#include "artclass.h"
#include <bits/stdc++.h>
using namespace std;
int style(int h, int w, int r[500][500], int g[500][500], int b[500][500]) {
vector<int> differences;
map<array<int, 3>, int> freq;
int s1 = 0;
int s2 = 0;
for (int i = 0; i < h; i++)
{
for (int j = 0; j < w; j++)
{
for (int k = -1; k <= 1; k++)
{
for (int l = -1; l <= 1; l++)
{
int i2 = i + k;
int j2 = j + l;
if (i2 == i && j2 == j) continue;
if (i2 >= 0 && i2 < h && j2 >= 0 && j2 < w)
{
int cdiff = abs(r[i2][j2] - r[i][j]);
cdiff += abs(g[i2][j2] - g[i][j]);
cdiff += abs(b[i2][j2] - b[i][j]);
cdiff *= cdiff;
differences.push_back(cdiff);
}
}
}
freq[{r[i][j], g[i][j], b[i][j]}]++;
}
}
for (int i = 0; i < h; i++)
{
bool hSimilar = 1;
array<int, 3> prev = {r[i][0], g[i][0], b[i][0]};
for (int j = 1; j < w; j++)
{
array<int, 3> cur = {r[i][j], g[i][j], b[i][j]};
int diff = 0;
for (int k = 0; k < 3; k++) diff += abs(cur[k] - prev[k]);
if (diff > 100) hSimilar = false;
}
s1 += hSimilar;
}
for (int j = 0; j < w; j++)
{
bool vSimilar = 1;
array<int, 3> prev = {r[0][j], g[0][j], b[0][j]};
for (int i = 1; i < h; i++)
{
array<int, 3> cur = {r[i][j], g[i][j], b[i][j]};
int diff = 0;
for (int k = 0; k < 3; k++) diff += abs(cur[k] - prev[k]);
if (diff > 100) vSimilar = false;
}
s2 += vSimilar;
}
int diff = 0;
double sum = 0;
for (auto it = freq.begin(); it != freq.end(); it++)
{
sum += it->second * it->second;
diff++;
}
if (sum / diff > 1000)
{
double x1 = s1;
x1 /= h;
double x2 = s2;
x2 /= w;
if (x1 >= 0.2 || x2 >= 0.2) return 4;
return 1;
} else return 2;
}
