#include <bits/stdc++.h>
using namespace std;
int n,m;
char a[3005][3005];
int dp[3005][3];
vector<int>v[6005];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cout.tie(NULL);
cin >> n >> m;
for (int i = 1; i <= n; i++)
for (int j = 1; j <= m; j++)
cin >> a[i][j],v[i + j].push_back(i);
int ans = 0;
for (int d = 2; d <= n + m; d++)
{
for (int i = 0; i < v[d].size(); i++)
{
dp[i][0] = dp[i][1] = dp[i][2] = 0;
if (i == 0)
{
int l = v[d][i],c = d - l;
if (c - 1 > 0 and c + 1 <= m and a[l][c - 1] == 'R' and a[l][c] == 'G' and a[l][c + 1] == 'W')
dp[i][1] = 1;
if (l - 1 > 0 and l + 1 <= n and a[l - 1][c] == 'R' and a[l][c] == 'G' and a[l + 1][c] == 'W')
dp[i][2] = 1;
}
else
{
int l = v[d][i],c = d - l;
dp[i][0] = max(dp[i - 1][0],max(dp[i - 1][1],dp[i - 1][2]));
///var 0: nu pun centrat in (l,c)
///var 1: pun orizontal centrat in (l,c)
///var 2: pun vertical centrat in (l,c)
if (c - 1 > 0 and c + 1 <= m and a[l][c - 1] == 'R' and a[l][c] == 'G' and a[l][c + 1] == 'W')
dp[i][1] = max(dp[i - 1][0],dp[i - 1][1]) + 1;
if (l - 1 > 0 and l + 1 <= n and a[l - 1][c] == 'R' and a[l][c] == 'G' and a[l + 1][c] == 'W')
dp[i][2] = max(dp[i - 1][0],dp[i - 1][2]) + 1;
}
}
int sz = v[d].size() - 1;
//cout << d << ' ' << max(dp[sz][0],max(dp[sz][1],dp[sz][2])) << endl;
ans += max(dp[sz][0],max(dp[sz][1],dp[sz][2]));
}
cout << ans;
return 0;
}
/*
4 3
WRW
RGW
GWW
WWW
*/
Compilation message
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:22:27: warning: comparison of integer expressions of different signedness: 'int' and 'std::vector<int>::size_type' {aka 'long unsigned int'} [-Wsign-compare]
22 | for (int i = 0; i < v[d].size(); i++)
| ~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
856 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2512 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2648 KB |
Output is correct |
14 |
Correct |
0 ms |
2652 KB |
Output is correct |
15 |
Correct |
1 ms |
2652 KB |
Output is correct |
16 |
Correct |
0 ms |
2652 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
856 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2512 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2648 KB |
Output is correct |
14 |
Correct |
0 ms |
2652 KB |
Output is correct |
15 |
Correct |
1 ms |
2652 KB |
Output is correct |
16 |
Correct |
0 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2652 KB |
Output is correct |
19 |
Correct |
1 ms |
2904 KB |
Output is correct |
20 |
Correct |
1 ms |
2652 KB |
Output is correct |
21 |
Correct |
0 ms |
2652 KB |
Output is correct |
22 |
Correct |
0 ms |
2652 KB |
Output is correct |
23 |
Correct |
1 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2652 KB |
Output is correct |
26 |
Correct |
0 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
1 ms |
2652 KB |
Output is correct |
29 |
Correct |
1 ms |
2648 KB |
Output is correct |
30 |
Correct |
1 ms |
2652 KB |
Output is correct |
31 |
Correct |
1 ms |
2652 KB |
Output is correct |
