#include <bits/stdc++.h>
#include "artclass.h"
using namespace std;
const int HIGHDIFF_DIFF = 20;
const int HIGHDIFF_LIMIT = 2000;
const double GREEN_RATIO = 0.6;
const int GREEN_LOW_GREEN = 100;
const int GREEN_GREEN_RED_DIFF = 50;
const int GREEN_GREEN_BLUE_DIFF = 50;
int style(int n, int m, int r[500][500], int g[500][500], int b[500][500]) {
int gcnt = 0 , highdiff = 0;
for( int i = 0 ; i < n ; i++ )
for( int j = 0 ; j < m ; j++ ) {
if(j+1 < m)
if(abs(r[i][j]-r[i][j+1]) >= HIGHDIFF_DIFF)
if(abs(g[i][j]-g[i][j+1]) >= HIGHDIFF_DIFF)
if(abs(b[i][j]-b[i][j+1]) >= HIGHDIFF_DIFF)
highdiff++;
if(i+1 < n)
if(abs(r[i][j]-r[i+1][j]) >= HIGHDIFF_DIFF)
if(abs(g[i][j]-g[i+1][j]) >= HIGHDIFF_DIFF)
if(abs(b[i][j]-b[i+1][j]) >= HIGHDIFF_DIFF)
highdiff++;
if(g[i][j] >= GREEN_LOW_GREEN)
if(g[i][j]-b[i][j] >= GREEN_GREEN_BLUE_DIFF)
if(g[i][j]-r[i][j] >= GREEN_GREEN_RED_DIFF)
gcnt++;
}
int ans;
if(gcnt >= n*m*GREEN_RATIO)
ans = 2;
else if(highdiff <= HIGHDIFF_LIMIT)
ans = 1;
else
ans = 4;
return ans = 1;
}
