oj.uz

Submission #8137

# Submission time Handle Problem Language Result Execution time Memory
8137 2014-08-31T13:17:59 Z IohcEjnim Art Class (IOI13_artclass) C++
100 / 100
 178 ms 33536 KB 
#include "artclass.h"
#include <stdio.h>

const int same = 31;

int H, W;
int R[510][510], G[510][510], B[510][510];
bool check[510][510];
int abs(int a) {return a > 0 ? a : -a;}

bool sim(int x, int y, int xx, int yy)
{
    if (abs(R[x][y]-R[xx][yy]) > same) return false;
    if (abs(G[x][y]-G[xx][yy]) > same) return false;
    if (abs(B[x][y]-B[xx][yy]) > same) return false;
    return true;
}

void flood(int x, int y)
{
    if (x < 0 || x >= H || y < 0 || y >= W) return;
    if (check[x][y]) return;
    check[x][y] = true;
    if (sim(x, y, x, y+1)) flood(x, y+1);
    if (sim(x, y, x, y-1)) flood(x, y-1);
    if (sim(x, y, x+1, y)) flood(x+1, y);
    if (sim(x, y, x-1, y)) flood(x-1, y);
}

int style(int h, int w, int r[500][500], int g[500][500], int b[500][500])
{
    H = h; W = w;
    for (int i = 0; i < H; i++)
        for (int j = 0; j < W; j++)
        {
            R[i][j] = r[i][j];
            G[i][j] = g[i][j];
            B[i][j] = b[i][j];
        }
    long long sr = 0, sg = 0, sb = 0;
    for (int i = 0; i < H; i++)
        for (int j = 0; j < W; j++)
        {
            sr += R[i][j];
            sg += G[i][j];
            sb += B[i][j];
        }
    sr /= H*W;
    sg /= H*W;
    sb /= H*W;
    //printf("<%3lld %3lld %3lld> ", sr, sg, sb);

    int cnt = 0;
    for (int i = 0; i < H; i++) for (int j = 0; j < W; j++) check[i][j] = false;
    for (int i = 0; i < H; i++)
        for (int j = 0; j < W; j++)
            if (not check[i][j])
            {
                flood(i, j);
                cnt++;
            }
    //printf("<%6d> ", cnt);

    long long cr = 0, cg = 0, cb = 0;
    for (int i = 0; i < H-1; i++)
        for (int j = 0; j < W-1; j++)
        {
            cr += abs(R[i][j]-R[i][j+1]);
            cg += abs(G[i][j]-G[i][j+1]);
            cb += abs(B[i][j]-B[i][j+1]);
            cr += abs(R[i][j]-R[i+1][j]);
            cg += abs(G[i][j]-G[i+1][j]);
            cb += abs(B[i][j]-B[i+1][j]);
        }
    cr *= 10;
    cg *= 10;
    cb *= 10;
    cr /= H*W;
    cg /= H*W;
    cb /= H*W;
    //printf("<%4lld %4lld %4lld> ", cr, cg, cb);

    if (cnt < 15) return 4;
    if (cr+cg+cb > 1200) return 3;
    if (sb < 80) return 2;
    return 1;
}

