#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]) {
int block = 0, line = 0, Size = 8;
for (int i = 0; i + Size < H; i += Size) {
for (int j = 0; j + Size < W; j += Size) {
int r = 0, g = 0, b = 0;
for (int x = 0; x < Size; x++) {
for (int y = 0; y < Size; y++) {
r += R[i + x][j + y];
g += G[i + x][j + y];
b += B[i + x][j + y];
}
}
r /= Size * Size, g /= Size * Size, b /= Size * Size;
int sum = 0;
for (int x = 0; x < Size; x++) {
for (int y = 0; y < Size; y++) {
sum += abs(r - R[i + x][j + y]) + abs(g - G[i + x][j + y]) + abs(b - B[i + x][j + y]);
}
}
sum /= Size * Size;
block += sum <= 10;
line += sum >= 100;
}
}
double linep = 1.0 * line * Size * Size / H / W, blockp = 1.0 * block * Size * Size / H / W;
return blockp > 0.25 ? linep < 0.033 ? 4 : 1 : linep < 0.099 ? 2 : 3;
}
