#include <iostream>
#include <string.h>
using namespace std;
const int maxN = 3e3 + 326;
string mp[maxN];
int N, M, dp[maxN][maxN][4], ans[maxN * 2], r;
bool canV[maxN][maxN], canH[maxN][maxN];
int main(){
cin >> N >> M;
for(int i = 0; i < N; i++){
cin >> mp[i];
}
//for(int i = 0; i < N; i++) for(int j = 0; j < M; j++) cout << mp[i][j] << " \n"[j == M - 1];
for(int i = 0; i < N; i++){
for(int j = 0; j < M; j++){
canV[i][j] = i < N - 2 && (mp[i][j] == 'R' && mp[i + 1][j] == 'G' && mp[i + 2][j] == 'W');
canH[i][j] = j < M - 2 && (mp[i][j] == 'R' && mp[i][j + 1] == 'G' && mp[i][j + 2] == 'W');
if(i - 1 < 0 || j + 1 >= M){
dp[i][j][2] = (canV[i][j]);
dp[i][j][0] = (canH[i][j]);
ans[i + j] = max(ans[i + j], dp[i][j][2]);
ans[i + j] = max(ans[i + j], dp[i][j][0]);
//cout << "dp[" << i << "][" << j << "][" << 0 << "] = " << dp[i][j][0] << endl;
//cout << "dp[" << i << "][" << j << "][" << 2 << "] = " << dp[i][j][2] << endl;
} else {
dp[i][j][0] = max(max(dp[i - 1][j + 1][1], dp[i - 1][j + 1][0]), canH[i][j] * (dp[i - 1][j + 1][0] + 1));
dp[i][j][1] = max(dp[i - 1][j + 1][2], dp[i - 1][j + 1][3]);
if(canV[i][j]){
dp[i][j][2] = max(dp[i - 1][j + 1][0], dp[i - 1][j + 1][1]) + 1;
dp[i][j][3] = max(dp[i - 1][j + 1][2], dp[i - 1][j + 1][3]) + 1;
}
for(int k = 0; k < 4; k++){
ans[i + j] = max(ans[i + j], dp[i][j][k]);
//cout << "dp[" << i << "][" << j << "][" << k << "] = " << dp[i][j][k] << endl;
}
}
}
}
/*
for(int i = 0; i < N; i++) for(int j = 0; j < M; j++) cout << canV[i][j] << " \n"[j == M - 1];
cout << endl;
for(int i = 0; i < N; i++) for(int j = 0; j < M; j++) cout << canH[i][j] << " \n"[j == M - 1];
cout << endl;
*/
for(int i = 0; i < N + M; i++) r += ans[i];
cout << r << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
1 ms |
512 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
1 ms |
512 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
17 |
Correct |
1 ms |
492 KB |
Output is correct |
18 |
Correct |
1 ms |
492 KB |
Output is correct |
19 |
Correct |
1 ms |
492 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
1 ms |
492 KB |
Output is correct |
35 |
Correct |
1 ms |
492 KB |
Output is correct |
36 |
Correct |
1 ms |
492 KB |
Output is correct |
37 |
Correct |
1 ms |
492 KB |
Output is correct |
38 |
Correct |
1 ms |
492 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
492 KB |
Output is correct |
41 |
Correct |
1 ms |
492 KB |
Output is correct |
42 |
Correct |
1 ms |
492 KB |
Output is correct |
43 |
Correct |
1 ms |
492 KB |
Output is correct |
44 |
Correct |
1 ms |
492 KB |
Output is correct |
45 |
Correct |
1 ms |
492 KB |
Output is correct |
46 |
Correct |
1 ms |
492 KB |
Output is correct |
47 |
Correct |
1 ms |
492 KB |
Output is correct |
48 |
Correct |
1 ms |
492 KB |
Output is correct |
49 |
Correct |
1 ms |
492 KB |
Output is correct |
50 |
Correct |
1 ms |
492 KB |
Output is correct |
51 |
Correct |
1 ms |
492 KB |
Output is correct |
52 |
Correct |
1 ms |
492 KB |
Output is correct |
53 |
Correct |
1 ms |
492 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
492 KB |
Output is correct |
2 |
Correct |
1 ms |
492 KB |
Output is correct |
3 |
Correct |
1 ms |
492 KB |
Output is correct |
4 |
Correct |
1 ms |
492 KB |
Output is correct |
5 |
Correct |
1 ms |
492 KB |
Output is correct |
6 |
Correct |
1 ms |
512 KB |
Output is correct |
7 |
Correct |
1 ms |
492 KB |
Output is correct |
8 |
Correct |
1 ms |
492 KB |
Output is correct |
9 |
Correct |
1 ms |
512 KB |
Output is correct |
10 |
Correct |
1 ms |
492 KB |
Output is correct |
11 |
Correct |
1 ms |
492 KB |
Output is correct |
12 |
Correct |
1 ms |
492 KB |
Output is correct |
13 |
Correct |
1 ms |
492 KB |
Output is correct |
14 |
Correct |
1 ms |
492 KB |
Output is correct |
15 |
Correct |
1 ms |
492 KB |
Output is correct |
16 |
Correct |
1 ms |
492 KB |
Output is correct |
17 |
Correct |
1 ms |
492 KB |
