oj.uz

Submission #469636

# Submission time Handle Problem Language Result Execution time Memory
469636 2021-09-01T14:08:57 Z alextodoran Art Class (IOI13_artclass) C++17
91 / 100
 80 ms 3324 KB 
/**
 ____ ____ ____ ____ ____
||a |||t |||o |||d |||o ||
||__|||__|||__|||__|||__||
|/__\|/__\|/__\|/__\|/__\|

**/

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

using namespace std;

typedef long long ll;

const int HW_MAX = 500;

struct Color
{
    int R, G, B;
};

Color weed = Color{203, 217, 76};
Color grass = Color{50, 150, 68};
Color sky = Color{180, 211, 217};
Color treeShadow = Color{8, 38, 12};

ll sq (ll a)
{
    if(a < 0)
        return -sqrt(-a);
    return sqrt(a);
}

int dist (Color u, Color v)
{
    int r = abs(u.R - v.R);
    int g = abs(u.G - v.G);
    int b = abs(u.B - v.B);
    return sq((r * r + g * g + b * b) / 3);
}

int getMess (int H, int W, int R[HW_MAX][HW_MAX], int G[HW_MAX][HW_MAX], int B[HW_MAX][HW_MAX])
{
    ll res = 0;
    for(int i = 0; i < H; i++)
        for(int j = 0; j < W; j++)
        {
            if(i > 0)
            {
                ll val = abs((R[i][j] + G[i][j] + B[i][j]) - (R[i - 1][j] + G[i - 1][j] + B[i - 1][j]));
                res += val * val;
            }
            if(j > 0)
            {
                ll val = abs((R[i][j] + G[i][j] + B[i][j]) - (R[i][j - 1] + G[i][j - 1] + B[i][j - 1]));
                res += val * val;
            }
        }
    res = sq(res) * 1000;
    res /= (H * W);
    return res;
}
int getNature (int H, int W, int R[HW_MAX][HW_MAX], int G[HW_MAX][HW_MAX], int B[HW_MAX][HW_MAX])
{
    ll res = 0;
    for(int i = 0; i < H; i++)
    {
        for(int j = 0; j < W; j++)
        {
            Color col = {R[i][j], G[i][j], B[i][j]};
            int mn = INT_MAX;
            mn = min(mn, dist(weed, col));
            mn = min(mn, dist(grass, col));
            mn = min(mn, dist(sky, col));
            mn = min(mn, dist(treeShadow, col));
            res += mn;
        }
    }
    res /= (H * W);
    return res;
}
int getWhite (int H, int W, int R[HW_MAX][HW_MAX], int G[HW_MAX][HW_MAX], int B[HW_MAX][HW_MAX])
{
    ll res = 0;
    for(int i = 0; i < H; i += 10)
        for(int j = 0; j < W; j += 10)
        {
            int cntAll = 0;
            int cntBad = 0;
            for(int x = i; x < H && x < i + 10; x++)
                for(int y = j; y < W && y < j + 10; y++)
                {
                    cntAll++;
                    int mx = max({R[x][y], G[x][y], B[x][y]});
                    int mn = min({R[x][y], G[x][y], B[x][y]});
                    if(!(mx - mn < 40 && R[x][y] + G[x][y] + B[x][y] > 170 * 3))
                        cntBad++;
                }
            if(100 * cntBad / cntAll < 10)
                res += 1000;
        }
    res /= (H * W / 100);
    return res;
}

int getBlack (int H, int W, int R[HW_MAX][HW_MAX], int G[HW_MAX][HW_MAX], int B[HW_MAX][HW_MAX])
{
    ll res = 0;
    for(int i = 0; i < H; i++)
    {
        for(int j = 0; j < W; j++)
        {
            int mx = max({R[i][j], G[i][j], B[i][j]});
            int mn = min({R[i][j], G[i][j], B[i][j]});
            if(mx - mn < 80 && R[i][j] + G[i][j] + B[i][j] < 40 * 3 && G[i][j] > R[i][j] + 10 && G[i][j] > B[i][j] + 10)
                res += 1000;
        }
    }
    res /= (H * W);
    return res;
}

int style (int H, int W, int R[HW_MAX][HW_MAX], int G[HW_MAX][HW_MAX], int B[HW_MAX][HW_MAX])
{
    int mess = getMess(H, W, R, G, B);
    int nature = getNature(H, W, R, G, B);
    int white = getWhite(H, W, R, G, B);
    int black = getBlack(H, W, R, G, B);
    if(mess > 300)
        return 3;
    if(nature < 30)
        return 2;
    if(white > 200)
        return 1;
    if(black > 10)
        return 2;
    if(mess > 200)
        return 3;
    if(mess < 100)
        return 4;
    return 2;
}

