#include <bits/stdc++.h>
using namespace std;
#define EmiliaMyWife ios::sync_with_stdio(0); cin.tie(0);
using ll = int64_t;
using uint = uint32_t;
using ull = uint64_t;
using ld = long double;
const int INF = 0x3f3f3f3f;
const int MOD = 1e9 + 7;
const double EPS = 1e-8;
const ll LINF = ll(4e18) + ll(2e15);
static int LamyIsCute = []() {
EmiliaMyWife
return 48763;
}();
signed main() {
int n, m;
cin >> n >> m;
vector<string> arr(n);
for(int i = 0; i < n; i++)
cin >> arr[i];
vector<vector<bool>> ver(n, vector<bool>(m)), hor = ver;
for(int i = 0; i + 2 < n; i++)
for(int j = 0; j < m; j++)
if(arr[i][j] == 'R' && arr[i + 1][j] == 'G' && arr[i + 2][j] == 'W')
ver[i][j] = ver[i + 1][j] = ver[i + 2][j] = true;
for(int i = 0; i < n; i++)
for(int j = 0; j + 2 < m; j++)
if(arr[i][j] == 'R' && arr[i][j + 1] == 'G' && arr[i][j + 2] == 'W')
hor[i][j] = hor[i][j + 1] = hor[i][j + 2] = true;
vector<array<int, 3>> dp(n);
int ans = 0;
for(int s = 1; s < n + m - 1; s++) {
fill(dp.begin(), dp.end(), array<int, 3>());
for(int i = max(0, s - m + 1); i <= min(n - 1, s); i++) {
int j = s - i;
if(i)
dp[i][0] = max({dp[i - 1][0], dp[i - 1][1], dp[i - 1][2]});
if(arr[i][j] == 'G' && ver[i][j])
dp[i][1] = (i ? max(dp[i - 1][0], dp[i - 1][1]) : 0) + 1;
if(arr[i][j] == 'G' && hor[i][j])
dp[i][2] = (i ? max(dp[i - 1][0], dp[i - 1][2]) : 0) + 1;
}
int x = min(n - 1, s);
ans += max({dp[x][0], dp[x][1], dp[x][2]});
}
cout << ans << '\n';
}
# |
결과 |
실행 시간 |
메모리 |
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 |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 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 |
1 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 |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 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 |
1 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 |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
312 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
308 KB |
Output is correct |
22 |
Correct |
1 ms |
304 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
316 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
316 KB |
Output is correct |
34 |
Correct |
0 ms |
204 KB |
Output is correct |
35 |
Correct |
0 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
308 KB |
Output is correct |
38 |
Correct |
0 ms |
204 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
1 ms |
204 KB |
Output is correct |
48 |
Correct |
1 ms |
308 KB |
Output is correct |
49 |
Correct |
1 ms |
312 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
1 ms |
204 KB |
Output is correct |
52 |
Correct |
0 ms |
204 KB |
Output is correct |
53 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
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 |
1 ms |
312 KB |
Output is correct |
6 |
Correct |
1 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 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 |
1 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 |
1 ms |
312 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
308 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
1 ms |
312 KB |
Output is correct |
20 |
Correct |
0 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
308 KB |
Output is correct |
22 |
Correct |
1 ms |
304 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
0 ms |
312 KB |
Output is correct |
26 |
Correct |
1 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
1 ms |
204 KB |
Output is correct |
29 |
Correct |
1 ms |
204 KB |
Output is correct |
30 |
Correct |
1 ms |
316 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
316 KB |
Output is correct |
34 |
Correct |
0 ms |
204 KB |
Output is correct |
35 |
Correct |
0 ms |
204 KB |
Output is correct |
36 |
Correct |
1 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
308 KB |
Output is correct |
38 |
Correct |
0 ms |
204 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
1 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
204 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
1 ms |
204 KB |
Output is correct |
48 |
Correct |
1 ms |
308 KB |
Output is correct |
49 |
Correct |
1 ms |
312 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
1 ms |
204 KB |
Output is correct |
52 |
Correct |
0 ms |
204 KB |
Output is correct |
53 |
Correct |
0 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
204 KB |
Output is correct |
55 |
Correct |
11 ms |
828 KB |
Output is correct |
56 |
Correct |
1 ms |
332 KB |
Output is correct |
57 |
Correct |
6 ms |
712 KB |
Output is correct |
58 |
Correct |
26 ms |
2740 KB |
Output is correct |
59 |
Correct |
255 ms |
21420 KB |
Output is correct |
60 |
Correct |
275 ms |
21572 KB |
Output is correct |
61 |
Correct |
236 ms |
21508 KB |
Output is correct |
62 |
Correct |
1 ms |
304 KB |
Output is correct |
63 |
Correct |
273 ms |
20652 KB |
Output is correct |
64 |
Correct |
143 ms |
21316 KB |
Output is correct |
65 |
Correct |
167 ms |
21316 KB |
Output is correct |
66 |
Correct |
142 ms |
21404 KB |
Output is correct |
67 |
Correct |
126 ms |
21420 KB |
Output is correct |
68 |
Correct |
132 ms |
21516 KB |
Output is correct |
69 |
Correct |
162 ms |
21424 KB |
Output is correct |
70 |
Correct |
15 ms |
2752 KB |
Output is correct |
71 |
Correct |
15 ms |
2656 KB |
Output is correct |
72 |
Correct |
14 ms |
2632 KB |
Output is correct |
73 |
Correct |
15 ms |
2620 KB |
Output is correct |
74 |
Correct |
16 ms |
2636 KB |
Output is correct |
75 |
Correct |
15 ms |
2632 KB |
Output is correct |
76 |
Correct |
15 ms |
2636 KB |
Output is correct |
77 |
Correct |
15 ms |
2616 KB |
Output is correct |
78 |
Correct |
16 ms |
2604 KB |
Output is correct |
79 |
Correct |
19 ms |
2640 KB |
Output is correct |
80 |
Correct |
18 ms |
2752 KB |
Output is correct |
81 |
Correct |
14 ms |
2724 KB |
Output is correct |
82 |
Correct |
15 ms |
2628 KB |
Output is correct |
83 |
Correct |
15 ms |
2644 KB |
Output is correct |
84 |
Correct |
15 ms |
2616 KB |
Output is correct |
85 |
Correct |
15 ms |
2616 KB |
Output is correct |
86 |
Correct |
14 ms |
2628 KB |
Output is correct |
87 |
Correct |
16 ms |
2624 KB |
Output is correct |
88 |
Correct |
19 ms |
2748 KB |
Output is correct |
89 |
Correct |
15 ms |
2748 KB |
Output is correct |
90 |
Correct |
15 ms |
2628 KB |
Output is correct |