#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
#include "C:\GCC\debug.h"
#else
#define debug(...) void(42)
#endif
const int N = 3005;
int dp[N][N][2][2];
bool vis[N][N];
int main() {
ios::sync_with_stdio(false);
cin.tie(0);
int n, m;
cin >> n >> m;
vector<vector<char>> g(n, vector<char> (m));
for (int i = 0; i < n; i++) {
for (int j = 0; j < m; j++) {
cin >> g[i][j];
}
}
memset(dp, -1, sizeof(dp));
function<int(int, int, int, int)> DP = [&](int i, int j, int previous_row, int third_row) {
if (i < 0 || j >= m) {
return 0;
}
vis[i][j] = true;
if (dp[i][j][previous_row][third_row] != -1) {
return dp[i][j][previous_row][third_row];
}
int ans = 0;
if (i + 2 < n && g[i][j] == 'R' && g[i + 1][j] == 'G' && g[i + 2][j] == 'W' && !previous_row && !third_row) {
ans = max(ans, DP(i - 1, j + 1, 0, previous_row) + 1);
}
if (j + 2 < m && g[i][j] == 'R' && g[i][j + 1] == 'G' && g[i][j + 2] == 'W') {
ans = max(ans, DP(i - 1, j + 1, 1, previous_row) + 1);
}
ans = max(ans, DP(i - 1, j + 1, 0, previous_row));
return dp[i][j][previous_row][third_row] = ans;
};
int res = 0;
for (int i = n - 1; i >= 0; i--) {
for (int j = 0; j < m; j++) {
if (!vis[i][j]) {
res += DP(i, j, 0, 0);
}
}
}
cout << res << '\n';
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
141620 KB |
Output is correct |
2 |
Correct |
44 ms |
141652 KB |
Output is correct |
3 |
Correct |
43 ms |
141644 KB |
Output is correct |
4 |
Correct |
44 ms |
141604 KB |
Output is correct |
5 |
Correct |
47 ms |
141684 KB |
Output is correct |
6 |
Correct |
45 ms |
141640 KB |
Output is correct |
7 |
Correct |
44 ms |
141652 KB |
Output is correct |
8 |
Correct |
44 ms |
141584 KB |
Output is correct |
9 |
Correct |
44 ms |
141588 KB |
Output is correct |
10 |
Correct |
44 ms |
141632 KB |
Output is correct |
11 |
Correct |
45 ms |
141680 KB |
Output is correct |
12 |
Correct |
45 ms |
141612 KB |
Output is correct |
13 |
Correct |
45 ms |
141632 KB |
Output is correct |
14 |
Correct |
45 ms |
141616 KB |
Output is correct |
15 |
Correct |
45 ms |
141672 KB |
Output is correct |
16 |
Correct |
51 ms |
141588 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
141620 KB |
Output is correct |
2 |
Correct |
44 ms |
141652 KB |
Output is correct |
3 |
Correct |
43 ms |
141644 KB |
Output is correct |
4 |
Correct |
44 ms |
141604 KB |
Output is correct |
5 |
Correct |
47 ms |
141684 KB |
Output is correct |
6 |
Correct |
45 ms |
141640 KB |
Output is correct |
7 |
Correct |
44 ms |
141652 KB |
Output is correct |
8 |
Correct |
44 ms |
141584 KB |
Output is correct |
9 |
Correct |
44 ms |
141588 KB |
Output is correct |
10 |
Correct |
44 ms |
141632 KB |
Output is correct |
11 |
Correct |
45 ms |
141680 KB |
Output is correct |
12 |
Correct |
45 ms |
141612 KB |
Output is correct |
13 |
Correct |
45 ms |
141632 KB |
Output is correct |
14 |
Correct |
45 ms |
141616 KB |
Output is correct |
15 |
Correct |
45 ms |
141672 KB |
Output is correct |
16 |
Correct |
51 ms |
141588 KB |
Output is correct |
17 |
Correct |
45 ms |
141640 KB |
Output is correct |
18 |
Correct |
43 ms |
141600 KB |
Output is correct |
19 |
Correct |
44 ms |
141664 KB |
Output is correct |
20 |
Correct |
44 ms |
141648 KB |
Output is correct |
21 |
Correct |
49 ms |
141620 KB |
Output is correct |
22 |
Correct |
44 ms |
141636 KB |
Output is correct |
23 |
Correct |
