Submission #651733

#	Time	Username	Problem	Language	Result	Execution time	Memory
651733		LucaGreg	Art Class (IOI13_artclass)	C++17	23 / 100	72 ms	22280 KiB

artclass

#include <bits/stdc++.h>

using namespace std;

#include "artclass.h"

int l, c;

int min_sz_comp;
int min_bigcomp;
int min_bigcomp_group14;
int min_qtd_green;
int min_dif;
int min_colors_sum;
int min_qtd_greencomp;
int min_sz_greencomp;

struct pixel{
    int red, green, blue;
    pixel(int r = 0, int g = 0, int b = 0){
        red = r;
        green = g;
        blue = b;
    }
    
    bool operator == (pixel b){
        int red_dif = abs((*this).red - b.red);
        int green_dif = abs((*this).green - b.green);
        int blue_dif = abs((*this).blue - b.blue);
        return (red_dif<=min_dif && green_dif<=min_dif && blue_dif<=min_dif);
    }
    
    bool isGreen(){
        int sum = red + green + blue;
        return ((green>red && green>blue) && sum<min_colors_sum);
    }
};

pixel image[510][510];
bool green_image[510][510];
int marc[510][510];

int dl[] = {-1, 0, 1, 0};
int dc[] = {0, 1, 0, -1};

int find_comp(int li, int ci){
    int qtd_pixel = 1;
    marc[li][ci] = 1;
    for(int i=0;i<4;i++){
        int vizl = li + dl[i];
        int vizc = ci + dc[i];
        if(vizl<0 || vizl>l-1) continue;
        if(vizc<0 || vizc>c-1) continue;
        if(marc[vizl][vizc] == 1) continue;
        if(image[vizl][vizc] == image[li][ci]) qtd_pixel += find_comp(vizl, vizc);
    }
    return qtd_pixel;
}

pair<int, int> find_bigcomp(){
    memset(marc, 0, sizeof(marc));
    int qtd_bigcomp_ = 0;
    int qtd_comp_ = 0;
    for(int i=0;i<l;i++){
        for(int j=0;j<c;j++){
            if(marc[i][j] == 0){
                int sz_comp = find_comp(i, j);
                qtd_comp_++;
                if(sz_comp>min_sz_comp) qtd_bigcomp_++;
            }
        }
    }
    return {qtd_bigcomp_, qtd_comp_};
}

int do_green_image(){
    int qtd_green_ = 0;
    for(int i=0;i<l;i++){
        for(int j=0;j<c;j++){
            green_image[i][j] = image[i][j].isGreen();
            qtd_green_ += green_image[i][j];
        }
    }
    return qtd_green_;
}

int marc_greencomp(int li, int ci){
    int sz_greencomp = 1;
    marc[li][ci] = 1;
    for(int i=0;i<4;i++){
        int vizl = li + dl[i];
        int vizc = ci + dc[i];
        if(vizl<0 || vizl>l-1) continue;
        if(vizc<0 || vizc>c-1) continue;
        if(marc[vizl][vizc] == 1) continue;
        if(green_image[vizl][vizc]) sz_greencomp += marc_greencomp(vizl, vizc);
    }
    return sz_greencomp;
}

int find_greencomp(){
    memset(marc, 0, sizeof(marc));
    int max_sz_greencomp = 0;
    int qtd_greencomp_ = 0;
    for(int i=0;i<l;i++){
        for(int j=0;j<c;j++){
            if(marc[i][j] == 0 && green_image[i][j]){
                max_sz_greencomp = max(max_sz_greencomp, marc_greencomp(i, j));
                qtd_greencomp_++;
            }
        }
    }
    return max_sz_greencomp;
}

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
    l = H;
    c = W;
    min_sz_comp = ((l*c)/15);
    min_bigcomp = 2;
    min_bigcomp_group14 = 6;
    //min_qtd_green = ((l*c)/4);
    min_dif = 5;
    min_colors_sum = 300;
    //min_qtd_greencomp = 8;
    min_sz_greencomp = ((l*c)/15);
    for(int i=0;i<l;i++){
        for(int j=0;j<c;j++){
            image[i][j] = pixel(R[i][j], G[i][j], B[i][j]);
        }
    }
    pair<int, int> aux = find_bigcomp();
    int qtd_bigcomp = aux.first;
    int qtd_comp = aux.second;

    if(qtd_bigcomp>min_bigcomp){
        if(qtd_bigcomp<min_bigcomp_group14) return 4;
        else return 1;
    }
    
    
    int qtd_green = do_green_image();
    /*if(qtd_green<min_qtd_green){
        return 3;
    }*/
    
    int max_sz_greencomp = find_greencomp();
    if(max_sz_greencomp>min_sz_greencomp) return 2;
    else return 3;
    /*if(qtd_greencomp<min_qtd_greencomp) return 2;
    else return 3;*/
    
}

Compilation message (stderr)

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:134:9: warning: unused variable 'qtd_comp' [-Wunused-variable]
  134 |     int qtd_comp = aux.second;
      |         ^~~~~~~~
artclass.cpp:142:9: warning: unused variable 'qtd_green' [-Wunused-variable]
  142 |     int qtd_green = do_green_image();
      |         ^~~~~~~~~

• Subtask 1: 23 / 100