Submission #1051783

#	Time	Username	Problem	Language	Result	Execution time	Memory
1051783		kachim2	Parrots (IOI11_parrots)	C++17	52 / 100	1 ms	1320 KiB

encoder

#include "encoder.h"
#include "encoderlib.h"
void encode(int N, int M[])
{
  int i;
  for(i=0; i<N; i++){
    int j;
    for(j = 0; j < 4; j++){
      send((((i<<2)|j)<<2 ) | ((M[i] >> (j*2))&3));
    }
  }
}

decoder

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

void decode(int N, int L, int X[])
{
  int i, b;
  int O[128];
  for(i = 0; i < N; i++) O[i] = 0;
  for(i=0; i<L; i++) {
    b = X[i];
    O[b>>4] |= (b&3)<<(((b>>2)&3)*2); 
  }
  for(i = 0; i < N; i++){
    output(O[i]);
  }
}

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