#include <bits/stdc++.h>
using namespace std;
const int N = 3003;
int n, m;
char a[N][N];
int dp[N][3];
int main()
{
scanf("%d%d", &n, &m);
for (int i = 1; i <= n; ++i)
scanf(" %s", (a[i] + 1));
int ans = 0;
for (int si = 1; si <= n; ++si)
{
memset(dp, 0, sizeof dp);
int x = si;
int y = 1;
for (int i = 1; ; ++i)
{
dp[i][0] = max(dp[i - 1][0], max(dp[i - 1][1], dp[i - 1][2]));
if (a[x][y - 1] == 'R' && a[x][y] == 'G' && a[x][y + 1] == 'W')
dp[i][1] = max(dp[i - 1][0], dp[i - 1][1]) + 1;
if (a[x - 1][y] == 'R' && a[x][y] == 'G' && a[x + 1][y] == 'W')
dp[i][2] = max(dp[i - 1][0], dp[i - 1][2]) + 1;
--x;
++y;
if (x == 0 || y == m + 1)
{
ans += max(dp[i][0], max(dp[i][1], dp[i][2]));
break;
}
}
}
for (int sj = 2; sj <= m; ++sj)
{
memset(dp, 0, sizeof dp);
int x = n;
int y = sj;
for (int i = 1; ; ++i)
{
dp[i][0] = max(dp[i - 1][0], max(dp[i - 1][1], dp[i - 1][2]));
if (a[x][y - 1] == 'R' && a[x][y] == 'G' && a[x][y + 1] == 'W')
dp[i][1] = max(dp[i - 1][0], dp[i - 1][1]) + 1;
if (a[x - 1][y] == 'R' && a[x][y] == 'G' && a[x + 1][y] == 'W')
dp[i][2] = max(dp[i - 1][0], dp[i - 1][2]) + 1;
--x;
++y;
if (x == 0 || y == m + 1)
{
ans += max(dp[i][0], max(dp[i][1], dp[i][2]));
break;
}
}
}
printf("%d\n", ans);
return 0;
}
Compilation message
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:12:10: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf("%d%d", &n, &m);
~~~~~^~~~~~~~~~~~~~~~
dango_maker.cpp:14:14: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
scanf(" %s", (a[i] + 1));
~~~~~^~~~~~~~~~~~~~~~~~~
# |
결과 |
실행 시간 |
메모리 |
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 |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 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 |
248 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 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 |
248 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 |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
380 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 |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
5 ms |
376 KB |
Output is correct |
37 |
Correct |
5 ms |
376 KB |
Output is correct |
38 |
Correct |
5 ms |
380 KB |
Output is correct |
39 |
Correct |
5 ms |
376 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
376 KB |
Output is correct |
42 |
Correct |
5 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
380 KB |
Output is correct |
44 |
Correct |
5 ms |
376 KB |
Output is correct |
45 |
Correct |
5 ms |
376 KB |
Output is correct |
46 |
Correct |
5 ms |
376 KB |
Output is correct |
47 |
Correct |
5 ms |
376 KB |
Output is correct |
48 |
Correct |
6 ms |
376 KB |
Output is correct |
49 |
Correct |
5 ms |
376 KB |
Output is correct |
50 |
Correct |
5 ms |
376 KB |
Output is correct |
51 |
Correct |
5 ms |
376 KB |
Output is correct |
52 |
Correct |
5 ms |
376 KB |
Output is correct |
53 |
Correct |
5 ms |
376 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
5 ms |
376 KB |
Output is correct |
8 |
Correct |
5 ms |
376 KB |
Output is correct |
9 |
Correct |
5 ms |
376 KB |
Output is correct |
10 |
Correct |
5 ms |
376 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 |
248 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 |
376 KB |
Output is correct |
20 |
Correct |
5 ms |
376 KB |
Output is correct |
21 |
Correct |
5 ms |
376 KB |
Output is correct |
22 |
Correct |
5 ms |
376 KB |
Output is correct |
23 |
Correct |
5 ms |
376 KB |
