oj.uz

Submission #79883

# Submission time Handle Problem Language Result Execution time Memory
79883 2018-10-17T04:28:36 Z antimirage Dango Maker (JOI18_dango_maker) C++17
100 / 100
 854 ms 141140 KB 
#include <bits/stdc++.h>

using namespace std;

const int N = 3005;

int n, m, ans, dp[N][3], fl[N][N][2];

char ar[N][N];

main()
{
    cin >> n >> m;
    for (int i = 1; i <= n; i++)
    {
        scanf("\n");
        for (int j = 1; j <= m; j++)
            scanf("%c", &ar[i][j]);
    }
    for (int i = 1; i <= n; i++)
    {
        for (int j = 1; j <= m; j++)
        {
            if (i > 1 && i < n && ar[i - 1][j] == 'R' && ar[i][j] == 'G' && ar[i + 1][j] == 'W')
                fl[i][j][0] = 1;

            if (j > 1 && j < m && ar[i][j - 1] == 'R' && ar[i][j] == 'G' && ar[i][j + 1] == 'W')
                fl[i][j][1] = 1;
        }
    }
    for (int d = 2; d <= n + m; d++)
    {
        memset(dp, 0, sizeof(dp));
        int last;
        for (int i = 1, j; i <= n; i++)
        {
            j = d - i;
            if ( j < 1 || j > m ) continue;

            dp[i][0] = max( dp[i - 1][0], max( dp[i - 1][1], dp[i - 1][2] ) );

            if (fl[i][j][0]) dp[i][1] = max( dp[i - 1][1], dp[i - 1][0] ) + 1;
            if (fl[i][j][1]) dp[i][2] = max( dp[i - 1][2], dp[i - 1][0] ) + 1;
            last = i;
        }
        ans += max( dp[last][0], max( dp[last][1], dp[last][2] ) );
    }
    cout << ans << endl;
}

Compilation message

dango_maker.cpp:11:6: warning: ISO C++ forbids declaration of 'main' with no type [-Wreturn-type]
 main()
      ^
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:16:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
         scanf("\n");
         ~~~~~^~~~~~
dango_maker.cpp:18:18: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
             scanf("%c", &ar[i][j]);
             ~~~~~^~~~~~~~~~~~~~~~~

