oj.uz

Submission #565188

# Submission time Handle Problem Language Result Execution time Memory
565188 2022-05-20T12:28:13 Z Dodo Question (Grader is different from the original contest) (CEOI14_question_grader) C++14
0 / 100
 1 ms 416 KB 
#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<=10;i++)
  {
    if((x&(1<<i))^(y&(1<<i)))
    {
      if((x&(1<<i)))
        return i;
    }
  }
  x=__builtin_popcount(x);
  y=__builtin_popcount(y);
  for(int i=0;i<=10;i++)
  {
    if((x&(1<<i))^(y&(1<<i)))
    {
      if((x&(1<<i)))
        return (11+i);
    }
  }
}
#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
  {
    ll x=__builtin_popcount(q);
    h-=11;
    if((x&(1<<h)))return 1;
    else return 0;
  }
}

Compilation message

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:9:7: warning: unused variable 'h' [-Wunused-variable]
    9 |   int h;
      |       ^
encoder.cpp:28:1: warning: control reaches end of non-void function [-Wreturn-type]
   28 | }
      | ^

Subtask #1
0.0 / 100.0

# Verdict Execution time Memory Grader output
1 Incorrect 1 ms 416 KB the encoded value must be greater than or equal to 1
2 Incorrect 1 ms 416 KB the encoded value must be greater than or equal to 1