Output is correct |
18 |
Correct |
1 ms |
492 KB |
Output is correct |
19 |
Correct |
1 ms |
492 KB |
Output is correct |
20 |
Correct |
1 ms |
492 KB |
Output is correct |
21 |
Correct |
1 ms |
492 KB |
Output is correct |
22 |
Correct |
1 ms |
492 KB |
Output is correct |
23 |
Correct |
1 ms |
492 KB |
Output is correct |
24 |
Correct |
1 ms |
492 KB |
Output is correct |
25 |
Correct |
1 ms |
492 KB |
Output is correct |
26 |
Correct |
1 ms |
492 KB |
Output is correct |
27 |
Correct |
1 ms |
492 KB |
Output is correct |
28 |
Correct |
1 ms |
492 KB |
Output is correct |
29 |
Correct |
1 ms |
492 KB |
Output is correct |
30 |
Correct |
1 ms |
492 KB |
Output is correct |
31 |
Correct |
1 ms |
492 KB |
Output is correct |
32 |
Correct |
1 ms |
492 KB |
Output is correct |
33 |
Correct |
1 ms |
492 KB |
Output is correct |
34 |
Correct |
1 ms |
492 KB |
Output is correct |
35 |
Correct |
1 ms |
492 KB |
Output is correct |
36 |
Correct |
1 ms |
492 KB |
Output is correct |
37 |
Correct |
1 ms |
492 KB |
Output is correct |
38 |
Correct |
1 ms |
492 KB |
Output is correct |
39 |
Correct |
1 ms |
492 KB |
Output is correct |
40 |
Correct |
1 ms |
492 KB |
Output is correct |
41 |
Correct |
1 ms |
492 KB |
Output is correct |
42 |
Correct |
1 ms |
492 KB |
Output is correct |
43 |
Correct |
1 ms |
492 KB |
Output is correct |
44 |
Correct |
1 ms |
492 KB |
Output is correct |
45 |
Correct |
1 ms |
492 KB |
Output is correct |
46 |
Correct |
1 ms |
492 KB |
Output is correct |
47 |
Correct |
1 ms |
492 KB |
Output is correct |
48 |
Correct |
1 ms |
492 KB |
Output is correct |
49 |
Correct |
1 ms |
492 KB |
Output is correct |
50 |
Correct |
1 ms |
492 KB |
Output is correct |
51 |
Correct |
1 ms |
492 KB |
Output is correct |
52 |
Correct |
1 ms |
492 KB |
Output is correct |
53 |
Correct |
1 ms |
492 KB |
Output is correct |
54 |
Correct |
1 ms |
492 KB |
Output is correct |
55 |
Correct |
18 ms |
32236 KB |
Output is correct |
56 |
Correct |
1 ms |
748 KB |
Output is correct |
57 |
Correct |
12 ms |
21868 KB |
Output is correct |
58 |
Correct |
53 ms |
29548 KB |
Output is correct |
59 |
Correct |
424 ms |
186220 KB |
Output is correct |
60 |
Correct |
424 ms |
186312 KB |
Output is correct |
61 |
Correct |
420 ms |
186224 KB |
Output is correct |
62 |
Correct |
1 ms |
620 KB |
Output is correct |
63 |
Correct |
414 ms |
181612 KB |
Output is correct |
64 |
Correct |
386 ms |
186604 KB |
Output is correct |
65 |
Correct |
373 ms |
186348 KB |
Output is correct |
66 |
Correct |
373 ms |
186476 KB |
Output is correct |
67 |
Correct |
370 ms |
186476 KB |
Output is correct |
68 |
Correct |
394 ms |
186476 KB |
Output is correct |
69 |
Correct |
379 ms |
186320 KB |
Output is correct |
70 |
Correct |
54 ms |
29548 KB |
Output is correct |
71 |
Correct |
47 ms |
29548 KB |
Output is correct |
72 |
Correct |
49 ms |
29548 KB |
Output is correct |
73 |
Correct |
47 ms |
29604 KB |
Output is correct |
74 |
Correct |
46 ms |
29548 KB |
Output is correct |
75 |
Correct |
47 ms |
29548 KB |
Output is correct |
76 |
Correct |
48 ms |
29548 KB |
Output is correct |
77 |
Correct |
46 ms |
29548 KB |
Output is correct |
78 |
Correct |
47 ms |
29548 KB |
Output is correct |
79 |
Correct |
48 ms |
29548 KB |
Output is correct |
80 |
Correct |
46 ms |
29548 KB |
Output is correct |
81 |
Correct |
46 ms |
29548 KB |
Output is correct |
82 |
Correct |
46 ms |
29548 KB |
Output is correct |
83 |
Correct |
47 ms |
29548 KB |
Output is correct |
84 |
Correct |
46 ms |
29548 KB |
Output is correct |
85 |
Correct |
46 ms |
29548 KB |
Output is correct |
86 |
Correct |
46 ms |
29548 KB |
Output is correct |
87 |
Correct |
46 ms |
29548 KB |
Output is correct |
88 |
Correct |
47 ms |
29548 KB |
Output is correct |
89 |
Correct |
47 ms |
29548 KB |
Output is correct |
90 |
Correct |
46 ms |
29548 KB |
Output is correct |