#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
ll INF = 1e9+7;
ll MOD = 998244353;
typedef pair<ll,ll> ii;
#define iii pair<ll,ii>
#define f(i,a,b) for(ll i = a;i < b;i++)
#define pb push_back
#define vll vector<ll>
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
///I hope I will get uprating and don't make mistakes
///I will never stop programming
///sqrt(-1) Love C++
///Please don't hack me
///@TheofanisOrfanou Theo830
///Think different approaches (bs,dp,greedy,graphs,shortest paths,mst)
///Stay Calm
///Look for special cases
///Beware of overflow and array bounds
///Think the problem backwards
///Deltix Round, Spring 2021 (open for everyone, rated, Div. 1 + Div. 2)
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
uniform_int_distribution<ll> distr;
ll rnd(ll a, ll b){return distr(rng)%(b-a+1)+a;}
#include "artclass.h"
/*
#ifndef __ARTCLASS_H__
#define __ARTCLASS_H__
#ifdef __cplusplus
extern "C" {
#endif
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]);
#ifdef __cplusplus
}
#endif
#endif
#include <stdio.h>
static int DIM[2];
static int R[500][500];
static int G[500][500];
static int B[500][500];
int main() {
FILE *in = fopen("artclass.txt", "r");
if(in == NULL) {
puts("Failed to open input file (artclass.txt).");
return 0;
}
if(fscanf(in, "%d%d", DIM, DIM+1) != 2) {
printf("Line 1: H, W must be integers\n");
return 0;
}
if(DIM[0] < 100 || 500 < DIM[0]) {
printf("Line 1: 100 <= H <= 500\n");
return 0;
}
if(DIM[1] < 100 || 500 < DIM[1]) {
printf("Line 1: 100 <= W <= 500\n");
return 0;
}
for(int i = 0; i< DIM[0]; i++) {
for(int j = 0; j < DIM[1]; j++) {
if(fscanf(in, "%d%d%d", &R[i][j], &G[i][j], &B[i][j]) != 3) {
printf("Line %d: R[i][j], G[i][j], B[i][j] must be integers", i*DIM[1]+j+2, i, j);
return 0;
}
if(R[i][j] < 0 || 255 < R[i][j]) {
printf("Line %d: 0 <= R[%d][%d] <= 255", i*DIM[1]+j+2, i, j);
return 0;
}
if(G[i][j] < 0 || 255 < G[i][j]) {
printf("Line %d: 0 <= G[%d][%d] <= 255", i*DIM[1]+j+2, i, j);
return 0;
}
if(B[i][j] < 0 || 255 < B[i][j]) {
printf("Line %d: 0 <= B[%d][%d] <= 255", i*DIM[1]+j+2, i, j);
return 0;
}
}
}
printf("%d\n", style(DIM[0], DIM[1], R, G, B));
return 0;
}
*/
int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
ll n = H,m = W;
ll posa = (n * m + 3) / 4;
ll ans;
set<ll>ex;
ll prasina = 0;
ll aspro = 0;
f(i,0,n){
f(j,0,m){
ex.insert(R[i][j] + 256 * G[i][j] + 256 * 256 * B[i][j]);
if(G[i][j] >= 50 && max(R[i][j],B[i][j]) <= 20){
prasina++;
}
if(max(G[i][j],R[i][j],B[i][j]) <= 5){
aspro++;
}
}
}
if(posa >= ex.size()){
if(prasina >= ex.size()){
ans = 2;
}
else{
ans = 3;
}
}
else{
if(apsro >= posa){
ans = 1;
}
else{
ans = 4;
}
}
return ans;
}
Compilation message
artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:112:13: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::set<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
112 | if(posa >= ex.size()){
| ~~~~~^~~~~~~~~~~~
artclass.cpp:113:21: warning: comparison of integer expressions of different signedness: 'll' {aka 'long long int'} and 'std::set<long long int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
113 | if(prasina >= ex.size()){
| ~~~~~~~~^~~~~~~~~~~~
artclass.cpp:121:12: error: 'apsro' was not declared in this scope; did you mean 'aspro'?
121 | if(apsro >= posa){
| ^~~~~
| aspro
In file included from /usr/include/c++/10/bits/specfun.h:45,
from /usr/include/c++/10/cmath:1927,
from /usr/include/x86_64-linux-gnu/c++/10/bits/stdc++.h:41,
from artclass.cpp:1:
/usr/include/c++/10/bits/stl_algobase.h: In instantiation of 'constexpr const _Tp& std::max(const _Tp&, const _Tp&, _Compare) [with _Tp = int; _Compare = int]':
artclass.cpp:107:43: required from here
/usr/include/c++/10/bits/stl_algobase.h:303:17: error: '__comp' cannot be used as a function
303 | if (__comp(__a, __b))
| ~~~~~~^~~~~~~~~~
