#include "encoder.h"
#include "encoderlib.h"
#include <bits/stdc++.h>
using namespace std;
static const int K = 10;
static int A[K * K * K * K], B[320];
void encode(int N, int M[]) {
vector< pair<int, int> > vec;
for (int i = 0; i < K * K * K * K; ++i) {
int val = i;
int cnt = 0;
for (int j = 0; j < 4; ++j) {
cnt += val % K, val /= K;
}
vec.push_back({cnt, i});
}
sort(vec.begin(), vec.end());
for (int i = 0; i < 320; ++i) A[vec[i].second] = i, B[i] = vec[i].second;
for (int i = 0; i < N; ++i) {
int P = -1;
for (int j = 0; j < i; ++j) {
if (M[j] == M[i]) { P = j; break; }
}
int val = M[i];
if (P != -1) val = 256 + P;
val = B[val];
for (int j = 0; j < 4; ++j) {
int tmp = val % K; val /= K;
while (tmp--) send(i * 4 + j);
}
}
}
#include "decoder.h"
#include "decoderlib.h"
#include <bits/stdc++.h>
using namespace std;
static const int K = 10;
static int res[64];
static int cnt[256];
static int A[K * K * K * K], B[320];
void decode(int N, int L, int X[]) {
vector< pair<int, int> > vec;
for (int i = 0; i < K * K * K * K; ++i) {
int val = i;
int cnt = 0;
for (int j = 0; j < 4; ++j) {
cnt += val % K, val /= K;
}
vec.push_back({cnt, i});
}
sort(vec.begin(), vec.end());
for (int i = 0; i < 320; ++i) A[vec[i].second] = i, B[i] = vec[i].second;
memset(cnt, 0, sizeof cnt);
for (int i = 0; i < L; ++i) cnt[X[i]]++;
for (int i = 0; i < N; ++i) {
int val = 0;
for (int j = 3; j >= 0; --j) {
val = val * K + cnt[i * 4 + j];
}
val = A[val];
if (val < 256) res[i] = val;
else res[i] = res[val - 256];
output(res[i]);
}
}
