oj.uz

Submission #518531

# Submission time Handle Problem Language Result Execution time Memory
518531 2022-01-24T03:51:03 Z tabr Art Class (IOI13_artclass) C++17
87 / 100
 68 ms 5188 KB 
#include <bits/stdc++.h>
using namespace std;
#ifdef tabr
#include "library/debug.cpp"
#else
#define debug(...)
#endif

#ifndef tabr
#include "artclass.h"
#endif

struct dsu {
    vector<int> p;
    vector<int> sz;
    int n;

    dsu(int _n) : n(_n) {
        p.resize(n);
        iota(p.begin(), p.end(), 0);
        sz.assign(n, 1);
    }

    inline int get(int x) {
        if (p[x] == x) {
            return x;
        } else {
            return p[x] = get(p[x]);
        }
    }

    inline bool unite(int x, int y) {
        x = get(x);
        y = get(y);
        if (x == y) {
            return false;
        }
        if (sz[x] > sz[y]) {
            swap(x, y);
        }
        p[x] = y;
        sz[y] += sz[x];
        return true;
    }

    inline bool same(int x, int y) {
        return (get(x) == get(y));
    }
};

int style(int h, int w, int r[500][500], int g[500][500], int b[500][500]) {
    dsu uf(h * w);
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w - 1; j++) {
            int dr = abs(r[i][j] - r[i][j + 1]);
            int dg = abs(g[i][j] - g[i][j + 1]);
            int db = abs(b[i][j] - b[i][j + 1]);
            if (min({dr, dg, db}) < 30) {
                uf.unite(i * w + j, i * w + j + 1);
            }
        }
    }
    for (int i = 0; i < h - 1; i++) {
        for (int j = 0; j < w; j++) {
            int dr = abs(r[i][j] - r[i + 1][j]);
            int dg = abs(g[i][j] - g[i + 1][j]);
            int db = abs(b[i][j] - b[i + 1][j]);
            if (min({dr, dg, db}) < 30) {
                uf.unite(i * w + j, i * w + j + w);
            }
        }
    }
    int cnt = 0;
    for (int i = 0; i < h * w; i++) {
        if (uf.get(i) == i) {
            cnt++;
        }
    }
    double ratio = 1.0 * cnt / (h * w);
    debug(ratio);
    if (ratio < 0.0001) {
        return 4;
    }
    if (ratio > 0.02) {
        return 3;
    }
    cnt = 0;
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            int dr = abs(r[i][j] - 130);
            int dg = abs(g[i][j] - 100);
            int db = abs(b[i][j] - 50);
            if (max({dr, dg, db}) < 20) {
                cnt++;
            }
        }
    }
    ratio = 1.0 * cnt / (h * w);
    debug(ratio);
    if (ratio > 0.01) {
        return 2;
    }
    return 1;
}

#ifdef tabr
int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int h, w;
    cin >> h >> w;
    int r[500][500];
    int g[500][500];
    int b[500][500];
    for (int i = 0; i < h; i++) {
        for (int j = 0; j < w; j++) {
            cin >> r[i][j] >> g[i][j] >> b[i][j];
        }
    }
    cout << style(h, w, r, g, b) << '\n';
    return 0;
}
#endif

