Submission #102862

#	Time	Username	Problem	Language	Result	Execution time	Memory
102862		wxh010910	Art Class (IOI13_artclass)	C++17	49 / 100	114 ms	6140 KiB

artclass

#include <bits/stdc++.h>
#include "artclass.h"

using namespace std;

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
  double diff = 0;
  for (int i = 0; i < H; ++i) {
    for (int j = 0; j < W; ++j) {
      int sumR = 0, sumG = 0, sumB = 0, cnt = 0;
      for (int x = i - 1; x <= i + 1; ++x) {
        for (int y = j - 1; y <= j + 1; ++y) {
          if (x >= 0 && x < H && y >= 0 && y < W) {
            sumR += R[x][y];
            sumG += G[x][y];
            sumB += B[x][y];
            ++cnt;
          }
        }
      }
      double diffR = fabs(R[i][j] - (double) sumR / cnt);
      double diffG = fabs(G[i][j] - (double) sumG / cnt);
      double diffB = fabs(B[i][j] - (double) sumB / cnt);
      diff += diffR + diffG + diffB;
    }
  }
  diff /= 3 * H * W;
  if (diff >= 10) {
    return 3;
  } else if (diff < 1.8) {
    return 4;
  } else {
    return 1;
  }
}

• Subtask 1: 49 / 100