Output is correct |
24 |
Correct |
5 ms |
376 KB |
Output is correct |
25 |
Correct |
5 ms |
376 KB |
Output is correct |
26 |
Correct |
5 ms |
376 KB |
Output is correct |
27 |
Correct |
5 ms |
376 KB |
Output is correct |
28 |
Correct |
5 ms |
376 KB |
Output is correct |
29 |
Correct |
5 ms |
376 KB |
Output is correct |
30 |
Correct |
5 ms |
380 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 |
376 KB |
Output is correct |
34 |
Correct |
5 ms |
376 KB |
Output is correct |
35 |
Correct |
5 ms |
376 KB |
Output is correct |
36 |
Correct |
5 ms |
376 KB |
Output is correct |
37 |
Correct |
5 ms |
376 KB |
Output is correct |
38 |
Correct |
5 ms |
380 KB |
Output is correct |
39 |
Correct |
5 ms |
376 KB |
Output is correct |
40 |
Correct |
5 ms |
376 KB |
Output is correct |
41 |
Correct |
5 ms |
376 KB |
Output is correct |
42 |
Correct |
5 ms |
376 KB |
Output is correct |
43 |
Correct |
5 ms |
380 KB |
Output is correct |
44 |
Correct |
5 ms |
376 KB |
Output is correct |
45 |
Correct |
5 ms |
376 KB |
Output is correct |
46 |
Correct |
5 ms |
376 KB |
Output is correct |
47 |
Correct |
5 ms |
376 KB |
Output is correct |
48 |
Correct |
6 ms |
376 KB |
Output is correct |
49 |
Correct |
5 ms |
376 KB |
Output is correct |
50 |
Correct |
5 ms |
376 KB |
Output is correct |
51 |
Correct |
5 ms |
376 KB |
Output is correct |
52 |
Correct |
5 ms |
376 KB |
Output is correct |
53 |
Correct |
5 ms |
376 KB |
Output is correct |
54 |
Correct |
8 ms |
376 KB |
Output is correct |
55 |
Correct |
12 ms |
9208 KB |
Output is correct |
56 |
Correct |
8 ms |
376 KB |
Output is correct |
57 |
Correct |
10 ms |
6264 KB |
Output is correct |
58 |
Correct |
23 ms |
4216 KB |
Output is correct |
59 |
Correct |
164 ms |
17916 KB |
Output is correct |
60 |
Correct |
164 ms |
17916 KB |
Output is correct |
61 |
Correct |
158 ms |
17912 KB |
Output is correct |
62 |
Correct |
8 ms |
376 KB |
Output is correct |
63 |
Correct |
156 ms |
17656 KB |
Output is correct |
64 |
Correct |
117 ms |
17912 KB |
Output is correct |
65 |
Correct |
113 ms |
17912 KB |
Output is correct |
66 |
Correct |
116 ms |
18040 KB |
Output is correct |
67 |
Correct |
110 ms |
17912 KB |
Output is correct |
68 |
Correct |
109 ms |
17916 KB |
Output is correct |
69 |
Correct |
110 ms |
17912 KB |
Output is correct |
70 |
Correct |
17 ms |
4216 KB |
Output is correct |
71 |
Correct |
17 ms |
4216 KB |
Output is correct |
72 |
Correct |
18 ms |
4216 KB |
Output is correct |
73 |
Correct |
17 ms |
4216 KB |
Output is correct |
74 |
Correct |
18 ms |
4216 KB |
Output is correct |
75 |
Correct |
17 ms |
4216 KB |
Output is correct |
76 |
Correct |
18 ms |
4216 KB |
Output is correct |
77 |
Correct |
17 ms |
4216 KB |
Output is correct |
78 |
Correct |
18 ms |
4216 KB |
Output is correct |
79 |
Correct |
17 ms |
4344 KB |
Output is correct |
80 |
Correct |
18 ms |
4216 KB |
Output is correct |
81 |
Correct |
18 ms |
4344 KB |
Output is correct |
82 |
Correct |
18 ms |
4216 KB |
Output is correct |
83 |
Correct |
18 ms |
4216 KB |
Output is correct |
84 |
Correct |
17 ms |
4216 KB |
Output is correct |
85 |
Correct |
18 ms |
4216 KB |
Output is correct |
86 |
Correct |
18 ms |
4216 KB |
Output is correct |
87 |
Correct |
18 ms |
4216 KB |
Output is correct |
88 |
Correct |
18 ms |
4216 KB |
Output is correct |
89 |
Correct |
18 ms |
4216 KB |
Output is correct |
90 |
Correct |
17 ms |
4216 KB |
Output is correct |