#include<bits/stdc++.h>
using namespace std;
int n, m;
char a[3005][3005];
bool okh[3005][3005], okv[3005][3005];
int dp[3002][3002][3];
int main()
{
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> n >> m;
for(int i = 1; i <= n; ++i)
cin >> (a[i] + 1);
for(int i = 1; i <= n; ++i)
for(int j = 1; j <= m; ++j)
{
if(a[i][j-1] == 'R' && a[i][j] == 'G' && a[i][j+1] == 'W')
okh[i][j] = 1;
if(a[i-1][j] == 'R' && a[i][j] == 'G' && a[i+1][j] == 'W')
okv[i][j] = 1;
}
int L = 1, C = 1;
int ans = 0;
for(int i = 2; i <= n+m; ++i)
{
int sL = L, sC = C;
dp[sL][sC][0] = 0;
dp[sL][sC][1] = okv[sL][sC];
dp[sL][sC][2] = okh[sL][sC];
--sL, ++sC;
while(sL && sC <= m)
{
for(int j = 0; j <= 2; ++j)
dp[sL][sC][0] = max(dp[sL][sC][0], dp[sL + 1][sC - 1][j]);
dp[sL][sC][1] = max(dp[sL + 1][sC - 1][1], dp[sL + 1][sC - 1][0]) + okv[sL][sC];
dp[sL][sC][2] = max(dp[sL + 1][sC - 1][2], dp[sL + 1][sC - 1][0]) + okh[sL][sC];
--sL, ++sC;
}
++L;
if(L > n)
{
L = n;
++C;
}
++sL, --sC;
ans = ans + max(dp[sL][sC][0], max(dp[sL][sC][1], dp[sL][sC][2]));
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
4 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
380 KB |
Output is correct |
10 |
Correct |
5 ms |
380 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
4 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
380 KB |
Output is correct |
10 |
Correct |
5 ms |
380 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
504 KB |
Output is correct |
21 |
Correct |
5 ms |
504 KB |
Output is correct |
22 |
Correct |
5 ms |
504 KB |
Output is correct |
23 |
Correct |
5 ms |
504 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
504 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
504 KB |
Output is correct |
28 |
Correct |
5 ms |
504 KB |
Output is correct |
29 |
Correct |
5 ms |
504 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
504 KB |
Output is correct |
34 |
Correct |
5 ms |
504 KB |
Output is correct |
35 |
Correct |
5 ms |
504 KB |
Output is correct |
36 |
Correct |
5 ms |
504 KB |
Output is correct |
37 |
Correct |
5 ms |
632 KB |
Output is correct |
38 |
Correct |
5 ms |
504 KB |
Output is correct |
39 |
Correct |
5 ms |
508 KB |
Output is correct |
40 |
Correct |
5 ms |
504 KB |
Output is correct |
41 |
Correct |
5 ms |
504 KB |
Output is correct |
42 |
Correct |
5 ms |
504 KB |
Output is correct |
43 |
Correct |
5 ms |
504 KB |
Output is correct |
44 |
Correct |
5 ms |
508 KB |
Output is correct |
45 |
Correct |
5 ms |
504 KB |
Output is correct |
46 |
Correct |
3 ms |
632 KB |
Output is correct |
47 |
Correct |
5 ms |
504 KB |
Output is correct |
48 |
Correct |
5 ms |
508 KB |
Output is correct |
49 |
Correct |
5 ms |
504 KB |
Output is correct |
50 |
Correct |
5 ms |
504 KB |
Output is correct |
51 |
Correct |
5 ms |
504 KB |
Output is correct |
52 |
Correct |
5 ms |
508 KB |
Output is correct |
53 |
Correct |
5 ms |
508 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
5 ms |
376 KB |
Output is correct |
2 |
Correct |
5 ms |
376 KB |
Output is correct |
3 |
Correct |
5 ms |
376 KB |
Output is correct |
4 |
Correct |
5 ms |
376 KB |
Output is correct |
5 |
Correct |
5 ms |
376 KB |
Output is correct |
6 |
Correct |
5 ms |
376 KB |
Output is correct |
7 |
Correct |
4 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
248 KB |
Output is correct |
9 |
Correct |
5 ms |
380 KB |
Output is correct |
10 |
Correct |
5 ms |
380 KB |
Output is correct |
11 |
Correct |
5 ms |
376 KB |
Output is correct |
12 |
Correct |
5 ms |
376 KB |
Output is correct |
13 |
Correct |
5 ms |
376 KB |
Output is correct |
14 |
Correct |
5 ms |
376 KB |
Output is correct |
15 |
Correct |
5 ms |
376 KB |
Output is correct |
16 |
Correct |
5 ms |
376 KB |
Output is correct |
17 |
Correct |
5 ms |
376 KB |
Output is correct |
