#include <bits/stdc++.h>
using namespace std;
int N, M;
char arr[3005][3005];
int dp[3][3005][3005]; //0 ntg, 1 hor, 2 ver
int main(){
cin.sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> N >> M;
for(int i = 1; i<=N; i++){
for(int j = 1; j<=M; j++){
cin >> arr[i][j];
}
}
int lst = 0, pre = 0;
for(int d = 2; d<=N+M; d++){
for(int r = 1; r<=N; r++){
int c = d-r;
if(c <= 0 || c > M){
continue;
}
dp[0][r][c] = max({lst, dp[0][r-1][c+1], dp[1][r-1][c+1], dp[2][r-1][c+1]});
if(arr[r][c] == 'G' && arr[r][c-1] == 'R' && arr[r][c+1] == 'W'){
dp[1][r][c] = max({dp[0][r-1][c+1], dp[1][r-1][c+1], pre}) + 1;
}
if(arr[r][c] == 'G' && arr[r-1][c] == 'R' && arr[r+1][c] == 'W'){
dp[2][r][c] = max({dp[0][r-1][c+1], dp[2][r-1][c+1], pre}) + 1;
}
lst = max({dp[0][r][c], dp[1][r][c], dp[2][r][c]});
}
pre = lst;
}
cout << pre << "\n";
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
6 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
6 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
416 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
512 KB |
Output is correct |
21 |
Correct |
5 ms |
512 KB |
Output is correct |
22 |
Correct |
5 ms |
512 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
4 ms |
384 KB |
Output is correct |
27 |
Correct |
5 ms |
512 KB |
Output is correct |
28 |
Correct |
5 ms |
512 KB |
Output is correct |
29 |
Correct |
4 ms |
512 KB |
Output is correct |
30 |
Correct |
5 ms |
512 KB |
Output is correct |
31 |
Correct |
5 ms |
384 KB |
Output is correct |
32 |
Correct |
5 ms |
384 KB |
Output is correct |
33 |
Correct |
5 ms |
512 KB |
Output is correct |
34 |
Correct |
5 ms |
512 KB |
Output is correct |
35 |
Correct |
5 ms |
512 KB |
Output is correct |
36 |
Correct |
5 ms |
512 KB |
Output is correct |
37 |
Correct |
4 ms |
512 KB |
Output is correct |
38 |
Correct |
4 ms |
512 KB |
Output is correct |
39 |
Correct |
4 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
4 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
512 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
5 ms |
512 KB |
Output is correct |
47 |
Correct |
5 ms |
512 KB |
Output is correct |
48 |
Correct |
5 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
640 KB |
Output is correct |
51 |
Correct |
13 ms |
564 KB |
Output is correct |
52 |
Correct |
4 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
512 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
4 ms |
384 KB |
Output is correct |
2 |
Correct |
5 ms |
384 KB |
Output is correct |
3 |
Correct |
5 ms |
384 KB |
Output is correct |
4 |
Correct |
4 ms |
384 KB |
Output is correct |
5 |
Correct |
4 ms |
384 KB |
Output is correct |
6 |
Correct |
5 ms |
384 KB |
Output is correct |
7 |
Correct |
6 ms |
384 KB |
Output is correct |
8 |
Correct |
5 ms |
384 KB |
Output is correct |
9 |
Correct |
5 ms |
384 KB |
Output is correct |
10 |
Correct |
5 ms |
384 KB |
Output is correct |
11 |
Correct |
4 ms |
384 KB |
Output is correct |
12 |
Correct |
5 ms |
384 KB |
Output is correct |
13 |
Correct |
5 ms |
384 KB |
Output is correct |
14 |
Correct |
4 ms |
384 KB |
Output is correct |
15 |
Correct |
5 ms |
384 KB |
Output is correct |
16 |
Correct |
4 ms |
384 KB |
Output is correct |
17 |
Correct |
5 ms |
384 KB |
Output is correct |
18 |
Correct |
5 ms |
416 KB |
Output is correct |
19 |
Correct |
5 ms |
384 KB |
Output is correct |
20 |
Correct |
5 ms |
512 KB |
Output is correct |
21 |
Correct |
5 ms |
512 KB |
Output is correct |
22 |
Correct |
5 ms |
512 KB |
Output is correct |
23 |
Correct |
5 ms |
384 KB |
