oj.uz

Submission #962296

# Submission time Handle Problem Language Result Execution time Memory
962296 2024-04-13T10:11:59 Z danikoynov Art Class (IOI13_artclass) C++14
65 / 100
 58 ms 11460 KB 
#include "artclass.h"
#include<bits/stdc++.h>
using namespace std;

struct pixel
{
    double r, g, b;
    pixel(double _r = 0.0, double _g = 0.0, double _b = 0.0)
    {
         r = _r;
         g = _g;
         b = _b;
    }
};

//pixel avg_st[5];
pixel image[510][510];
int h, w;

pixel avg_dev[5];

void init()
{
  //   avg_st[1] = pixel(189.852, 166.758, 147.354);
    // avg_st[2] = pixel(102.854, 98.1113, 64.2302);
    // avg_st[3] = pixel(140.586, 128.459, 107.031);
    // avg_st[4] = pixel(158.108, 89.7725, 55.3149);

    avg_dev[1] = pixel(420.707, 429.94, 475.923);
    avg_dev[2] = pixel(255.938, 241.82, 189.427);
    avg_dev[3] = pixel(1563.29, 1532.6, 1435.09);
    avg_dev[4] = pixel(25.4556, 23.6549, 35.4133);
}

double penalty[5];

pixel average_pixel(int stx, int sty, int enx, int eny)
{
     double sr = 0.0;
     double sg = 0.0;
     double sb = 0.0;

     for (int i = stx; i <= enx; i ++)
          for (int j = sty; j <= eny; j ++)
     {
          sr += image[i][j].r;
          sg += image[i][j].g;
          sb += image[i][j].b;
     }

     double cnt = (enx - stx + 1) * (eny - sty + 1);
     sr /= cnt;
     sg /= cnt;
     sb /= cnt;
     return pixel(sr, sg, sb);
}

pixel region_deviation(int stx, int sty, int enx, int eny)
{
     pixel avg = average_pixel(stx, sty, enx, eny);

     double dr = 0.0;
     double dg = 0.0;
     double db = 0.0;

     for (int i = stx; i <= enx; i ++)
     {
          for (int j = sty; j <= eny; j ++)
          {
               double delta_red = abs(image[i][j].r - avg.r);
               double delta_green = abs(image[i][j].g - avg.g);
               double delta_blue = abs(image[i][j].b - avg.b);

               delta_red = delta_red * delta_red;
               delta_green = delta_green * delta_green;
               delta_blue = delta_blue * delta_blue;

               dr += delta_red;
               dg += delta_green;
               db += delta_blue;
          }
     }

     double cnt = (enx - stx + 1) * (eny - sty + 1);

     dr /= cnt;
     dg /= cnt;
     db /= cnt;

     return pixel(dr, dg, db);
}

const int block = 4;
pixel get_average_block_deviation()
{
     pixel avg;
     double cnt = 0.0;
         for (int i = 0; i < h - block + 1; i ++)
     for (int j = 0; j < w - block + 1; j ++)
     {
          int stx = i, sty = j;
          int enx = min(h, i + block) - 1;
          int eny = min(w, j + block) - 1;


          pixel cur = region_deviation(stx, sty, enx, eny);
          avg.r += cur.r;
          avg.g += cur.g;
          avg.b += cur.b;
          cnt ++;
     }

     avg.r /= cnt;
     avg.g /= cnt;
     avg.b /= cnt;
     return avg;
     //cout << "average deviation" << endl;
     //cout << avg.r << " " << avg.g << " " << avg.b << endl;
}

int style(int H, int W, int R[500][500], int G[500][500], int B[500][500]) {
    init();
    h = H;
    w = W;
    for (int i = 0; i < h; i ++)
     for (int j = 0; j < w; j ++)
    {
         image[i][j] = pixel(R[i][j], G[i][j], B[i][j]);
    }

    pixel dev = get_average_block_deviation();
    for (int s = 1; s <= 4; s ++)
    {
         double dr = abs(dev.r - avg_dev[s].r);
         double dg = abs(dev.g - avg_dev[s].g);
         double db = abs(dev.b - avg_dev[s].b);

         dr = dr * dr;
         dg = dg * dg;
         db = db * db;
         penalty[s] += dr + dg + db;
    }
    int mx = 1;
    for (int i = 1; i <= 4; i ++)
    {
         if (penalty[i] < penalty[mx])
          mx = i;
    }
    return mx;
}

