Submission #795956

#	Time	Username	Problem	Language	Result	Execution time	Memory
795956		hgmhc	Parrots (IOI11_parrots)	C++17	34 / 100	1 ms	988 KiB

encoder

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

void encode(int n, int a[])
{
  for (int i = 0; i < n; ++i)
    send(i|(a[i]<<4));
}

// a[i] < 2^8

decoder

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

static const int N = 20;
static int ans[N];

void decode(int n, int l, int x[])
{
  for (int i = 0; i < l; ++i) {
    int b = x[i];
    ans[b&0b1111] = b>>4;
  }
  for (int i = 0; i < n; ++i)
    output(ans[i]);
}
// ans[i] < 2^8

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