#include "artclass.h"
#include <bits/stdc++.h>
using namespace std;
long long difference_mean(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
long long rs = 0, gs = 0, bs = 0;
for (int i = 1; i < H; i++) {
for (int j = 1; j < W; j++) {
rs += abs(R[i][j] - R[i-1][j]) + abs(R[i][j] - R[i][j-1]);
gs += abs(G[i][j] - G[i-1][j]) + abs(G[i][j] - G[i][j-1]);
bs += abs(B[i][j] - B[i-1][j]) + abs(B[i][j] - B[i][j-1]);
}
}
return (rs+gs+bs)/(H*W);
}
long long info[5][2] = {
{0,0},
{34, 11},
{63, 15},
{172, 40},
{11, 2}
};
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
long long df = difference_mean(H, W, R, G, B);
double cv = 1e9;
int ret = 0;
for (int i = 1; i <= 4; i++) {
double v = (double)abs(df-info[i][0])/info[i][1];
if (v < cv) {
cv = v;
ret = i;
}
}
return ret;
}