Subtask #1
65.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 23 ms 10060 KB Output is correct
2 Correct 28 ms 10448 KB Output is correct
3 Correct 33 ms 10388 KB Output is correct
4 Correct 47 ms 10684 KB Output is correct
5 Correct 53 ms 11244 KB Output is correct
6 Correct 58 ms 11104 KB Output is correct
7 Incorrect 52 ms 10832 KB Output isn't correct
8 Correct 31 ms 10328 KB Output is correct
9 Correct 40 ms 10844 KB Output is correct
10 Correct 33 ms 10332 KB Output is correct
11 Correct 45 ms 10760 KB Output is correct
12 Correct 26 ms 10484 KB Output is correct
13 Correct 26 ms 10332 KB Output is correct
14 Correct 43 ms 10564 KB Output is correct
15 Correct 12 ms 9816 KB Output is correct
16 Incorrect 43 ms 10844 KB Output isn't correct
17 Correct 43 ms 10948 KB Output is correct
18 Correct 45 ms 10836 KB Output is correct
19 Incorrect 54 ms 11056 KB Output isn't correct
20 Correct 40 ms 10408 KB Output is correct
21 Incorrect 54 ms 11360 KB Output isn't correct
22 Correct 41 ms 10860 KB Output is correct
23 Correct 45 ms 10912 KB Output is correct
24 Correct 49 ms 10828 KB Output is correct
25 Correct 28 ms 10324 KB Output is correct
26 Correct 47 ms 11000 KB Output is correct
27 Correct 42 ms 10712 KB Output is correct
28 Correct 48 ms 10912 KB Output is correct
29 Correct 40 ms 10836 KB Output is correct
30 Correct 54 ms 11088 KB Output is correct
31 Correct 54 ms 11460 KB Output is correct
32 Correct 42 ms 10588 KB Output is correct
33 Incorrect 48 ms 11056 KB Output isn't correct
34 Correct 31 ms 10408 KB Output is correct
35 Correct 48 ms 11092 KB Output is correct
36 Correct 44 ms 10796 KB Output is correct
37 Correct 23 ms 10084 KB Output is correct
38 Correct 43 ms 10964 KB Output is correct
39 Incorrect 48 ms 11248 KB Output isn't correct
40 Correct 39 ms 10580 KB Output is correct
41 Correct 30 ms 10332 KB Output is correct
42 Correct 45 ms 10580 KB Output is correct
43 Incorrect 43 ms 10840 KB Output isn't correct
44 Incorrect 49 ms 10836 KB Output isn't correct
45 Incorrect 34 ms 10624 KB Output isn't correct
46 Correct 46 ms 10992 KB Output is correct
47 Incorrect 50 ms 11088 KB Output isn't correct
48 Correct 42 ms 10544 KB Output is correct
49 Correct 42 ms 10820 KB Output is correct
50 Incorrect 58 ms 11280 KB Output isn't correct
51 Incorrect 52 ms 11348 KB Output isn't correct
52 Correct 28 ms 10328 KB Output is correct
53 Incorrect 44 ms 10832 KB Output isn't correct
54 Correct 51 ms 10488 KB Output is correct
55 Correct 47 ms 10852 KB Output is correct
56 Incorrect 58 ms 11244 KB Output isn't correct
57 Incorrect 47 ms 10576 KB Output isn't correct
58 Correct 54 ms 10688 KB Output is correct
59 Correct 47 ms 10908 KB Output is correct
60 Correct 50 ms 10904 KB Output is correct
61 Incorrect 40 ms 10580 KB Output isn't correct
62 Correct 50 ms 10932 KB Output is correct
63 Correct 42 ms 10544 KB Output is correct
64 Correct 35 ms 10588 KB Output is correct
65 Correct 34 ms 10328 KB Output is correct
66 Incorrect 41 ms 10696 KB Output isn't correct
67 Correct 39 ms 10836 KB Output is correct
68 Correct 50 ms 11188 KB Output is correct
69 Correct 29 ms 10320 KB Output is correct
70 Incorrect 50 ms 11100 KB Output isn't correct
71 Correct 45 ms 10976 KB Output is correct
72 Correct 44 ms 10968 KB Output is correct
73 Correct 28 ms 10400 KB Output is correct
74 Incorrect 45 ms 10936 KB Output isn't correct
75 Incorrect 52 ms 11252 KB Output isn't correct
76 Correct 34 ms 10580 KB Output is correct
77 Correct 34 ms 10356 KB Output is correct
78 Correct 44 ms 10840 KB Output is correct
79 Correct 37 ms 10608 KB Output is correct
80 Correct 43 ms 10904 KB Output is correct
81 Correct 44 ms 10800 KB Output is correct
82 Correct 58 ms 11088 KB Output is correct
83 Correct 49 ms 11236 KB Output is correct
84 Correct 13 ms 9956 KB Output is correct
85 Incorrect 45 ms 10804 KB Output isn't correct
86 Correct 43 ms 10980 KB Output is correct
87 Correct 54 ms 11248 KB Output is correct
88 Correct 46 ms 10756 KB Output is correct
89 Correct 52 ms 11276 KB Output is correct
90 Incorrect 53 ms 11348 KB Output isn't correct
91 Incorrect 42 ms 10644 KB Output isn't correct
92 Correct 43 ms 10692 KB Output is correct
93 Correct 45 ms 10932 KB Output is correct
94 Correct 43 ms 10580 KB Output is correct
95 Incorrect 44 ms 10836 KB Output isn't correct
96 Correct 45 ms 10892 KB Output is correct
97 Correct 44 ms 10828 KB Output is correct
98 Incorrect 56 ms 11244 KB Output isn't correct
99 Correct 45 ms 10964 KB Output is correct
100 Correct 33 ms 10460 KB Output is correct
101 Correct 43 ms 10872 KB Output is correct
102 Incorrect 53 ms 11248 KB Output isn't correct