32 |
Correct |
1 ms |
2652 KB |
Output is correct |
33 |
Correct |
1 ms |
2652 KB |
Output is correct |
34 |
Correct |
1 ms |
2652 KB |
Output is correct |
35 |
Correct |
1 ms |
2652 KB |
Output is correct |
36 |
Correct |
1 ms |
2652 KB |
Output is correct |
37 |
Correct |
1 ms |
2652 KB |
Output is correct |
38 |
Correct |
1 ms |
2652 KB |
Output is correct |
39 |
Correct |
1 ms |
2652 KB |
Output is correct |
40 |
Correct |
1 ms |
2652 KB |
Output is correct |
41 |
Correct |
1 ms |
2652 KB |
Output is correct |
42 |
Correct |
1 ms |
2648 KB |
Output is correct |
43 |
Correct |
1 ms |
2648 KB |
Output is correct |
44 |
Correct |
1 ms |
2652 KB |
Output is correct |
45 |
Correct |
1 ms |
2652 KB |
Output is correct |
46 |
Correct |
1 ms |
2652 KB |
Output is correct |
47 |
Correct |
1 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2652 KB |
Output is correct |
49 |
Correct |
1 ms |
2652 KB |
Output is correct |
50 |
Correct |
1 ms |
2652 KB |
Output is correct |
51 |
Correct |
1 ms |
2652 KB |
Output is correct |
52 |
Correct |
1 ms |
2652 KB |
Output is correct |
53 |
Correct |
1 ms |
2648 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
604 KB |
Output is correct |
2 |
Correct |
1 ms |
604 KB |
Output is correct |
3 |
Correct |
0 ms |
856 KB |
Output is correct |
4 |
Correct |
1 ms |
2652 KB |
Output is correct |
5 |
Correct |
1 ms |
2652 KB |
Output is correct |
6 |
Correct |
1 ms |
2652 KB |
Output is correct |
7 |
Correct |
1 ms |
2652 KB |
Output is correct |
8 |
Correct |
1 ms |
2652 KB |
Output is correct |
9 |
Correct |
1 ms |
2652 KB |
Output is correct |
10 |
Correct |
1 ms |
2652 KB |
Output is correct |
11 |
Correct |
1 ms |
2512 KB |
Output is correct |
12 |
Correct |
1 ms |
2648 KB |
Output is correct |
13 |
Correct |
1 ms |
2648 KB |
Output is correct |
14 |
Correct |
0 ms |
2652 KB |
Output is correct |
15 |
Correct |
1 ms |
2652 KB |
Output is correct |
16 |
Correct |
0 ms |
2652 KB |
Output is correct |
17 |
Correct |
1 ms |
2652 KB |
Output is correct |
18 |
Correct |
1 ms |
2652 KB |
Output is correct |
19 |
Correct |
1 ms |
2904 KB |
Output is correct |
20 |
Correct |
1 ms |
2652 KB |
Output is correct |
21 |
Correct |
0 ms |
2652 KB |
Output is correct |
22 |
Correct |
0 ms |
2652 KB |
Output is correct |
23 |
Correct |
1 ms |
2652 KB |
Output is correct |
24 |
Correct |
1 ms |
2652 KB |
Output is correct |
25 |
Correct |
1 ms |
2652 KB |
Output is correct |
26 |
Correct |
0 ms |
604 KB |
Output is correct |
27 |
Correct |
1 ms |
2652 KB |
Output is correct |
28 |
Correct |
1 ms |
2652 KB |
Output is correct |
29 |
Correct |
1 ms |
2648 KB |
Output is correct |
30 |
Correct |
1 ms |
2652 KB |
Output is correct |
31 |
Correct |
1 ms |
2652 KB |
Output is correct |
32 |
Correct |
1 ms |
2652 KB |
Output is correct |
33 |
Correct |
1 ms |
2652 KB |
Output is correct |
34 |
Correct |
1 ms |
2652 KB |
Output is correct |
35 |
Correct |
1 ms |
2652 KB |
