Submission #64630

#	Time	Username	Problem	Language	Result	Execution time	Memory
64630		gnoor	Parrots (IOI11_parrots)	C++17	81 / 100	10 ms	2312 KiB

encoder

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

#include <cassert>
#include <cstdio>

void encode(int N, int M[])
{
	assert(N<=32);
	for (int i=0;i<N;i++) {
		for (int j=0;j<8;j++) {
			if (M[i]&(1<<j)) send(i*8+j);
		}
	}
}

decoder

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

#include <cstdio>

int ans[70];

void decode(int N, int L, int X[])
{
  int i, b;
  for (int i=0;i<N;i++) ans[i]=0;
  for(i=0; i<L; i++) {
    b = X[i];
	int pos=X[i]/8;
	int off=X[i]%8;
	ans[pos]^=(1<<off);
  }
  for (int i=0;i<N;i++) {
	output(ans[i]);
  }
}

Compilation message (stderr)

decoder.cpp: In function 'void decode(int, int, int*)':
decoder.cpp:10:10: warning: variable 'b' set but not used [-Wunused-but-set-variable]
   int i, b;
          ^

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