#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;
void encode(int n, int a[]){
for(int i = 0; i < n; i++){
int k = (i << 2);
int f1 = (a[i] >> 6) % 4;
int f2 = (a[i] >> 4) % 4;
int f3 = (a[i] >> 2) % 4;
int f4 = (a[i] >> 0) % 4;
for(int i = 0; i < f1; i++) send((k | 0));
for(int i = 0; i < f2; i++) send((k | 1));
for(int i = 0; i < f3; i++) send((k | 2));
for(int i = 0; i < f4; i++) send((k | 3));
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
void decode(int m, int n, int a[]){
vector < int > pos[m];
for(int i = 0; i < n; i++) pos[(a[i] >> 2)].push_back((a[i] % 4));
for(int i = 0; i < m; i++){
int out = 0;
int cnt[4] = {};
for(int bit : pos[i]) cnt[bit]++;
for(int bit = 0; bit < 4; bit++) out |= (cnt[bit] << (6 - bit * 2));
output(out);
}
}