Subtask #1
91.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 54 ms 2628 KB Output is correct
2 Correct 49 ms 3196 KB Output is correct
3 Correct 42 ms 3200 KB Output is correct
4 Correct 53 ms 2356 KB Output is correct
5 Correct 76 ms 3092 KB Output is correct
6 Correct 45 ms 3184 KB Output is correct
7 Correct 58 ms 2832 KB Output is correct
8 Correct 53 ms 2116 KB Output is correct
9 Correct 42 ms 3204 KB Output is correct
10 Correct 54 ms 3204 KB Output is correct
11 Correct 41 ms 3152 KB Output is correct
12 Correct 67 ms 3112 KB Output is correct
13 Correct 55 ms 2500 KB Output is correct
14 Correct 43 ms 3208 KB Output is correct
15 Correct 30 ms 1476 KB Output is correct
16 Incorrect 56 ms 3140 KB Output isn't correct
17 Correct 68 ms 3164 KB Output is correct
18 Correct 57 ms 2532 KB Output is correct
19 Correct 58 ms 2776 KB Output is correct
20 Incorrect 68 ms 3208 KB Output isn't correct
21 Incorrect 59 ms 3184 KB Output isn't correct
22 Correct 15 ms 900 KB Output is correct
23 Correct 51 ms 3180 KB Output is correct
24 Correct 55 ms 3168 KB Output is correct
25 Correct 56 ms 3196 KB Output is correct
26 Correct 51 ms 3212 KB Output is correct
27 Correct 45 ms 2224 KB Output is correct
28 Correct 58 ms 3096 KB Output is correct
29 Correct 55 ms 2628 KB Output is correct
30 Correct 55 ms 2580 KB Output is correct
31 Correct 63 ms 3140 KB Output is correct
32 Correct 57 ms 1988 KB Output is correct
33 Correct 50 ms 2372 KB Output is correct
34 Correct 52 ms 2476 KB Output is correct
35 Incorrect 51 ms 2420 KB Output isn't correct
36 Correct 53 ms 2416 KB Output is correct
37 Correct 54 ms 2628 KB Output is correct
38 Correct 59 ms 3160 KB Output is correct
39 Incorrect 58 ms 2500 KB Output isn't correct
40 Correct 57 ms 3188 KB Output is correct
41 Correct 40 ms 3128 KB Output is correct
42 Correct 57 ms 3140 KB Output is correct
43 Incorrect 67 ms 3140 KB Output isn't correct
44 Correct 29 ms 1484 KB Output is correct
45 Correct 54 ms 3140 KB Output is correct
46 Correct 56 ms 3144 KB Output is correct
47 Correct 58 ms 2696 KB Output is correct
48 Correct 55 ms 3108 KB Output is correct
49 Correct 66 ms 2648 KB Output is correct
50 Correct 56 ms 3184 KB Output is correct
51 Correct 58 ms 3216 KB Output is correct
52 Correct 44 ms 2092 KB Output is correct
53 Correct 63 ms 3008 KB Output is correct
54 Correct 65 ms 3160 KB Output is correct
55 Correct 55 ms 3144 KB Output is correct
56 Correct 35 ms 1732 KB Output is correct
57 Correct 59 ms 3188 KB Output is correct
58 Correct 53 ms 3268 KB Output is correct
59 Correct 58 ms 2776 KB Output is correct
60 Correct 65 ms 3092 KB Output is correct
61 Correct 43 ms 3212 KB Output is correct
62 Correct 53 ms 3116 KB Output is correct
63 Incorrect 67 ms 3140 KB Output isn't correct
64 Incorrect 57 ms 2648 KB Output isn't correct
65 Correct 55 ms 1956 KB Output is correct
66 Correct 53 ms 3136 KB Output is correct
67 Correct 35 ms 1680 KB Output is correct
68 Correct 63 ms 3092 KB Output is correct
69 Correct 65 ms 3160 KB Output is correct
70 Correct 46 ms 3140 KB Output is correct
71 Incorrect 63 ms 2884 KB Output isn't correct
72 Correct 50 ms 2396 KB Output is correct
73 Correct 41 ms 3212 KB Output is correct
74 Correct 35 ms 1732 KB Output is correct
75 Incorrect 59 ms 3204 KB Output isn't correct
76 Correct 35 ms 1708 KB Output is correct
77 Incorrect 16 ms 3148 KB Output isn't correct
78 Correct 68 ms 3176 KB Output is correct
79 Correct 57 ms 2644 KB Output is correct
80 Correct 56 ms 3144 KB Output is correct
81 Correct 70 ms 3116 KB Output is correct
82 Correct 54 ms 3192 KB Output is correct
83 Correct 54 ms 3112 KB Output is correct
84 Correct 44 ms 3188 KB Output is correct
85 Correct 61 ms 3192 KB Output is correct
86 Correct 54 ms 2588 KB Output is correct
87 Correct 80 ms 3324 KB Output is correct
88 Correct 68 ms 2496 KB Output is correct
89 Correct 41 ms 1996 KB Output is correct
90 Correct 55 ms 2628 KB Output is correct
91 Correct 51 ms 3140 KB Output is correct
92 Correct 51 ms 2440 KB Output is correct
93 Incorrect 61 ms 3108 KB Output isn't correct
94 Incorrect 66 ms 3096 KB Output isn't correct
95 Correct 32 ms 3148 KB Output is correct
96 Correct 52 ms 2516 KB Output is correct
97 Correct 66 ms 3204 KB Output is correct
98 Correct 64 ms 2712 KB Output is correct
99 Correct 63 ms 3208 KB Output is correct
100 Correct 27 ms 1488 KB Output is correct
101 Incorrect 55 ms 3176 KB Output isn't correct
102 Correct 51 ms 2636 KB Output is correct