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 560 KB Output is correct
3 Correct 3 ms 560 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 3 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 668 KB Output is correct
14 Correct 2 ms 668 KB Output is correct
15 Correct 2 ms 668 KB Output is correct
16 Correct 2 ms 668 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 560 KB Output is correct
3 Correct 3 ms 560 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 3 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 668 KB Output is correct
14 Correct 2 ms 668 KB Output is correct
15 Correct 2 ms 668 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 668 KB Output is correct
18 Correct 3 ms 668 KB Output is correct
19 Correct 2 ms 668 KB Output is correct
20 Correct 2 ms 668 KB Output is correct
21 Correct 2 ms 884 KB Output is correct
22 Correct 2 ms 884 KB Output is correct
23 Correct 2 ms 884 KB Output is correct
24 Correct 2 ms 884 KB Output is correct
25 Correct 2 ms 884 KB Output is correct
26 Correct 2 ms 884 KB Output is correct
27 Correct 3 ms 884 KB Output is correct
28 Correct 2 ms 884 KB Output is correct
29 Correct 2 ms 884 KB Output is correct
30 Correct 2 ms 884 KB Output is correct
31 Correct 2 ms 884 KB Output is correct
32 Correct 2 ms 884 KB Output is correct
33 Correct 2 ms 884 KB Output is correct
34 Correct 2 ms 884 KB Output is correct
35 Correct 2 ms 884 KB Output is correct
36 Correct 3 ms 884 KB Output is correct
37 Correct 3 ms 884 KB Output is correct
38 Correct 2 ms 884 KB Output is correct
39 Correct 2 ms 884 KB Output is correct
40 Correct 2 ms 884 KB Output is correct
41 Correct 2 ms 884 KB Output is correct
42 Correct 2 ms 884 KB Output is correct
43 Correct 2 ms 884 KB Output is correct
44 Correct 2 ms 884 KB Output is correct
45 Correct 3 ms 952 KB Output is correct
46 Correct 2 ms 952 KB Output is correct
47 Correct 2 ms 952 KB Output is correct
48 Correct 3 ms 952 KB Output is correct
49 Correct 3 ms 952 KB Output is correct
50 Correct 2 ms 952 KB Output is correct
51 Correct 3 ms 952 KB Output is correct
52 Correct 3 ms 952 KB Output is correct
53 Correct 2 ms 952 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 2 ms 376 KB Output is correct
2 Correct 2 ms 560 KB Output is correct
3 Correct 3 ms 560 KB Output is correct
4 Correct 2 ms 560 KB Output is correct
5 Correct 2 ms 560 KB Output is correct
6 Correct 2 ms 560 KB Output is correct
7 Correct 3 ms 560 KB Output is correct
8 Correct 2 ms 560 KB Output is correct
9 Correct 2 ms 560 KB Output is correct
10 Correct 2 ms 560 KB Output is correct
11 Correct 2 ms 560 KB Output is correct
12 Correct 2 ms 608 KB Output is correct
13 Correct 2 ms 668 KB Output is correct
14 Correct 2 ms 668 KB Output is correct
15 Correct 2 ms 668 KB Output is correct
16 Correct 2 ms 668 KB Output is correct
17 Correct 2 ms 668 KB Output is correct
18 Correct 3 ms 668 KB Output is correct
19 Correct 2 ms 668 KB Output is correct
20 Correct 2 ms 668 KB Output is correct
21 Correct 2 ms 884 KB Output is correct
22 Correct 2 ms 884 KB Output is correct
23 Correct 2 ms 884 KB Output is correct
24 Correct 2 ms 884 KB Output is correct
25 Correct 2 ms 884 KB Output is correct
26 Correct 2 ms 884 KB Output is correct
27 Correct 3 ms 884 KB Output is correct
28 Correct 2 ms 884 KB Output is correct
29 Correct 2 ms 884 KB Output is correct
30 Correct 2 ms 884 KB Output is correct
31 Correct 2 ms 884 KB Output is correct
32 Correct 2 ms 884 KB Output is correct
33 Correct 2 ms 884 KB Output is correct
34 Correct 2 ms 884 KB Output is correct
35 Correct 2 ms 884 KB Output is correct
36 Correct 3 ms 884 KB Output is correct
37 Correct 3 ms 884 KB Output is correct
38 Correct 2 ms 884 KB Output is correct
39 Correct 2 ms 884 KB Output is correct
40 Correct 2 ms 884 KB Output is correct
41 Correct 2 ms 884 KB Output is correct
42 Correct 2 ms 884 KB Output is correct
43 Correct 2 ms 884 KB Output is correct
44 Correct 2 ms 884 KB Output is correct
45 Correct 3 ms 952 KB Output is correct
46 Correct 2 ms 952 KB Output is correct
47 Correct 2 ms 952 KB Output is correct
48 Correct 3 ms 952 KB Output is correct
49 Correct 3 ms 952 KB Output is correct
50 Correct 2 ms 952 KB Output is correct
51 Correct 3 ms 952 KB Output is correct
52 Correct 3 ms 952 KB Output is correct
53 Correct 2 ms 952 KB Output is correct
54 Correct 7 ms 952 KB Output is correct
55 Correct 28 ms 10168 KB Output is correct
56 Correct 7 ms 10168 KB Output is correct
57 Correct 19 ms 13780 KB Output is correct
58 Correct 82 ms 16616 KB Output is correct
59 Correct 708 ms 90060 KB Output is correct
60 Correct 854 ms 98936 KB Output is correct
61 Correct 692 ms 107716 KB Output is correct
62 Correct 7 ms 107716 KB Output is correct
63 Correct 687 ms 116176 KB Output is correct
64 Correct 606 ms 125188 KB Output is correct
65 Correct 624 ms 133728 KB Output is correct
66 Correct 630 ms 141140 KB Output is correct
67 Correct 589 ms 141140 KB Output is correct
68 Correct 587 ms 141140 KB Output is correct
69 Correct 596 ms 141140 KB Output is correct
70 Correct 78 ms 141140 KB Output is correct
71 Correct 84 ms 141140 KB Output is correct
72 Correct 73 ms 141140 KB Output is correct
73 Correct 73 ms 141140 KB Output is correct
74 Correct 76 ms 141140 KB Output is correct
75 Correct 76 ms 141140 KB Output is correct
76 Correct 78 ms 141140 KB Output is correct
77 Correct 105 ms 141140 KB Output is correct
78 Correct 84 ms 141140 KB Output is correct
79 Correct 96 ms 141140 KB Output is correct
80 Correct 75 ms 141140 KB Output is correct
81 Correct 79 ms 141140 KB Output is correct
82 Correct 74 ms 141140 KB Output is correct
83 Correct 74 ms 141140 KB Output is correct
84 Correct 73 ms 141140 KB Output is correct
85 Correct 78 ms 141140 KB Output is correct
86 Correct 75 ms 141140 KB Output is correct
87 Correct 72 ms 141140 KB Output is correct
88 Correct 73 ms 141140 KB Output is correct
89 Correct 73 ms 141140 KB Output is correct
90 Correct 71 ms 141140 KB Output is correct