Subtask #1
87.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 40 ms 3964 KB Output is correct
2 Correct 50 ms 4240 KB Output is correct
3 Correct 34 ms 4424 KB Output is correct
4 Correct 41 ms 3932 KB Output is correct
5 Correct 48 ms 4948 KB Output is correct
6 Correct 47 ms 3908 KB Output is correct
7 Correct 43 ms 4124 KB Output is correct
8 Correct 36 ms 3332 KB Output is correct
9 Correct 57 ms 5140 KB Output is correct
10 Correct 37 ms 4384 KB Output is correct
11 Correct 43 ms 4816 KB Output is correct
12 Correct 29 ms 2816 KB Output is correct
13 Correct 52 ms 5084 KB Output is correct
14 Correct 39 ms 3808 KB Output is correct
15 Correct 46 ms 4292 KB Output is correct
16 Correct 13 ms 3660 KB Output is correct
17 Incorrect 51 ms 5156 KB Output isn't correct
18 Correct 41 ms 4124 KB Output is correct
19 Correct 44 ms 4164 KB Output is correct
20 Correct 26 ms 4164 KB Output is correct
21 Incorrect 32 ms 4364 KB Output isn't correct
22 Incorrect 50 ms 4932 KB Output isn't correct
23 Correct 46 ms 4540 KB Output is correct
24 Incorrect 28 ms 4196 KB Output isn't correct
25 Incorrect 27 ms 2736 KB Output isn't correct
26 Correct 58 ms 4792 KB Output is correct
27 Correct 39 ms 4184 KB Output is correct
28 Correct 43 ms 3796 KB Output is correct
29 Correct 48 ms 4572 KB Output is correct
30 Correct 50 ms 4752 KB Output is correct
31 Correct 52 ms 5040 KB Output is correct
32 Correct 36 ms 3340 KB Output is correct
33 Correct 53 ms 4804 KB Output is correct
34 Incorrect 52 ms 5072 KB Output isn't correct
35 Incorrect 44 ms 4800 KB Output isn't correct
36 Correct 43 ms 4232 KB Output is correct
37 Correct 49 ms 4860 KB Output is correct
38 Correct 46 ms 4828 KB Output is correct
39 Correct 34 ms 4424 KB Output is correct
40 Correct 44 ms 4364 KB Output is correct
41 Correct 49 ms 4060 KB Output is correct
42 Correct 49 ms 4932 KB Output is correct
43 Incorrect 47 ms 4548 KB Output isn't correct
44 Correct 47 ms 4296 KB Output is correct
45 Correct 11 ms 1284 KB Output is correct
46 Correct 28 ms 2252 KB Output is correct
47 Correct 51 ms 4376 KB Output is correct
48 Correct 43 ms 4744 KB Output is correct
49 Correct 68 ms 5128 KB Output is correct
50 Correct 50 ms 4932 KB Output is correct
51 Correct 41 ms 4732 KB Output is correct
52 Correct 42 ms 4072 KB Output is correct
53 Correct 43 ms 4716 KB Output is correct
54 Correct 29 ms 2344 KB Output is correct
55 Correct 42 ms 4668 KB Output is correct
56 Correct 28 ms 2756 KB Output is correct
57 Correct 60 ms 5132 KB Output is correct
58 Correct 52 ms 5072 KB Output is correct
59 Correct 52 ms 4172 KB Output is correct
60 Correct 52 ms 4800 KB Output is correct
61 Incorrect 41 ms 4724 KB Output isn't correct
62 Correct 48 ms 4808 KB Output is correct
63 Correct 40 ms 3968 KB Output is correct
64 Correct 46 ms 4800 KB Output is correct
65 Correct 42 ms 4036 KB Output is correct
66 Correct 52 ms 5036 KB Output is correct
67 Correct 35 ms 4544 KB Output is correct
68 Correct 46 ms 4748 KB Output is correct
69 Correct 52 ms 4240 KB Output is correct
70 Correct 44 ms 4712 KB Output is correct
71 Correct 49 ms 3140 KB Output is correct
72 Correct 40 ms 4020 KB Output is correct
73 Correct 33 ms 4268 KB Output is correct
74 Correct 51 ms 5060 KB Output is correct
75 Correct 46 ms 4888 KB Output is correct
76 Correct 43 ms 4740 KB Output is correct
77 Incorrect 45 ms 4296 KB Output isn't correct
78 Correct 23 ms 2180 KB Output is correct
79 Correct 47 ms 4836 KB Output is correct
80 Incorrect 45 ms 4420 KB Output isn't correct
81 Correct 36 ms 3496 KB Output is correct
82 Correct 35 ms 3448 KB Output is correct
83 Correct 36 ms 4456 KB Output is correct
84 Correct 59 ms 5188 KB Output is correct
85 Correct 57 ms 4816 KB Output is correct
86 Incorrect 34 ms 4340 KB Output isn't correct
87 Incorrect 51 ms 5108 KB Output isn't correct
88 Correct 31 ms 4300 KB Output is correct
89 Correct 49 ms 4208 KB Output is correct
90 Incorrect 41 ms 4008 KB Output isn't correct
91 Correct 50 ms 4656 KB Output is correct
92 Correct 32 ms 2776 KB Output is correct
93 Incorrect 65 ms 4972 KB Output isn't correct
94 Correct 40 ms 4764 KB Output is correct
95 Correct 45 ms 4776 KB Output is correct
96 Incorrect 28 ms 2892 KB Output isn't correct
97 Correct 46 ms 4500 KB Output is correct
98 Correct 51 ms 5148 KB Output is correct
99 Correct 43 ms 4744 KB Output is correct
100 Correct 37 ms 4520 KB Output is correct
101 Correct 44 ms 4392 KB Output is correct
102 Correct 39 ms 4500 KB Output is correct