Output is correct |
24 |
Correct |
5 ms |
384 KB |
Output is correct |
25 |
Correct |
5 ms |
384 KB |
Output is correct |
26 |
Correct |
4 ms |
384 KB |
Output is correct |
27 |
Correct |
5 ms |
512 KB |
Output is correct |
28 |
Correct |
5 ms |
512 KB |
Output is correct |
29 |
Correct |
4 ms |
512 KB |
Output is correct |
30 |
Correct |
5 ms |
512 KB |
Output is correct |
31 |
Correct |
5 ms |
384 KB |
Output is correct |
32 |
Correct |
5 ms |
384 KB |
Output is correct |
33 |
Correct |
5 ms |
512 KB |
Output is correct |
34 |
Correct |
5 ms |
512 KB |
Output is correct |
35 |
Correct |
5 ms |
512 KB |
Output is correct |
36 |
Correct |
5 ms |
512 KB |
Output is correct |
37 |
Correct |
4 ms |
512 KB |
Output is correct |
38 |
Correct |
4 ms |
512 KB |
Output is correct |
39 |
Correct |
4 ms |
512 KB |
Output is correct |
40 |
Correct |
5 ms |
512 KB |
Output is correct |
41 |
Correct |
4 ms |
512 KB |
Output is correct |
42 |
Correct |
5 ms |
512 KB |
Output is correct |
43 |
Correct |
5 ms |
512 KB |
Output is correct |
44 |
Correct |
5 ms |
512 KB |
Output is correct |
45 |
Correct |
5 ms |
512 KB |
Output is correct |
46 |
Correct |
5 ms |
512 KB |
Output is correct |
47 |
Correct |
5 ms |
512 KB |
Output is correct |
48 |
Correct |
5 ms |
512 KB |
Output is correct |
49 |
Correct |
5 ms |
512 KB |
Output is correct |
50 |
Correct |
5 ms |
640 KB |
Output is correct |
51 |
Correct |
13 ms |
564 KB |
Output is correct |
52 |
Correct |
4 ms |
512 KB |
Output is correct |
53 |
Correct |
5 ms |
512 KB |
Output is correct |
54 |
Correct |
5 ms |
384 KB |
Output is correct |
55 |
Correct |
28 ms |
21760 KB |
Output is correct |
56 |
Correct |
5 ms |
512 KB |
Output is correct |
57 |
Correct |
23 ms |
24320 KB |
Output is correct |
58 |
Correct |
76 ms |
27768 KB |
Output is correct |
59 |
Correct |
607 ms |
123768 KB |
Output is correct |
60 |
Correct |
608 ms |
123900 KB |
Output is correct |
61 |
Correct |
627 ms |
124024 KB |
Output is correct |
62 |
Correct |
5 ms |
384 KB |
Output is correct |
63 |
Correct |
596 ms |
123512 KB |
Output is correct |
64 |
Correct |
590 ms |
123896 KB |
Output is correct |
65 |
Correct |
595 ms |
123952 KB |
Output is correct |
66 |
Correct |
606 ms |
123896 KB |
Output is correct |
67 |
Correct |
508 ms |
69112 KB |
Output is correct |
68 |
Correct |
503 ms |
69304 KB |
Output is correct |
69 |
Correct |
521 ms |
79224 KB |
Output is correct |
70 |
Correct |
74 ms |
28152 KB |
Output is correct |
71 |
Correct |
73 ms |
28024 KB |
Output is correct |
72 |
Correct |
73 ms |
28024 KB |
Output is correct |
73 |
Correct |
74 ms |
28024 KB |
Output is correct |
74 |
Correct |
77 ms |
28024 KB |
Output is correct |
75 |
Correct |
74 ms |
28024 KB |
Output is correct |
76 |
Correct |
77 ms |
28024 KB |
Output is correct |
77 |
Correct |
75 ms |
28024 KB |
Output is correct |
78 |
Correct |
80 ms |
28024 KB |
Output is correct |
79 |
Correct |
83 ms |
28052 KB |
Output is correct |
80 |
Correct |
80 ms |
28024 KB |
Output is correct |
81 |
Correct |
74 ms |
28024 KB |
Output is correct |
82 |
Correct |
75 ms |
28024 KB |
Output is correct |
83 |
Correct |
80 ms |
28072 KB |
Output is correct |
84 |
Correct |
75 ms |
28024 KB |
Output is correct |
85 |
Correct |
73 ms |
28024 KB |
Output is correct |
86 |
Correct |
75 ms |
28024 KB |
Output is correct |
87 |
Correct |
78 ms |
28048 KB |
Output is correct |
88 |
Correct |
76 ms |
28024 KB |
Output is correct |
89 |
Correct |
76 ms |
28024 KB |
Output is correct |
90 |
Correct |
74 ms |
28024 KB |
Output is correct |