#include <iostream>
using namespace std;
char grid[3000][3000];
int N, M;
bool vert(int i, int j)
{
if(i == 0 || i == N-1) return 0;
if(grid[i-1][j] != 'R') return 0;
if(grid[i][j] != 'G') return 0;
if(grid[i+1][j] != 'W') return 0;
return 1;
}
bool horiz(int i, int j)
{
if(j == 0 || j == M-1) return 0;
if(grid[i][j-1] != 'R') return 0;
if(grid[i][j] != 'G') return 0;
if(grid[i][j+1] != 'W') return 0;
return 1;
}
int main()
{
cin >> N >> M;
for(int i = 0; i < N; i++) for(int j = 0; j < M; j++) cin >> grid[i][j];
int res = 0;
int H, V;
int H1, V1;
for(int I = 0; I < N; I++)
{
H = 0;
V = 0;
for(int s = 0; I-s >= 0 && s < M; s++)
{
swap(H, H1);
swap(V, V1);
int i = I-s;
int j = s;
H = max(H1, V1);
H = max(H, H1 + horiz(i, j));
V = max(H1, V1);
V = max(V, V1 + vert(i, j));
}
// cout << H << ' ' << V << '\n';
res += max(H, V);
}
for(int J = 1; J < M; J++)
{
H = 0;
V = 0;
for(int s = 0; N-1-s >= 0 && J+s < M; s++)
{
swap(H, H1);
swap(V, V1);
int i = N-1-s;
int j = J+s;
H = max(H1, V1);
H = max(H, H1 + horiz(i, j));
V = max(H1, V1);
V = max(V, V1 + vert(i, j));
}
// cout << H << ' ' << V << '\n';
res += max(H, V);
}
cout << res << '\n';
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
0 ms |
332 KB |
Output is correct |
24 |
Correct |
0 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
0 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
0 ms |
332 KB |
Output is correct |
30 |
Correct |
0 ms |
332 KB |
Output is correct |
31 |
Correct |
0 ms |
332 KB |
Output is correct |
32 |
Correct |
0 ms |
332 KB |
Output is correct |
33 |
Correct |
0 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
0 ms |
332 KB |
Output is correct |
36 |
Correct |
0 ms |
332 KB |
Output is correct |
37 |
Correct |
0 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
0 ms |
332 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
332 KB |
Output is correct |
42 |
Correct |
1 ms |
332 KB |
Output is correct |
43 |
Correct |
0 ms |
332 KB |
Output is correct |
44 |
Correct |
0 ms |
332 KB |
Output is correct |
45 |
Correct |
0 ms |
332 KB |
Output is correct |
46 |
Correct |
0 ms |
332 KB |
Output is correct |
47 |
Correct |
0 ms |
332 KB |
Output is correct |
48 |
Correct |
1 ms |
332 KB |
Output is correct |
49 |
Correct |
0 ms |
332 KB |
Output is correct |
50 |
Correct |
0 ms |
332 KB |
Output is correct |
51 |
Correct |
0 ms |
336 KB |
Output is correct |
52 |
Correct |
0 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
332 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
1 ms |
204 KB |
Output is correct |
4 |
Correct |
1 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
0 ms |
208 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
204 KB |
Output is correct |
20 |
Correct |
0 ms |
332 KB |
Output is correct |
21 |
Correct |
0 ms |
332 KB |
Output is correct |
22 |
Correct |
0 ms |
332 KB |
Output is correct |
23 |
Correct |
0 ms |
332 KB |
Output is correct |
24 |
Correct |
0 ms |
332 KB |
Output is correct |
25 |
Correct |
0 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
0 ms |
332 KB |
Output is correct |
28 |
Correct |
1 ms |
332 KB |
Output is correct |
29 |
Correct |