Output is correct |
36 |
Correct |
1 ms |
2652 KB |
Output is correct |
37 |
Correct |
1 ms |
2652 KB |
Output is correct |
38 |
Correct |
1 ms |
2652 KB |
Output is correct |
39 |
Correct |
1 ms |
2652 KB |
Output is correct |
40 |
Correct |
1 ms |
2652 KB |
Output is correct |
41 |
Correct |
1 ms |
2652 KB |
Output is correct |
42 |
Correct |
1 ms |
2648 KB |
Output is correct |
43 |
Correct |
1 ms |
2648 KB |
Output is correct |
44 |
Correct |
1 ms |
2652 KB |
Output is correct |
45 |
Correct |
1 ms |
2652 KB |
Output is correct |
46 |
Correct |
1 ms |
2652 KB |
Output is correct |
47 |
Correct |
1 ms |
2652 KB |
Output is correct |
48 |
Correct |
1 ms |
2652 KB |
Output is correct |
49 |
Correct |
1 ms |
2652 KB |
Output is correct |
50 |
Correct |
1 ms |
2652 KB |
Output is correct |
51 |
Correct |
1 ms |
2652 KB |
Output is correct |
52 |
Correct |
1 ms |
2652 KB |
Output is correct |
53 |
Correct |
1 ms |
2648 KB |
Output is correct |
54 |
Correct |
1 ms |
600 KB |
Output is correct |
55 |
Correct |
2 ms |
9308 KB |
Output is correct |
56 |
Correct |
1 ms |
2908 KB |
Output is correct |
57 |
Correct |
2 ms |
6948 KB |
Output is correct |
58 |
Correct |
26 ms |
11056 KB |
Output is correct |
59 |
Correct |
243 ms |
68176 KB |
Output is correct |
60 |
Correct |
242 ms |
67672 KB |
Output is correct |
61 |
Correct |
243 ms |
67668 KB |
Output is correct |
62 |
Correct |
1 ms |
2908 KB |
Output is correct |
63 |
Correct |
230 ms |
65616 KB |
Output is correct |
64 |
Correct |
201 ms |
67668 KB |
Output is correct |
65 |
Correct |
192 ms |
67496 KB |
Output is correct |
66 |
Correct |
198 ms |
67668 KB |
Output is correct |
67 |
Correct |
191 ms |
67472 KB |
Output is correct |
68 |
Correct |
190 ms |
67548 KB |
Output is correct |
69 |
Correct |
195 ms |
67660 KB |
Output is correct |
70 |
Correct |
26 ms |
10832 KB |
Output is correct |
71 |
Correct |
20 ms |
10840 KB |
Output is correct |
72 |
Correct |
21 ms |
10840 KB |
Output is correct |
73 |
Correct |
26 ms |
10868 KB |
Output is correct |
74 |
Correct |
20 ms |
10844 KB |
Output is correct |
75 |
Correct |
23 ms |
10844 KB |
Output is correct |
76 |
Correct |
22 ms |
10844 KB |
Output is correct |
77 |
Correct |
21 ms |
10840 KB |
Output is correct |
78 |
Correct |
21 ms |
10844 KB |
Output is correct |
79 |
Correct |
20 ms |
10844 KB |
Output is correct |
80 |
Correct |
21 ms |
11016 KB |
Output is correct |
81 |
Correct |
21 ms |
11040 KB |
Output is correct |
82 |
Correct |
21 ms |
10840 KB |
Output is correct |
83 |
Correct |
21 ms |
10844 KB |
Output is correct |
84 |
Correct |
23 ms |
11120 KB |
Output is correct |
85 |
Correct |
22 ms |
11004 KB |
Output is correct |
86 |
Correct |
26 ms |
10844 KB |
Output is correct |
87 |
Correct |
21 ms |
10844 KB |
Output is correct |
88 |
Correct |
22 ms |
10844 KB |
Output is correct |
89 |
Correct |
20 ms |
10844 KB |
Output is correct |
90 |
Correct |
21 ms |
10988 KB |
Output is correct |