Submission #651740

#	Time	Username	Problem	Language	Result	Execution time	Memory
651740		LucaGreg	Art Class (IOI13_artclass)	C++17	60 / 100	77 ms	23684 KiB

artclass

#include "artclass.h"
#include <bits/stdc++.h>
// #include <iostream>
// #include <vector>
using namespace std;
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+6>red && green+6>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;
   memset(marc, 0, sizeof(marc));
  int mx = 0;
  for(int i=0;i<l;i++){
      for(int j=0;j<c;j++){
          if(marc[i][j] == 0){
               mx = max(mx, find_comp(i,j));
           //    int sz_comp = find_comp(i, j);
           //    qtd_comp_++;
           //    if(sz_comp>min_sz_comp) qtd_bigcomp_++;
          }
      }
  }
 
  return mx;
}
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)/22);
  min_bigcomp = 1;
  min_bigcomp_group14 = 6;
  //min_qtd_green = ((l*c)/4);
  min_dif = 5;
  min_colors_sum = 350;
  //min_qtd_greencomp = 8;
  min_sz_greencomp = ((l*c)/30);
  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;
 
//    cout << qtd_bigcomp << endl;
  if(qtd_bigcomp>min_bigcomp){
       for(int i = 0 ; i < l ; i++)
       {
           for(int j = 0 ; j < c ; j++)
           {
               int sum = R[i][j] + G[i][j] + B[i][j];
               if( sum < 80 )
                   return 1;
           }
       }
       return 4;
  }
    min_dif=10;
   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;*/
 }
// int r[500][500], g[500][500], b[500][500];
// int main()
// {
//    int n, m;
//    cin >> n >> m;
//    for(int i = 0 ; i < n ; i++)
//        for(int j = 0 ; j < m ; j++)
//            cin >> r[i][j] >> g[i][j] >> b[i][j];
//    cout << style(n, m, r, g, b) << endl;
// }
 
 
 

Compilation message (stderr)

artclass.cpp: In function 'int style(int, int, int (*)[500], int (*)[500], int (*)[500])':
artclass.cpp:135:7: warning: unused variable 'qtd_comp' [-Wunused-variable]
  135 |   int qtd_comp = aux.second;
      |       ^~~~~~~~
artclass.cpp:151:8: warning: unused variable 'qtd_green' [-Wunused-variable]
  151 |    int qtd_green = do_green_image();
      |        ^~~~~~~~~

• Subtask 1: 60 / 100