#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;
#define ll int
ll PW(ll a, ll p){
ll res = 1;
for (ll i = 0; i < p; i++)res *= a;
return res;
}
void encode(int N, int M[]){
// int i;
// map<int, int>mp;
// for(i=0; i<N; i++)
// mp[M[i]]++;
// vector<array<int, 2>>v;
// for(auto [x, frq]: mp)
// v.push_back({frq, x});
// sort(v.begin(), v.end());
// for(auto [frq, x]: v)
// send(x);
ll valId[N][9];
ll id = 0;
for (ll i = 0; i < N; i++){
for (ll j = 0; j < 4; j++)
valId[i][j] = id++;
}
// cout << "Message" << endl;
for (ll i = 0; i < N; i++){
for (ll j = 0; j < 4; j++){
ll V = PW(4, j);
for (ll k = 0; k < ((M[i] / V) % 4); k++){
// cout << valId[i][j] << ' ';
// cout << endl;
send(valId[i][j]);
}
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
#define ll int
ll PWW(ll a, ll p){
ll res = 1;
for (ll i = 0; i < p; i++)res *= a;
return res;
}
void decode(int N, int L, int X[])
{
// int i, b;
// for(i=0; i<L; i++) {
// b = X[i];
// for(int j = 0; j <= i; j++)
// output(b);
// }
ll valId[N][9], frq[300]{};
ll id = 0;
for (ll i = 0; i < N; i++){
for (ll j = 0; j < 4; j++)
valId[i][j] = id++;
}
for (ll i = 0; i < L; i++)frq[X[i]]++;
// cout << "freq" << endl;
// for (ll i = 0; i < 24; i++)
// cout << i << " = " << frq[i] << endl;
for (ll i = 0; i < N; i++){
ll val = 0;
for (ll j = 0; j < 4; j++){
ll V = PWW(4, j);
val += V * frq[valId[i][j]];
}
// cout << val << ' ';
// cout << endl;
output(val);
}
}
