제출 #565179

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
565179		Dodo	질문 (CEOI14_question_grader)	C++14	0 / 100	7030 ms	208 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<=10;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;
  }
  x=__builtin_popcount(x);
  y=__builtin_popcount(y);

  for(int i=0;i<=10;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 11+i;
  }
}

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
  {
    ll x=__builtin_popcount(q);
    ll y=h-11;

    if((x&(1<<y)))return 1;
    else return 0;
  }
}

컴파일 시 표준 에러 (stderr) 메시지

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:12:10: warning: variable 'f' set but not used [-Wunused-but-set-variable]
   12 |     bool f,s;
      |          ^
encoder.cpp:12:12: warning: variable 's' set but not used [-Wunused-but-set-variable]
   12 |     bool f,s;
      |            ^
encoder.cpp:25:10: warning: variable 'f' set but not used [-Wunused-but-set-variable]
   25 |     bool f,s;
      |          ^
encoder.cpp:25:12: warning: variable 's' set but not used [-Wunused-but-set-variable]
   25 |     bool f,s;
      |            ^
encoder.cpp:9:7: warning: unused variable 'h' [-Wunused-variable]
    9 |   int h;
      |       ^
encoder.cpp:33:1: warning: control reaches end of non-void function [-Wreturn-type]
   33 | }
      | ^

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