Submission #166669

# Submission time Handle Problem Language Result Execution time Memory
166669 2019-12-03T12:44:43 Z Lawliet Question (Grader is different from the original contest) (CEOI14_question_grader) C++14
Compilation error
0 ms 0 KB
int mask[930];

bool preCalculate;

bool isActive(int v, int k) { return v & (1 << k); }

int encode (int n, int x, int y)
{
  if( !preCalculate )
  {
    int cnt = 1;

    for(int m = 0 ; cnt <= n ; m++)
      if( __builtin_popcount( m ) == 6 ) mask[ cnt++ ] = m;

      preCalculate = true;
  }

  x = mask[ x ];
  y = mask[ y ];

  for(int j = 0 ; j < 12 ; j++)
    if( isActive( x , j ) && !isActive( y , j ) ) return j + 1;
}
int mask[930];

bool isActive(int v, int k) { return v & (1 << k); }

int decode (int n, int q, int h)
{
	h--;
	
	if( !preCalculate )
  {
    int cnt = 1;

    for(int m = 0 ; cnt <= n ; m++)
      if( __builtin_popcount( m ) == 6 ) mask[ cnt++ ] = m;

      preCalculate = true;
  }

	if( isActive( mask[ q ] , h ) ) return 1;
	return 0;
}

Compilation message

encoder.cpp: In function 'int encode(int, int, int)':
encoder.cpp:13:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int m = 0 ; cnt <= n ; m++)
     ^~~
encoder.cpp:16:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
       preCalculate = true;
       ^~~~~~~~~~~~
encoder.cpp:24:1: warning: control reaches end of non-void function [-Wreturn-type]
 }
 ^

decoder.cpp: In function 'int decode(int, int, int)':
decoder.cpp:9:7: error: 'preCalculate' was not declared in this scope
  if( !preCalculate )
       ^~~~~~~~~~~~
decoder.cpp:13:5: warning: this 'for' clause does not guard... [-Wmisleading-indentation]
     for(int m = 0 ; cnt <= n ; m++)
     ^~~
decoder.cpp:16:7: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the 'for'
       preCalculate = true;
       ^~~~~~~~~~~~