Submission #65805

#	Time	Username	Problem	Language	Result	Execution time	Memory
65805		ho94949	Parrots (IOI11_parrots)	C++17	52 / 100	12 ms	2272 KiB

encoder

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

void encode(int N, int M[])
{
  int ans = 0;
  for(int i=0; i<N; ++i)
    for(int j=7; j>=0; --j)
    {
      if(M[i]&(1<<j)) ++ans;
      if(ans != 256) send(ans);
    }
}

decoder

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

#include <vector>
#include <algorithm>
#include <cstdio>

void decode(int N, int L, int X[])
{
  std::vector<int> p(X, X+L); 
  while((int)p.size() <= 8*N) p.push_back(256);
  p.push_back(0);
  std::sort(p.begin(), p.end());
  int ans = 0;
  for(int i=0; i<L; ++i)
  {
    ans = 2 * ans + (p[i+1] - p[i]);
    if((i&7) == 7)
    {
      output(ans);
      ans = 0;
    }
  }
}

• Subtask 1: 17 / 17
• Subtask 2: 17 / 17
• Subtask 3: 18 / 18
• Subtask 4: 0 / 29
• Subtask 5: 0 / 19