time	Username	Problem	Language	Result	Execution time	Memory
564749		AbdullahMW	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	27 / 100	3065 ms	24244 KiB

encoder

#include <bits/stdc++.h>

using namespace std;

int encode(int n, int x, int y)
{
    for (int b = 0; b < 10; b++)
    {
        if ((x & (1 << b)) && !(y & (1 << b))) return b * 2 + 1;
        else if (!(x & (1 << b)) && (y & (1 << b))) return b * 2 + 2;
    }
}

decoder

#include <bits/stdc++.h>

using namespace std;

int decode(int n, int q, int h)
{
    
    if (h % 2)
    {
        h--;
        h /= 2;
        
        if ((1 << h) & q) return 1;
        else return 0;
    }
    else
    {   
        h--;
        h /= 2;
        
        if ((1 << h) & q) return 0;
        else return 1;
    }
}
    

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:12:1: warning: control reaches end of non-void function [-Wreturn-type]
   12 | }
      | ^

• Subtask 1: 27 / 100