#include "artclass.h"
#include <cmath>
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
double v = 0;
for (int i = 0; i < H - 1; ++i) {
for (int j = 0; j < W - 1; ++j) {
v += std::abs(R[i][j] - R[i][j+1]) + std::abs(G[i][j] - G[i][j+1]) + std::abs(B[i][j] - B[i][j+1]);
v += std::abs(R[i][j] - R[i+1][j]) + std::abs(G[i][j] - G[i+1][j]) + std::abs(B[i][j] - B[i+1][j]);
}
}
v /= (H * W);
if (v > 60) return 1;
if (v < 15) return 4;
double g = 0;
for (int i = 0; i < H; ++i) {
for (int j = 0; j < W; ++j) {
g += G[i][j];
}
}
g /= (H * W);
if (g > 100) return 2;
return 3;
}
