Submission #65852

#	Time	Username	Problem	Language	Result	Execution time	Memory
65852		lipschitz	Parrots (IOI11_parrots)	C++14	81 / 100	8 ms	2192 KiB

encoder

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

void encode(int N, int M[])
{
  int i;

  for (i = 0; i < N; i++) {
	  int seq = i << 3;
	  int temp = M[i];

	  for (int j = 0; j < 8; j++) {
		  if (temp & 1) {
			  send(seq + j);
		  }

		  temp >>= 1;
	  }
  }
}

decoder

#include "decoder.h"
#include "decoderlib.h"
#include<algorithm>

using namespace std;

void decode(int N, int L, int X[])
{
  int i, mask = 0x0007;
  int b[64];

  for (int i = 0; i < 64; i++)
	  b[i] = 0;

  sort(X, X + L);

  int seq = 0, ans = 0;
  for(i=0; i<L; i++) {
	  if ((X[i] >> 3)^seq) {
		  b[seq] = ans;
		  ans = 0;
		  seq = X[i] >> 3;
	  }

	  ans += (1 << (X[i] & mask));	  
  }

  b[seq] = ans;

  for (int i = 0; i < N; i++)
	  output(b[i]);
}

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