#include "encoder.h"
#include "encoderlib.h"
#include <math.h>
#include <iostream>
#include <vector>
using namespace std;
void encode(int N, int M[])
{
int i;
for(i=0; i<N-1; i++){
int b = M[i];
for (int j = 7;j >= 0;--j){
int x = pow(2,j);
if (x <= b){
b-=x;
send(j + i*8);
}
}
}
send(M[N-1]);
send(M[N-1]);
send(M[N-1]);
send(M[N-1]);
send(M[N-1]);
}
#include "decoder.h"
#include "decoderlib.h"
#include <math.h>
#include <iostream>
#include <vector>
#include <cstring>
using namespace std;
void decode(int N, int L, int X[])
{
int i, b;
vector<int> msg(N,0);
short int stuff[256];
memset(stuff, 0, sizeof stuff);
for(i=0; i<L; i++) {
b = X[i] ;
stuff[b]+=1;
}
for (int i= 0; i<=255;++i ){
if (stuff[i] >= 5 ){
stuff[i]-=5;
msg[N-1] = i;
}
}
for(int b= 0; b<=255;++b) {
int f=pow(2,(b%8)) * stuff[b];
msg[b/8] += f;
}
for (int c : msg)output(c);
}
