#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])
{
double diff = 0, diff4 = 0;
double black = 0;
double toosimilar = 0;
for (int i = 3; i + 3 < H; i++)
for (int j = 3; j + 3 < W; j++)
{
if (R[i][j] * R[i][j] + G[i][j] * G[i][j] + B[i][j] * B[i][j] >= 3 * 180 * 180)
black++;
double avgR = 0, avgG = 0, avgB = 0;
for (int x = i - 3; x <= i + 3; x++)
for (int y = j - 3; y <= j + 3; y++)
{
avgR += R[x][y], avgG += G[x][y], avgB += B[x][y];
diff += (R[i][j] - R[x][y]) * (R[i][j] - R[x][y]) +
(G[i][j] - G[x][y]) * (G[i][j] - G[x][y]) +
(B[i][j] - B[x][y]) * (B[i][j] - B[x][y]);
}
avgR /= 49, avgB /= 49, avgG /= 49;
diff4 += (R[i][j] - avgR) * (R[i][j] - avgR) +
(G[i][j] - avgG) * (G[i][j] - avgG) +
(B[i][j] - avgB) * (B[i][j] - avgB);
if ((R[i][j] - avgR) * (R[i][j] - avgR) +
(G[i][j] - avgG) * (G[i][j] - avgG) +
(B[i][j] - avgB) * (B[i][j] - avgB) <=
3 * 5 * 5)
toosimilar++;
}
diff /= (H - 6) * (W - 6);
diff4 /= (H - 6) * (W - 6);
black /= (H - 6) * (W - 6);
toosimilar /= (H - 6) * (W - 6);
// cout << fixed << setprecision(2) << diff << ' ' << diff4 << "(" << log10(diff4) << ")" << ' ' << black << ' ' << toosimilar << '\n';
if (diff4 <= 260.0)
return 4;
if (toosimilar <= 0.1)
return 3;
if (diff4 >= 1800.0)
return 3;
if (diff <= 40000.0)
return 4;
if (black >= 0.2 && diff >= 210000.0)
return 1;
if (black >= 0.4)
return 1;
if (toosimilar >= 0.5)
return 1;
return 2;
}
