#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;
}
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
| # |
Verdict |
Execution time |
Memory |
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 |