0 ms |
332 KB |
Output is correct |
30 |
Correct |
0 ms |
332 KB |
Output is correct |
31 |
Correct |
0 ms |
332 KB |
Output is correct |
32 |
Correct |
0 ms |
332 KB |
Output is correct |
33 |
Correct |
0 ms |
332 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
0 ms |
332 KB |
Output is correct |
36 |
Correct |
0 ms |
332 KB |
Output is correct |
37 |
Correct |
0 ms |
332 KB |
Output is correct |
38 |
Correct |
1 ms |
332 KB |
Output is correct |
39 |
Correct |
0 ms |
332 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
332 KB |
Output is correct |
42 |
Correct |
1 ms |
332 KB |
Output is correct |
43 |
Correct |
0 ms |
332 KB |
Output is correct |
44 |
Correct |
0 ms |
332 KB |
Output is correct |
45 |
Correct |
0 ms |
332 KB |
Output is correct |
46 |
Correct |
0 ms |
332 KB |
Output is correct |
47 |
Correct |
0 ms |
332 KB |
Output is correct |
48 |
Correct |
1 ms |
332 KB |
Output is correct |
49 |
Correct |
0 ms |
332 KB |
Output is correct |
50 |
Correct |
0 ms |
332 KB |
Output is correct |
51 |
Correct |
0 ms |
336 KB |
Output is correct |
52 |
Correct |
0 ms |
332 KB |
Output is correct |
53 |
Correct |
1 ms |
332 KB |
Output is correct |
54 |
Correct |
1 ms |
204 KB |
Output is correct |
55 |
Correct |
4 ms |
9036 KB |
Output is correct |
56 |
Correct |
2 ms |
204 KB |
Output is correct |
57 |
Correct |
5 ms |
6096 KB |
Output is correct |
58 |
Correct |
74 ms |
3140 KB |
Output is correct |
59 |
Correct |
682 ms |
9188 KB |
Output is correct |
60 |
Correct |
679 ms |
17920 KB |
Output is correct |
61 |
Correct |
670 ms |
17988 KB |
Output is correct |
62 |
Correct |
1 ms |
204 KB |
Output is correct |
63 |
Correct |
653 ms |
17728 KB |
Output is correct |
64 |
Correct |
643 ms |
17964 KB |
Output is correct |
65 |
Correct |
627 ms |
17804 KB |
Output is correct |
66 |
Correct |
663 ms |
17820 KB |
Output is correct |
67 |
Correct |
634 ms |
17860 KB |
Output is correct |
68 |
Correct |
619 ms |
17860 KB |
Output is correct |
69 |
Correct |
627 ms |
17828 KB |
Output is correct |
70 |
Correct |
69 ms |
4164 KB |
Output is correct |
71 |
Correct |
68 ms |
4096 KB |
Output is correct |
72 |
Correct |
71 ms |
4156 KB |
Output is correct |
73 |
Correct |
68 ms |
4164 KB |
Output is correct |
74 |
Correct |
68 ms |
4156 KB |
Output is correct |
75 |
Correct |
74 ms |
4164 KB |
Output is correct |
76 |
Correct |
68 ms |
4164 KB |
Output is correct |
77 |
Correct |
69 ms |
4156 KB |
Output is correct |
78 |
Correct |
68 ms |
4172 KB |
Output is correct |
79 |
Correct |
70 ms |
4164 KB |
Output is correct |
80 |
Correct |
68 ms |
4196 KB |
Output is correct |
81 |
Correct |
70 ms |
4192 KB |
Output is correct |
82 |
Correct |
80 ms |
4164 KB |
Output is correct |
83 |
Correct |
69 ms |
4172 KB |
Output is correct |
84 |
Correct |
69 ms |
4096 KB |
Output is correct |
85 |
Correct |
71 ms |
4208 KB |
Output is correct |
86 |
Correct |
69 ms |
4148 KB |
Output is correct |
87 |
Correct |
69 ms |
4088 KB |
Output is correct |
88 |
Correct |
68 ms |
4180 KB |
Output is correct |
89 |
Correct |
69 ms |
4204 KB |
Output is correct |
90 |
Correct |
69 ms |
4136 KB |
Output is correct |