43 ms |
141692 KB |
Output is correct |
24 |
Correct |
43 ms |
141644 KB |
Output is correct |
25 |
Correct |
44 ms |
141608 KB |
Output is correct |
26 |
Correct |
43 ms |
141664 KB |
Output is correct |
27 |
Correct |
43 ms |
141688 KB |
Output is correct |
28 |
Correct |
44 ms |
141612 KB |
Output is correct |
29 |
Correct |
43 ms |
141684 KB |
Output is correct |
30 |
Correct |
44 ms |
141656 KB |
Output is correct |
31 |
Correct |
44 ms |
141640 KB |
Output is correct |
32 |
Correct |
44 ms |
141696 KB |
Output is correct |
33 |
Correct |
43 ms |
141628 KB |
Output is correct |
34 |
Correct |
46 ms |
141596 KB |
Output is correct |
35 |
Correct |
43 ms |
141656 KB |
Output is correct |
36 |
Correct |
45 ms |
141644 KB |
Output is correct |
37 |
Correct |
50 ms |
141620 KB |
Output is correct |
38 |
Correct |
45 ms |
141608 KB |
Output is correct |
39 |
Correct |
45 ms |
141632 KB |
Output is correct |
40 |
Correct |
46 ms |
141680 KB |
Output is correct |
41 |
Correct |
50 ms |
141728 KB |
Output is correct |
42 |
Correct |
45 ms |
141640 KB |
Output is correct |
43 |
Correct |
44 ms |
141644 KB |
Output is correct |
44 |
Correct |
45 ms |
141676 KB |
Output is correct |
45 |
Correct |
45 ms |
141644 KB |
Output is correct |
46 |
Correct |
45 ms |
141696 KB |
Output is correct |
47 |
Correct |
43 ms |
141628 KB |
Output is correct |
48 |
Correct |
44 ms |
141612 KB |
Output is correct |
49 |
Correct |
44 ms |
141612 KB |
Output is correct |
50 |
Correct |
44 ms |
141644 KB |
Output is correct |
51 |
Correct |
44 ms |
141700 KB |
Output is correct |
52 |
Correct |
43 ms |
141604 KB |
Output is correct |
53 |
Correct |
43 ms |
141676 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
46 ms |
141620 KB |
Output is correct |
2 |
Correct |
44 ms |
141652 KB |
Output is correct |
3 |
Correct |
43 ms |
141644 KB |
Output is correct |
4 |
Correct |
44 ms |
141604 KB |
Output is correct |
5 |
Correct |
47 ms |
141684 KB |
Output is correct |
6 |
Correct |
45 ms |
141640 KB |
Output is correct |
7 |
Correct |
44 ms |
141652 KB |
Output is correct |
8 |
Correct |
44 ms |
141584 KB |
Output is correct |
9 |
Correct |
44 ms |
141588 KB |
Output is correct |
10 |
Correct |
44 ms |
141632 KB |
Output is correct |
11 |
Correct |
45 ms |
141680 KB |
Output is correct |
12 |
Correct |
45 ms |
141612 KB |
Output is correct |
13 |
Correct |
45 ms |
141632 KB |
Output is correct |
14 |
Correct |
45 ms |
141616 KB |
Output is correct |
15 |
Correct |
45 ms |
141672 KB |
Output is correct |
16 |
Correct |
51 ms |
141588 KB |
Output is correct |
17 |
Correct |
45 ms |
141640 KB |
Output is correct |
18 |
Correct |
43 ms |
141600 KB |
Output is correct |
19 |
Correct |
44 ms |
141664 KB |
Output is correct |
20 |
Correct |
44 ms |
141648 KB |
Output is correct |
21 |
Correct |
49 ms |
141620 KB |
Output is correct |
22 |
Correct |
44 ms |
141636 KB |
Output is correct |
23 |
Correct |
43 ms |
141692 KB |
Output is correct |
24 |
Correct |
43 ms |
141644 KB |
Output is correct |
25 |
Correct |
44 ms |
141608 KB |
Output is correct |
26 |
Correct |
43 ms |
141664 KB |
Output is correct |
27 |
Correct |
43 ms |
141688 KB |
Output is correct |
28 |
Correct |
44 ms |
141612 KB |
Output is correct |
29 |
Correct |
43 ms |
141684 KB |
Output is correct |
30 |
Correct |
44 ms |
141656 KB |
