#include "artclass.h"
#include<bits/stdc++.h>
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
int red=0,green=0,blue=0;
for(int i=0;i<H-1;i++){
for(int j=0;j<W-1;j++){
red+=abs(R[i][j]-R[i][j+1])+abs(R[i][j]-R[i+1][j]);
green+=abs(G[i][j]-G[i][j+1])+abs(G[i][j]-G[i+1][j]);
blue+=abs(B[i][j]-B[i][j+1])+abs(B[i][j]-B[i+1][j]);
}
}
red/=H*W;
green/=H*W;
blue/=H*W;
int sum=red+green+blue;
if(sum<17){
return 4;
} else if(sum<45){
return 1;
} else if(sum<110){
return 2;
} else{
return 3;
}
}
