Submission #65839

#	Time	Username	Problem	Language	Result	Execution time	Memory
65839		josw530	Parrots (IOI11_parrots)	C++98	81 / 100	8 ms	2336 KiB

encoder

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

int BIT_MASK[8] = {
	0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01
};

void encode(int N, int M[])
{
  int i;
  
  
  for(i=0; i<N; i++)
  {
	  for(int j = 0; j<8; j++)
	  {
		  if(M[i]&BIT_MASK[j])
			send(i*8 + j);  
	  }
	
  }
    
}

decoder

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

int BIT_MASK[8] = {
	0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01
};

void decode(int N, int L, int X[])
{
  int i;
  int msg[32] = {0};
  for(i=0; i<L; i++) {
    msg[X[i]/8] |= BIT_MASK[X[i]%8];
  }

    for(i=0; i<N; i++) {
    output(msg[i]);
  }
 }

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