Output is correct |
31 |
Correct |
44 ms |
141640 KB |
Output is correct |
32 |
Correct |
44 ms |
141696 KB |
Output is correct |
33 |
Correct |
43 ms |
141628 KB |
Output is correct |
34 |
Correct |
46 ms |
141596 KB |
Output is correct |
35 |
Correct |
43 ms |
141656 KB |
Output is correct |
36 |
Correct |
45 ms |
141644 KB |
Output is correct |
37 |
Correct |
50 ms |
141620 KB |
Output is correct |
38 |
Correct |
45 ms |
141608 KB |
Output is correct |
39 |
Correct |
45 ms |
141632 KB |
Output is correct |
40 |
Correct |
46 ms |
141680 KB |
Output is correct |
41 |
Correct |
50 ms |
141728 KB |
Output is correct |
42 |
Correct |
45 ms |
141640 KB |
Output is correct |
43 |
Correct |
44 ms |
141644 KB |
Output is correct |
44 |
Correct |
45 ms |
141676 KB |
Output is correct |
45 |
Correct |
45 ms |
141644 KB |
Output is correct |
46 |
Correct |
45 ms |
141696 KB |
Output is correct |
47 |
Correct |
43 ms |
141628 KB |
Output is correct |
48 |
Correct |
44 ms |
141612 KB |
Output is correct |
49 |
Correct |
44 ms |
141612 KB |
Output is correct |
50 |
Correct |
44 ms |
141644 KB |
Output is correct |
51 |
Correct |
44 ms |
141700 KB |
Output is correct |
52 |
Correct |
43 ms |
141604 KB |
Output is correct |
53 |
Correct |
43 ms |
141676 KB |
Output is correct |
54 |
Correct |
43 ms |
141596 KB |
Output is correct |
55 |
Correct |
48 ms |
150660 KB |
Output is correct |
56 |
Correct |
45 ms |
141640 KB |
Output is correct |
57 |
Correct |
46 ms |
147660 KB |
Output is correct |
58 |
Correct |
85 ms |
146296 KB |
Output is correct |
59 |
Correct |
483 ms |
160376 KB |
Output is correct |
60 |
Correct |
481 ms |
160376 KB |
Output is correct |
61 |
Correct |
473 ms |
160380 KB |
Output is correct |
62 |
Correct |
45 ms |
141588 KB |
Output is correct |
63 |
Correct |
509 ms |
160024 KB |
Output is correct |
64 |
Correct |
670 ms |
160244 KB |
Output is correct |
65 |
Correct |
667 ms |
159868 KB |
Output is correct |
66 |
Correct |
659 ms |
159740 KB |
Output is correct |
67 |
Correct |
463 ms |
159864 KB |
Output is correct |
68 |
Correct |
498 ms |
159872 KB |
Output is correct |
69 |
Correct |
497 ms |
159868 KB |
Output is correct |
70 |
Correct |
98 ms |
145788 KB |
Output is correct |
71 |
Correct |
100 ms |
145776 KB |
Output is correct |
72 |
Correct |
100 ms |
145676 KB |
Output is correct |
73 |
Correct |
99 ms |
145780 KB |
Output is correct |
74 |
Correct |
96 ms |
145748 KB |
Output is correct |
75 |
Correct |
97 ms |
145708 KB |
Output is correct |
76 |
Correct |
128 ms |
145844 KB |
Output is correct |
77 |
Correct |
94 ms |
145708 KB |
Output is correct |
78 |
Correct |
96 ms |
145792 KB |
Output is correct |
79 |
Correct |
112 ms |
145720 KB |
Output is correct |
80 |
Correct |
104 ms |
145776 KB |
Output is correct |
81 |
Correct |
98 ms |
145684 KB |
Output is correct |
82 |
Correct |
112 ms |
145780 KB |
Output is correct |
83 |
Correct |
112 ms |
145760 KB |
Output is correct |
84 |
Correct |
112 ms |
145780 KB |
Output is correct |
85 |
Correct |
106 ms |
145784 KB |
Output is correct |
86 |
Correct |
97 ms |
145792 KB |
Output is correct |
87 |
Correct |
99 ms |
145680 KB |
Output is correct |
88 |
Correct |
119 ms |
145784 KB |
Output is correct |
89 |
Correct |
107 ms |
145752 KB |
Output is correct |
90 |
Correct |
102 ms |
145688 KB |
Output is correct |