//In the name of God
#include <bits/stdc++.h>
//#include <fstream>
#include "artclass.h"
using namespace std;
typedef int ll;
typedef pair<ll, ll> pll;
const ll maxn = 500;
const ll mod = 1e9 + 7;
const ll inf = 1e9;
#define fast_io ios::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define file_io freopen("input.txt", "r+", stdin);freopen("output.txt", "w+", stdout);
#define pb push_back
#define Mp make_pair
#define F first
#define S second
#define Sz(x) ll((x).size())
#define all(x) (x).begin(), (x).end()
ll diff(ll r1, ll g1, ll b1, ll r2, ll g2, ll b2){
return (abs(r1 - r2) + abs(g1 - g2) + abs(b1 - b2));
}
ll a[maxn * maxn];
ll val1(int h, int w, int r[500][500], int g[500][500], int b[500][500]){
for(ll i = 1; i < h; i++){
for(ll j = 1; j < w; j++){
a[i * w + j] = diff(r[i][j], g[i][j], b[i][j], r[i - 1][j], g[i - 1][j], b[i - 1][j]);
}
}
sort(a, a + (h - 1) * (w - 1));
return a[(h - 1) * (w - 1) * 70 / 100];
}
long double val2(int h, int w, int r[500][500], int g[500][500], int b[500][500]){
ll t = 0;
for(ll i = 1; i < h; i++){
for(ll j = 1; j < w; j++){
if(diff(r[i][j], g[i][j], b[i][j], r[i - 1][j], g[i - 1][j], b[i - 1][j]) > 30 ||
diff(r[i][j], g[i][j], b[i][j], r[i][j - 1], g[i][j - 1], b[i][j - 1]) > 30){
t++;
}
}
}
return (1.0 * t) / (1.0 * w * h) * 100;
}
long double val3(int h, int w, int r[500][500], int g[500][500], int b[500][500]){
ll t = 0;
for(ll i = 0; i < h; i++){
for(ll j = 0; j < w; j++){
t += g[i][j] - r[i][j] - b[i][j] * 2 / 3;
}
}
return (1.0 * t) / (1.0 * w * h);
}
int style(int h, int w, int r[500][500], int g[500][500], int b[500][500]) {
ll x1 = val1(h, w, r, g, b);
long double x2 = val2(h, w, r, g, b);
if(x2 < 5) return 4;
if(x1 > 85 || x2 > 70) return 3;
if(val3(h, w, r, g, b) > -70) return 2;
if(x2 < 35) return 1;
return 2;
}
/*int main(){
//fast_io;
ll h, w, r[maxn][maxn], g[maxn][maxn], b[maxn][maxn];
for(char i = '1'; i <= '4'; i++){
for(char j = '1'; j <= '9'; j++){
string s = "images/style-";
s += i;
s += "/style-";
s += i;
s += "-";
s += j;
s += ".txt";
ifstream mf(s);
mf >> h >> w;
for(ll x = 0; x < h; x++){
for(ll y = 0; y < w; y++){
mf >> r[x][y] >> g[x][y] >> b[x][y];
}
}
cout << i << '-' << j << " -> " << style(h, w, r, g, b) << "\n";//val1(h, w, r, g, b) << " " << val3(h, w, r, g, b) << "\n";
}
cout << "------------\n";
}
return 0;
}*/
