#include "artclass.h"
#include <cstdlib>
#include <cmath>
#include <cstdio>
#define absol(p,q,r,s) (abs(R[r][s] - R[p][q]) + abs(G[r][s] - G[p][q]) + abs(B[r][s] - B[p][q]))
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
double delta = 0;
for (int i=0; i<H; i++) {
for (int j=0; j<W-1; j++) {
delta += pow(absol(i,j,i,j+1),0.3);
}
}
for (int j=0; j<W; j++) {
for (int i=0; i<H-1; i++) {
delta += pow(absol(i,j,i+1,j),0.3);
}
}
double t = 100.0 * delta / (2 * W * H - H - W);
// return (int)t;
if(t < 140) return 4;
else if(t < 225) return 1;
else if(t < 300) return 2;
return 3;
}
