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Submission #837652

# Submission time Handle Problem Language Result Execution time Memory
837652 2023-08-25T13:39:57 Z Koyote Dango Maker (JOI18_dango_maker) C++11
100 / 100
 288 ms 18004 KB 
#include <bits/stdc++.h>
using namespace std;

const int maxN = 3e3 + 2;
char mat[maxN][maxN], str[maxN][3];
int dp[maxN][3];

int main() {
    cin.tie(nullptr)->sync_with_stdio(false);
    int n, m; cin >> n >> m;
    for (int i = 0; i < n; i++)
        for (int j = 0; j < m; j++) cin >> mat[i][j];

    int ans = 0;
    for (int i = 1; i < n + m - 2; i++) {
        memset(str, 0, sizeof(str));
        memset(dp, 0, sizeof(dp));

        for (int j = 0; j < m; j++) {
            for (int k = 0; k < 3; k++) {
                int r = i + k - 1 - j, c = j;
                if (r < 0 || r >= n) continue;
                str[j][k] = mat[r][c];
            }
        }

        for (int j = 0; j < m; j++) {
            for (int k = 0; k < 3; k++) {
                dp[j + 1][0] = max(dp[j + 1][0], dp[j][k]);
                if (str[j][1] != 'G') continue;
                if (j && k != 1 && str[j - 1][0] == 'R' && str[j + 1][2] == 'W') 
                    dp[j + 1][2] = max(dp[j + 1][2], dp[j][k] + 1);
                if (k != 2 && str[j][0] == 'R' && str[j][2] == 'W') 
                    dp[j + 1][1] = max(dp[j + 1][1], dp[j][k] + 1);
            }
        }
        ans += max({dp[m][0], dp[m][1], dp[m][2]});
    }
    cout << ans << '\n';
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 464 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 464 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 464 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 464 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 324 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 388 KB Output is correct
48 Correct 0 ms 332 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct

Subtask #3
67.0 / 67.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 212 KB Output is correct
2 Correct 1 ms 212 KB Output is correct
3 Correct 0 ms 212 KB Output is correct
4 Correct 1 ms 340 KB Output is correct
5 Correct 1 ms 340 KB Output is correct
6 Correct 1 ms 340 KB Output is correct
7 Correct 1 ms 340 KB Output is correct
8 Correct 1 ms 464 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 0 ms 340 KB Output is correct
11 Correct 1 ms 340 KB Output is correct
12 Correct 1 ms 464 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 1 ms 340 KB Output is correct
16 Correct 0 ms 340 KB Output is correct
17 Correct 1 ms 340 KB Output is correct
18 Correct 1 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 1 ms 340 KB Output is correct
21 Correct 0 ms 340 KB Output is correct
22 Correct 1 ms 340 KB Output is correct
23 Correct 1 ms 340 KB Output is correct
24 Correct 0 ms 340 KB Output is correct
25 Correct 0 ms 340 KB Output is correct
26 Correct 0 ms 340 KB Output is correct
27 Correct 1 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 340 KB Output is correct
30 Correct 1 ms 340 KB Output is correct
31 Correct 1 ms 340 KB Output is correct
32 Correct 1 ms 340 KB Output is correct
33 Correct 1 ms 340 KB Output is correct
34 Correct 0 ms 340 KB Output is correct
35 Correct 0 ms 340 KB Output is correct
36 Correct 0 ms 340 KB Output is correct
37 Correct 1 ms 340 KB Output is correct
38 Correct 0 ms 340 KB Output is correct
39 Correct 1 ms 340 KB Output is correct
40 Correct 0 ms 332 KB Output is correct
41 Correct 0 ms 340 KB Output is correct
42 Correct 1 ms 340 KB Output is correct
43 Correct 0 ms 324 KB Output is correct
44 Correct 1 ms 340 KB Output is correct
45 Correct 1 ms 340 KB Output is correct
46 Correct 0 ms 340 KB Output is correct
47 Correct 1 ms 388 KB Output is correct
48 Correct 0 ms 332 KB Output is correct
49 Correct 1 ms 340 KB Output is correct
50 Correct 0 ms 340 KB Output is correct
51 Correct 1 ms 340 KB Output is correct
52 Correct 1 ms 340 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 70 ms 364 KB Output is correct
55 Correct 6 ms 9172 KB Output is correct
56 Correct 77 ms 384 KB Output is correct
57 Correct 4 ms 6228 KB Output is correct
58 Correct 30 ms 4180 KB Output is correct
59 Correct 288 ms 17976 KB Output is correct
60 Correct 269 ms 18004 KB Output is correct
61 Correct 268 ms 17976 KB Output is correct
62 Correct 64 ms 340 KB Output is correct
63 Correct 263 ms 17684 KB Output is correct
64 Correct 242 ms 17984 KB Output is correct
65 Correct 264 ms 17984 KB Output is correct
66 Correct 260 ms 17868 KB Output is correct
67 Correct 233 ms 17940 KB Output is correct
68 Correct 238 ms 17952 KB Output is correct
69 Correct 234 ms 17976 KB Output is correct
70 Correct 28 ms 4180 KB Output is correct
71 Correct 27 ms 4180 KB Output is correct
72 Correct 30 ms 4280 KB Output is correct
73 Correct 28 ms 4172 KB Output is correct
74 Correct 28 ms 4180 KB Output is correct
75 Correct 28 ms 4180 KB Output is correct
76 Correct 28 ms 4196 KB Output is correct
77 Correct 30 ms 4180 KB Output is correct
78 Correct 28 ms 4180 KB Output is correct
79 Correct 29 ms 4180 KB Output is correct
80 Correct 29 ms 4180 KB Output is correct
81 Correct 29 ms 4180 KB Output is correct
82 Correct 31 ms 4180 KB Output is correct
83 Correct 35 ms 4180 KB Output is correct
84 Correct 29 ms 4180 KB Output is correct
85 Correct 27 ms 4180 KB Output is correct
86 Correct 27 ms 4180 KB Output is correct
87 Correct 29 ms 4180 KB Output is correct
88 Correct 30 ms 4180 KB Output is correct
89 Correct 33 ms 4180 KB Output is correct
90 Correct 30 ms 4172 KB Output is correct