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Submission #770327

# Submission time Handle Problem Language Result Execution time Memory
770327 2023-07-01T05:39:40 Z gun_gan Dango Maker (JOI18_dango_maker) C++17
100 / 100
 116 ms 18976 KB 
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;

const int MX = 3005;

int N, M;
int dp[MX][3];
string c[MX];

int main() {
      cin.tie(0); ios_base::sync_with_stdio(0);

      cin >> N >> M;
      for(int i = 0; i < N; i++) cin >> c[i];
      
      int ans = 0;
      for(int s = 0; s < N + M - 2; s++) {
            for(int i = 0; i < MX; i++) 
                  for(int k = 0; k < 3; k++) dp[i][k] = 0;

            for(int i = 0; i <= min(s, N - 1); i++) { // i + j = s
                  int j = s - i;
                  if(j >= M) continue;

                  dp[i][0] = (i - 1 < 0 ? 0 : max({dp[i - 1][0], dp[i - 1][1], dp[i - 1][2]}));
                  if(c[i][j] == 'G') {
                        if(j - 1 >= 0 && j + 1 < M && c[i][j - 1] == 'R' && c[i][j + 1] == 'W') {
                              dp[i][1] = (i - 1 < 0 ? 0 : max(dp[i - 1][0], dp[i - 1][1])) + 1;
                        } 
                        if(i - 1 >= 0 && i + 1 < N && c[i - 1][j] == 'R' && c[i + 1][j] == 'W') {
                              dp[i][2] = (i - 1 < 0 ? 0 : max(dp[i - 1][0], dp[i - 1][2])) + 1;
                        }
                  }
            }

            ans += max({dp[min(s, N - 1)][0], dp[min(s, N - 1)][1], dp[min(s, N - 1)][2]});
      }

      cout << ans << '\n';
}

Subtask #1
13.0 / 13.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 412 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 416 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 412 KB Output is correct

Subtask #2
20.0 / 20.0

# Verdict Execution time Memory Grader output
1 Correct 1 ms 412 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 416 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 412 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 416 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 416 KB Output is correct
24 Correct 1 ms 404 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 412 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 0 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 1 ms 416 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 416 KB Output is correct
37 Correct 0 ms 420 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 412 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 420 KB Output is correct
42 Correct 0 ms 408 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 1 ms 424 KB Output is correct
46 Correct 1 ms 416 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 420 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 412 KB Output is correct
2 Correct 0 ms 340 KB Output is correct
3 Correct 0 ms 340 KB Output is correct
4 Correct 0 ms 340 KB Output is correct
5 Correct 0 ms 340 KB Output is correct
6 Correct 1 ms 416 KB Output is correct
7 Correct 0 ms 340 KB Output is correct
8 Correct 0 ms 340 KB Output is correct
9 Correct 1 ms 340 KB Output is correct
10 Correct 1 ms 340 KB Output is correct
11 Correct 0 ms 340 KB Output is correct
12 Correct 1 ms 340 KB Output is correct
13 Correct 1 ms 340 KB Output is correct
14 Correct 1 ms 340 KB Output is correct
15 Correct 0 ms 340 KB Output is correct
16 Correct 1 ms 412 KB Output is correct
17 Correct 0 ms 340 KB Output is correct
18 Correct 0 ms 340 KB Output is correct
19 Correct 1 ms 340 KB Output is correct
20 Correct 0 ms 416 KB Output is correct
21 Correct 1 ms 340 KB Output is correct
22 Correct 0 ms 340 KB Output is correct
23 Correct 0 ms 416 KB Output is correct
24 Correct 1 ms 404 KB Output is correct
25 Correct 1 ms 340 KB Output is correct
26 Correct 0 ms 412 KB Output is correct
27 Correct 0 ms 340 KB Output is correct
28 Correct 0 ms 340 KB Output is correct
29 Correct 1 ms 468 KB Output is correct
30 Correct 0 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 1 ms 416 KB Output is correct
35 Correct 1 ms 340 KB Output is correct
36 Correct 1 ms 416 KB Output is correct
37 Correct 0 ms 420 KB Output is correct
38 Correct 1 ms 340 KB Output is correct
39 Correct 1 ms 412 KB Output is correct
40 Correct 1 ms 340 KB Output is correct
41 Correct 1 ms 420 KB Output is correct
42 Correct 0 ms 408 KB Output is correct
43 Correct 0 ms 340 KB Output is correct
44 Correct 0 ms 340 KB Output is correct
45 Correct 1 ms 424 KB Output is correct
46 Correct 1 ms 416 KB Output is correct
47 Correct 1 ms 340 KB Output is correct
48 Correct 1 ms 340 KB Output is correct
49 Correct 0 ms 340 KB Output is correct
50 Correct 1 ms 340 KB Output is correct
51 Correct 0 ms 340 KB Output is correct
52 Correct 1 ms 420 KB Output is correct
53 Correct 1 ms 340 KB Output is correct
54 Correct 9 ms 452 KB Output is correct
55 Correct 14 ms 420 KB Output is correct
56 Correct 9 ms 468 KB Output is correct
57 Correct 7 ms 468 KB Output is correct
58 Correct 16 ms 2388 KB Output is correct
59 Correct 116 ms 18968 KB Output is correct
60 Correct 114 ms 18968 KB Output is correct
61 Correct 115 ms 18972 KB Output is correct
62 Correct 8 ms 340 KB Output is correct
63 Correct 110 ms 18208 KB Output is correct
64 Correct 79 ms 18972 KB Output is correct
65 Correct 100 ms 18972 KB Output is correct
66 Correct 94 ms 18924 KB Output is correct
67 Correct 75 ms 18972 KB Output is correct
68 Correct 77 ms 18968 KB Output is correct
69 Correct 78 ms 18976 KB Output is correct
70 Correct 12 ms 2388 KB Output is correct
71 Correct 12 ms 2472 KB Output is correct
72 Correct 12 ms 2460 KB Output is correct
73 Correct 12 ms 2496 KB Output is correct
74 Correct 12 ms 2444 KB Output is correct
75 Correct 12 ms 2388 KB Output is correct
76 Correct 12 ms 2388 KB Output is correct
77 Correct 12 ms 2492 KB Output is correct
78 Correct 12 ms 2388 KB Output is correct
79 Correct 14 ms 2492 KB Output is correct
80 Correct 13 ms 2476 KB Output is correct
81 Correct 12 ms 2440 KB Output is correct
82 Correct 13 ms 2472 KB Output is correct
83 Correct 12 ms 2484 KB Output is correct
84 Correct 12 ms 2456 KB Output is correct
85 Correct 12 ms 2476 KB Output is correct
86 Correct 12 ms 2448 KB Output is correct
87 Correct 12 ms 2492 KB Output is correct
88 Correct 13 ms 2484 KB Output is correct
89 Correct 12 ms 2476 KB Output is correct
90 Correct 12 ms 2480 KB Output is correct