Subtask #1
100.0 / 100.0

# Verdict Execution time Memory Grader output
1 Correct 86 ms 33536 KB Output is correct
2 Correct 173 ms 33536 KB Output is correct
3 Correct 124 ms 33536 KB Output is correct
4 Correct 66 ms 20972 KB Output is correct
5 Correct 85 ms 20972 KB Output is correct
6 Correct 178 ms 20972 KB Output is correct
7 Correct 98 ms 13228 KB Output is correct
8 Correct 75 ms 20972 KB Output is correct
9 Correct 78 ms 20972 KB Output is correct
10 Incorrect 110 ms 33536 KB Output isn't correct
11 Incorrect 101 ms 20972 KB Output isn't correct
12 Correct 79 ms 20972 KB Output is correct
13 Correct 125 ms 20972 KB Output is correct
14 Correct 95 ms 20972 KB Output is correct
15 Correct 67 ms 20972 KB Output is correct
16 Correct 98 ms 33536 KB Output is correct
17 Correct 89 ms 20972 KB Output is correct
18 Correct 91 ms 20972 KB Output is correct
19 Correct 137 ms 14632 KB Output is correct
20 Correct 51 ms 20972 KB Output is correct
21 Correct 71 ms 20972 KB Output is correct
22 Incorrect 100 ms 33536 KB Output isn't correct
23 Correct 126 ms 20972 KB Output is correct
24 Correct 49 ms 20972 KB Output is correct
25 Correct 80 ms 13156 KB Output is correct
26 Correct 95 ms 20972 KB Output is correct
27 Correct 109 ms 20972 KB Output is correct
28 Correct 105 ms 33536 KB Output is correct
29 Correct 76 ms 20972 KB Output is correct
30 Correct 87 ms 20972 KB Output is correct
31 Correct 66 ms 20972 KB Output is correct
32 Correct 130 ms 14632 KB Output is correct
33 Correct 30 ms 20972 KB Output is correct
34 Correct 92 ms 20972 KB Output is correct
35 Correct 76 ms 20972 KB Output is correct
36 Incorrect 70 ms 13156 KB Output isn't correct
37 Correct 82 ms 20972 KB Output is correct
38 Correct 86 ms 20972 KB Output is correct
39 Correct 119 ms 33536 KB Output is correct
40 Correct 85 ms 20972 KB Output is correct
41 Correct 143 ms 20972 KB Output is correct
42 Correct 127 ms 20972 KB Output is correct
43 Correct 76 ms 20972 KB Output is correct
44 Correct 37 ms 20972 KB Output is correct
45 Incorrect 86 ms 20972 KB Output isn't correct
46 Correct 78 ms 20972 KB Output is correct
47 Correct 133 ms 33536 KB Output is correct
48 Correct 45 ms 20972 KB Output is correct
49 Correct 140 ms 20972 KB Output is correct
50 Correct 121 ms 20972 KB Output is correct
51 Correct 116 ms 33536 KB Output is correct
52 Correct 53 ms 20972 KB Output is correct
53 Correct 85 ms 20972 KB Output is correct
54 Correct 111 ms 20972 KB Output is correct
55 Correct 57 ms 20972 KB Output is correct
56 Incorrect 105 ms 20972 KB Output isn't correct
57 Correct 89 ms 20972 KB Output is correct
58 Correct 157 ms 14632 KB Output is correct
59 Correct 80 ms 20972 KB Output is correct
60 Correct 87 ms 20972 KB Output is correct
61 Correct 151 ms 33536 KB Output is correct
62 Correct 111 ms 33536 KB Output is correct
63 Correct 61 ms 33536 KB Output is correct
64 Correct 89 ms 20972 KB Output is correct
65 Correct 136 ms 20972 KB Output is correct
66 Correct 137 ms 20972 KB Output is correct
67 Correct 79 ms 20972 KB Output is correct
68 Correct 83 ms 33536 KB Output is correct
69 Incorrect 58 ms 20972 KB Output isn't correct
70 Incorrect 90 ms 20972 KB Output isn't correct
71 Correct 104 ms 13228 KB Output is correct
72 Correct 51 ms 4856 KB Output is correct
73 Correct 76 ms 33536 KB Output is correct
74 Correct 107 ms 13228 KB Output is correct
75 Correct 106 ms 20972 KB Output is correct
76 Correct 84 ms 33536 KB Output is correct
77 Correct 127 ms 33536 KB Output is correct
78 Correct 53 ms 20972 KB Output is correct
79 Correct 100 ms 14632 KB Output is correct
80 Correct 98 ms 33536 KB Output is correct
81 Correct 101 ms 33536 KB Output is correct
82 Correct 95 ms 13228 KB Output is correct
83 Correct 115 ms 13228 KB Output is correct
84 Correct 74 ms 20972 KB Output is correct
85 Correct 98 ms 20972 KB Output is correct
86 Incorrect 107 ms 20972 KB Output isn't correct
87 Correct 122 ms 33536 KB Output is correct
88 Correct 83 ms 20972 KB Output is correct
89 Correct 88 ms 20972 KB Output is correct
90 Correct 100 ms 20972 KB Output is correct
91 Correct 98 ms 20972 KB Output is correct
92 Correct 65 ms 20972 KB Output is correct
93 Correct 95 ms 20972 KB Output is correct
94 Correct 78 ms 20972 KB Output is correct
95 Correct 95 ms 20972 KB Output is correct
96 Correct 81 ms 20972 KB Output is correct
97 Correct 71 ms 20972 KB Output is correct
98 Correct 102 ms 20972 KB Output is correct
99 Correct 99 ms 20972 KB Output is correct
100 Correct 90 ms 33536 KB Output is correct
101 Correct 91 ms 20972 KB Output is correct
102 Incorrect 103 ms 33536 KB Output isn't correct