#include "encoder.h"
#include "encoderlib.h"
#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i = 0; i < n; i ++)
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define vi vector<int>
#define pb push_back
#define F first
#define S second
void encode(int N, int M[]){
int n = N;
int a[105];
REP(i,n) a[i] = M[i];
vi v1,v2;
REP(i,n){
int times = 1;
if(i >= 32) times++;
int cur = (i%32)*8;
REP(j,8){
if(a[i]&(1<<j)){
REP(k,times){
v1.pb(cur+j);
}
}
else{
REP(k,times){
v2.pb(cur+j);
}
}
}
}
if(v1.size() <= 6*n){
for(auto x:v1) send(x);
}
else{
map<int,int> m;
for(auto x:v2) m[x]++;
for(auto x:m){
if(x.S >= 2){
m[x.F] += 2;
break;
}
}
for(auto x:m){
REP(y,x.S) send(x.F);
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include<bits/stdc++.h>
using namespace std;
#define REP(i,n) for(int i = 0; i < n; i ++)
#define FOR(i,a,b) for(int i = a; i < b; i ++)
#define F first
#define S second
void decode(int N, int L, int X[]){
int ans[105];
REP(i,N) ans[i] = 0;
map<int,int> m;
REP(i,L) m[X[i]]++;
bool flag = 0;
for(auto x:m){
if(x.S >= 4){
flag = 1;
m[x.F] -= 2;
break;
}
}
for(auto x:m){
int ind = x.F/8;
if(x.S&2) ans[ind+32] += (1<<(x.F%8));
if(x.S&1) ans[ind] += (1<<(x.F%8));
}
if(!flag){
REP(i,N) output(ans[i]);
}
else{
REP(i,N) output(255-ans[i]);
}
}
