#include "artclass.h"
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
int i, j;
int avg[3], dif = 0;
int GCnt = 0;
for (i = 1; i < H - 1; i++) {
for (j = 1; j < W - 1; j++) {
avg[0] = (R[i - 1][j - 1] + R[i - 1][j] + R[i - 1][j + 1] + R[i][j - 1] + R[i][j] + R[i][j + 1] + R[i + 1][j - 1] + R[i + 1][j] + R[i + 1][j + 1]) / 9 - R[i][j];
avg[1] = (G[i - 1][j - 1] + G[i - 1][j] + G[i - 1][j + 1] + G[i][j - 1] + G[i][j] + G[i][j + 1] + G[i + 1][j - 1] + G[i + 1][j] + G[i + 1][j + 1]) / 9 - G[i][j];
avg[2] = (B[i - 1][j - 1] + B[i - 1][j] + B[i - 1][j + 1] + B[i][j - 1] + B[i][j] + B[i][j + 1] + B[i + 1][j - 1] + B[i + 1][j] + B[i + 1][j + 1]) / 9 - B[i][j];
if (avg[0] < 0) avg[0] *= -1;
if (avg[1] < 0) avg[1] *= -1;
if (avg[2] < 0) avg[2] *= -1;
dif += (avg[0] + avg[1] + avg[2]);
GCnt += (R[i][j] - G[i][j] - B[i][j]);
}
}
if (dif < 999999) return 4;
if (GCnt > -15000000) return 2;
return 1;
}
