#include "artclass.h"
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using ld = long double;
void add_dif_abs(int H, int W, int M[500][500], ll &dif_abs) {
for(int i = 0; i < H; ++i) {
for(int j = 0; j < W; ++j) {
if(i + 1 < H) {
dif_abs += abs(M[i][j] - M[i + 1][j]);
}
if(j + 1 < W) {
dif_abs += abs(M[i][j] - M[i][j + 1]);
}
}
}
}
void add_cont(int H, int W, int M[500][500], ll &cont, int vlim) {
for(int i = 0; i < H; ++i) {
for(int j = 0; j < W; ++j) {
if(i + 1 < H) {
cont += (abs(M[i][j] - M[i + 1][j]) > vlim);
}
if(j + 1 < W) {
cont += (abs(M[i][j] - M[i][j + 1]) > vlim);
}
}
}
}
ll contv(int H, int W, int R[500][500], int G[500][500], int B[500][500], int vlim) {
ll cont = 0;
add_cont(H, W, R, cont, vlim);
add_cont(H, W, G, cont, vlim);
add_cont(H, W, B, cont, vlim);
return cont;
}
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
ll dif_abs = 0, cont40 = contv(H, W, R, G, B, 40), cont20 = contv(H, W, R, G, B, 20);
add_dif_abs(H, W, R, dif_abs);
add_dif_abs(H, W, G, dif_abs);
add_dif_abs(H, W, B, dif_abs);
ld v1 = ld(dif_abs) / 1000000., v2 = ld(cont40) / 10000., v3 = ld(cont20) / 10000., v4 = v3 / v2;
int rasp = 0;
if(v1 < 4.) {
rasp = 4;
} else if(v1 > 27. || v3 > 30. || v1 * v2 > 27. * 10.) {
rasp = 3;
} else if(v4 < 3.) {
rasp = 1;
} else
rasp = 2;
//cout << fixed << setprecision(2) << rasp << " " << v1 << " " << v2 << " " << v3 << " " << v4 << "\n";
// cout << fixed << setprecision(2) << (ld(dif_abs) / 1000000.) << " " << (ld(cont40) / 10000.0) << " " << (ld(cont20) / 10000.0)<< " " << (ld(cont20) / ld(cont40)) << "\n";
return rasp;
}
