#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]) {
function<bool(int,int)> white = [&](int a, int b){
if (R[a][b]>150 && G[a][b]>150 && B[a][b]>150) return true;
return false;
};
function<bool(int,int)> black = [&](int a, int b){
if (R[a][b]<70 && G[a][b]<70 && B[a][b]<70) return true;
return false;
};
int totdiff = 0;
int hehe = 0;
for (int i = 0; i < H; i++){
for (int j = 0; j < W; j++){
if (i) {
totdiff+=max(10,abs(R[i][j]-R[i-1][j]));
totdiff+=max(10,abs(G[i][j]-G[i-1][j]));
totdiff+=max(10,abs(B[i][j]-B[i-1][j]));
if (black(i,j) && white(i-1,j)){
hehe++;
}
if (black(i-1,j) && white(i,j)){
hehe++;
}
}
if (j) {
totdiff+=max(10,abs(R[i][j]-R[i][j-1]));
totdiff+=max(10,abs(G[i][j]-G[i][j-1]));
totdiff+=max(10,abs(B[i][j]-B[i][j-1]));
if (black(i,j) && white(i,j-1)){
hehe++;
}
if (white(i,j) && black(i,j-1)){
hehe++;
}
}
}
}
if (totdiff>20000000) return 3;
if (hehe>30) return 1;
if (totdiff>15000000) return 2;
return 4;
}
