Submission #565178

#	Time	Username	Problem	Language	Result	Execution time	Memory
565178		Dodo	Question (Grader is different from the original contest) (CEOI14_question_grader)	C++14	0 / 100	1914 ms	24116 KiB

encoder

#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
#define pb push_back
using namespace std;


int encode (int n, int x, int y)
{
  int h;
  for(int i=0;i<=9;i++)
  {
    bool f,s;
    if((x&(1<<i)))f=1;
    else f=0;
    if((y&(1<<i)))s=1;
    else s=0;  
    if(x==1&&y==0)
    return i;
    if(x==0&&y==1)h=i;
  }
  return (10+h);
}

decoder

#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
#define pb push_back
using namespace std;


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

Compilation message (stderr)

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:13:10: warning: variable 'f' set but not used [-Wunused-but-set-variable]
   13 |     bool f,s;
      |          ^
encoder.cpp:13:12: warning: variable 's' set but not used [-Wunused-but-set-variable]
   13 |     bool f,s;
      |            ^
encoder.cpp:22:15: warning: 'h' may be used uninitialized in this function [-Wmaybe-uninitialized]
   22 |   return (10+h);
      |               ^

• Subtask 1: 0 / 100