#include "artclass.h"
#include<bits/stdc++.h>
using namespace std;
#define ll long long int
#define MOD1 (1000000000+7)
#define MOD (998244353)
#define pb push_back
#define all(x) x.begin(), x.end()
#define en cout << '\n'
#define ff first
#define ss second
#define pii pair<int,int>
#define vi vector<int>
const int N = 1e6+100, M = 1e5+10, K = 52, MX = 30;
int arr[4][2] = {
{0, 1},
{1, 0},
{-1, 0},
{0, -1}
};
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
ll red = 0, blue = 0, green = 0, white = 0, black = 0;
for(int i = 0; i < 500; ++i) for(int j = 0; j < 500; ++j) red += R[i][j];
for(int i = 0; i < 500; ++i) for(int j = 0; j < 500; ++j) green += G[i][j];
for(int i = 0; i < 500; ++i) for(int j = 0; j < 500; ++j) blue += B[i][j];
for(int i = 0; i < 500; ++i) for(int j = 0; j < 500; ++j) white += (B[i][j] >= 100 && G[i][j] >= 100 && R[i][j] >= 100);
for(int i = 0; i < 500; ++i) for(int j = 0; j < 500; ++j) black += (B[i][j] <= 20 && G[i][j] <= 20 && R[i][j] <= 20);
// ll s = red + blue + green;
int coef = 0, row_equality = 0;
for(int i = 0; i < 500; ++i){
for(int j = 0; j < 500; ++j){
for(int k = 0; k < 4; ++k){
int nx = i + arr[k][0];
int ny = j + arr[k][1];
if(nx >= 0 && ny >= 0 && nx < 500 && ny < 500){
int dif = abs(R[i][j]-R[nx][ny]) + abs(G[i][j] - G[nx][ny]) + abs(B[i][j] - B[nx][ny]);
if(dif < 20) coef++;
if(dif < 40){
if(k >= 1 && k <= 2) row_equality++;
}
}
}
}
}
if(row_equality > 500*500*100/51) return 4;
if(white > 500*500 / 3 && coef > 500*500*2) return 1;
if(red > blue && green > blue && coef > 500*500*7/5 && black > 20000){
return 2;
}
// cout << black << ' ';
// cout << red << ' ' << blue << ' ' << green << ' ' << s << ' ' << 500*500*3*150 << '\n';
return 3;
}
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