18 |
Correct |
5 ms |
376 KB |
Output is correct |
19 |
Correct |
5 ms |
504 KB |
Output is correct |
20 |
Correct |
5 ms |
504 KB |
Output is correct |
21 |
Correct |
5 ms |
504 KB |
Output is correct |
22 |
Correct |
5 ms |
504 KB |
Output is correct |
23 |
Correct |
5 ms |
504 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
504 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
504 KB |
Output is correct |
28 |
Correct |
5 ms |
504 KB |
Output is correct |
29 |
Correct |
5 ms |
504 KB |
Output is correct |
30 |
Correct |
5 ms |
376 KB |
Output is correct |
31 |
Correct |
5 ms |
376 KB |
Output is correct |
32 |
Correct |
5 ms |
376 KB |
Output is correct |
33 |
Correct |
5 ms |
504 KB |
Output is correct |
34 |
Correct |
5 ms |
504 KB |
Output is correct |
35 |
Correct |
5 ms |
504 KB |
Output is correct |
36 |
Correct |
5 ms |
504 KB |
Output is correct |
37 |
Correct |
5 ms |
632 KB |
Output is correct |
38 |
Correct |
5 ms |
504 KB |
Output is correct |
39 |
Correct |
5 ms |
508 KB |
Output is correct |
40 |
Correct |
5 ms |
504 KB |
Output is correct |
41 |
Correct |
5 ms |
504 KB |
Output is correct |
42 |
Correct |
5 ms |
504 KB |
Output is correct |
43 |
Correct |
5 ms |
504 KB |
Output is correct |
44 |
Correct |
5 ms |
508 KB |
Output is correct |
45 |
Correct |
5 ms |
504 KB |
Output is correct |
46 |
Correct |
3 ms |
632 KB |
Output is correct |
47 |
Correct |
5 ms |
504 KB |
Output is correct |
48 |
Correct |
5 ms |
508 KB |
Output is correct |
49 |
Correct |
5 ms |
504 KB |
Output is correct |
50 |
Correct |
5 ms |
504 KB |
Output is correct |
51 |
Correct |
5 ms |
504 KB |
Output is correct |
52 |
Correct |
5 ms |
508 KB |
Output is correct |
53 |
Correct |
5 ms |
508 KB |
Output is correct |
54 |
Correct |
5 ms |
376 KB |
Output is correct |
55 |
Correct |
18 ms |
21880 KB |
Output is correct |
56 |
Correct |
6 ms |
632 KB |
Output is correct |
57 |
Correct |
16 ms |
22904 KB |
Output is correct |
58 |
Correct |
59 ms |
25976 KB |
Output is correct |
59 |
Correct |
543 ms |
141432 KB |
Output is correct |
60 |
Correct |
533 ms |
141432 KB |
Output is correct |
61 |
Correct |
530 ms |
141408 KB |
Output is correct |
62 |
Correct |
5 ms |
376 KB |
Output is correct |
63 |
Correct |
521 ms |
141172 KB |
Output is correct |
64 |
Correct |
453 ms |
141380 KB |
Output is correct |
65 |
Correct |
449 ms |
141308 KB |
Output is correct |
66 |
Correct |
443 ms |
141432 KB |
Output is correct |
67 |
Correct |
386 ms |
130716 KB |
Output is correct |
68 |
Correct |
388 ms |
130808 KB |
Output is correct |
69 |
Correct |
436 ms |
137080 KB |
Output is correct |
70 |
Correct |
51 ms |
25976 KB |
Output is correct |
71 |
Correct |
49 ms |
25976 KB |
Output is correct |
72 |
Correct |
50 ms |
25976 KB |
Output is correct |
73 |
Correct |
57 ms |
25980 KB |
Output is correct |
74 |
Correct |
49 ms |
25976 KB |
Output is correct |
75 |
Correct |
51 ms |
25976 KB |
Output is correct |
76 |
Correct |
49 ms |
25976 KB |
Output is correct |
77 |
Correct |
48 ms |
25976 KB |
Output is correct |
78 |
Correct |
49 ms |
25976 KB |
Output is correct |
79 |
Correct |
49 ms |
25988 KB |
Output is correct |
80 |
Correct |
49 ms |
25976 KB |
Output is correct |
81 |
Correct |
50 ms |
25976 KB |
Output is correct |
82 |
Correct |
50 ms |
25976 KB |
Output is correct |
83 |
Correct |
50 ms |
25976 KB |
Output is correct |
84 |
Correct |
48 ms |
25976 KB |
Output is correct |
85 |
Correct |
49 ms |
25976 KB |
Output is correct |
86 |
Correct |
54 ms |
25976 KB |
Output is correct |
87 |
Correct |
49 ms |
25976 KB |
Output is correct |
88 |
Correct |
49 ms |
25976 KB |
Output is correct |
89 |
Correct |
49 ms |
25976 KB |
Output is correct |
90 |
Correct |
50 ms |
25976 KB |
Output is correct |