Submission #1091919

#	Time	Username	Problem	Language	Result	Execution time	Memory
1091919		BarbarBrick	Parrots (IOI11_parrots)	C++14	Compilation error	0 ms	0 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"

void encode(int N, int M[])
{
  for (int i = 0; i < N; i++)
  {
    int message = i << 8 + M[i];
    send(M[i]);
  }
}

decoder

#include "decoder.h"
#include "decoderlib.h"

void decode(int N, int L, int X[])
{
  vector<int> vec;
  int mask = (1 << 8) - 1;
  for (int i = 0; i < L; i++)
  {
    int b = X[i];
    vec.push_back(b);
  }
  sort(vec.begin(), vec.end(), greater<int>());
  for (int i = 0; i < L; i++)
  {
    output(vec[i] & mask);
  }
}

Compilation message (stderr)

encoder.cpp: In function 'void encode(int, int*)':
encoder.cpp:8:26: warning: suggest parentheses around '+' inside '<<' [-Wparentheses]
    8 |     int message = i << 8 + M[i];
      |                        ~~^~~~~~
encoder.cpp:8:9: warning: unused variable 'message' [-Wunused-variable]
    8 |     int message = i << 8 + M[i];
      |         ^~~~~~~

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:6:3: error: 'vector' was not declared in this scope
    6 |   vector<int> vec;
      |   ^~~~~~
decoder.cpp:6:10: error: expected primary-expression before 'int'
    6 |   vector<int> vec;
      |          ^~~
decoder.cpp:11:5: error: 'vec' was not declared in this scope
   11 |     vec.push_back(b);
      |     ^~~
decoder.cpp:13:8: error: 'vec' was not declared in this scope
   13 |   sort(vec.begin(), vec.end(), greater<int>());
      |        ^~~
decoder.cpp:13:32: error: 'greater' was not declared in this scope
   13 |   sort(vec.begin(), vec.end(), greater<int>());
      |                                ^~~~~~~
decoder.cpp:13:40: error: expected primary-expression before 'int'
   13 |   sort(vec.begin(), vec.end(), greater<int>());
      |                                        ^~~
decoder.cpp:13:3: error: 'sort' was not declared in this scope; did you mean 'short'?
   13 |   sort(vec.begin(), vec.end(), greater<int>());
      |   ^~~~
      |   short