#include <bits/stdc++.h>
#include "artclass.h"
using namespace std;
int diff(array<int, 3> a, array<int, 3> b) {
return abs(a[0] - b[0]) + abs(a[1] - b[1]) + abs(a[2] - b[2]);
}
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
array<int, 3> img[500][500];
for (int i = 0; i < H; i++)
for (int j = 0; j < H; j++)
img[i][j] = { R[i][j], G[i][j], B[i][j] };
double difference = 0.;
for (int i = 1; i < H - 1; i++) {
for (int j = 1; j < W - 1; j++) {
difference += diff(img[i][j], img[i - 1][j - 1])
+ diff(img[i][j], img[i - 1][j ])
+ diff(img[i][j], img[i - 1][j + 1])
+ diff(img[i][j], img[i ][j + 1])
+ diff(img[i][j], img[i + 1][j + 1])
+ diff(img[i][j], img[i + 1][j ])
+ diff(img[i][j], img[i + 1][j - 1])
+ diff(img[i][j], img[i ][j - 1]);
}
}
difference /= (H * W);
if (difference <= 85) return 4;
if (difference >= 400) return 3;
double brightness = 0.;
for (int i = 0; i < H; i++)
for (int j = 0; j < H; j++)
brightness += R[i][j] + G[i][j] + B[i][j];
brightness /= (H * W);
//cout << brightness << endl;
if (brightness >= 330) return 1;
return 2;
}
