#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef long double ld;
typedef pair<int,int> pii;
const int maxn = 3000 + 10;
const int inf = 1e9;
string s[maxn];
int dp[maxn][maxn][2];
int main(){
ios_base::sync_with_stdio(false);
int n, m;
cin >> n >> m;
for (int i = 0; i < n; i++)
cin >> s[i];
int answer = 0;
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
if (s[i][j] != 'G')
continue;
int can = 0;
if (i > 0 and i < n - 1 and s[i - 1][j] == 'R' and s[i + 1][j] == 'W')
can |= 1;
if (j > 0 and j < m - 1 and s[i][j - 1] == 'R' and s[i][j + 1] == 'W')
can |= 2;
if (i > 0 and j < m - 1)
dp[i][j][0] = dp[i][j][1] = max(dp[i-1][j+1][0], dp[i-1][j+1][1]);
if (can & 1){
int t = ((i > 0 and j < m - 1) ? dp[i-1][j+1][0] : 0);
dp[i][j][0] = max(dp[i][j][0], t + 1);
}
if (can & 2){
int t = ((i > 0 and j < m - 1) ? dp[i-1][j+1][1] : 0);
dp[i][j][1] = max(dp[i][j][1], t + 1);
}
if (i == n - 1 or j == 0 or s[i+1][j-1] != 'G')
answer += max(dp[i][j][0], dp[i][j][1]);
}
}
cout << answer << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
4 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
504 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
504 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
504 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 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 |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
4 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
504 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
504 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
504 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 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 |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
504 KB |
Output is correct |
| 19 |
Correct |
5 ms |
504 KB |
Output is correct |
| 20 |
Correct |
5 ms |
504 KB |
Output is correct |
| 21 |
Correct |
5 ms |
504 KB |
Output is correct |
| 22 |
Correct |
5 ms |
504 KB |
Output is correct |
| 23 |
Correct |
5 ms |
504 KB |
Output is correct |
| 24 |
Correct |
5 ms |
504 KB |
Output is correct |
| 25 |
Correct |
5 ms |
504 KB |
Output is correct |
| 26 |
Correct |
5 ms |
504 KB |
Output is correct |
| 27 |
Correct |
6 ms |
504 KB |
Output is correct |
| 28 |
Correct |
5 ms |
508 KB |
Output is correct |
| 29 |
Correct |
6 ms |
504 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
5 ms |
504 KB |
Output is correct |
| 33 |
Correct |
5 ms |
504 KB |
Output is correct |
| 34 |
Correct |
5 ms |
504 KB |
Output is correct |
| 35 |
Correct |
5 ms |
504 KB |
Output is correct |
| 36 |
Correct |
5 ms |
504 KB |
Output is correct |
| 37 |
Correct |
5 ms |
504 KB |
Output is correct |
| 38 |
Correct |
5 ms |
504 KB |
Output is correct |
| 39 |
Correct |
5 ms |
504 KB |
Output is correct |
| 40 |
Correct |
5 ms |
504 KB |
Output is correct |
| 41 |
Correct |
5 ms |
504 KB |
Output is correct |
| 42 |
Correct |
5 ms |
504 KB |
Output is correct |
| 43 |
Correct |
5 ms |
504 KB |
Output is correct |
| 44 |
Correct |
5 ms |
504 KB |
Output is correct |
| 45 |
Correct |
5 ms |
504 KB |
Output is correct |
| 46 |
Correct |
6 ms |
504 KB |
Output is correct |
| 47 |
Correct |
5 ms |
504 KB |
Output is correct |
| 48 |
Correct |
5 ms |
504 KB |
Output is correct |
| 49 |
Correct |
5 ms |
504 KB |
Output is correct |
| 50 |
Correct |
5 ms |
504 KB |
Output is correct |
| 51 |
Correct |
5 ms |
504 KB |
Output is correct |
| 52 |
Correct |
5 ms |
504 KB |
Output is correct |
| 53 |
Correct |
5 ms |
504 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
5 ms |
376 KB |
Output is correct |
| 2 |
Correct |
5 ms |
376 KB |
Output is correct |
| 3 |
Correct |
4 ms |
376 KB |
Output is correct |
| 4 |
Correct |
5 ms |
376 KB |
Output is correct |
| 5 |
Correct |
5 ms |
504 KB |
Output is correct |
| 6 |
Correct |
5 ms |
376 KB |
Output is correct |
| 7 |
Correct |
5 ms |
504 KB |
Output is correct |
| 8 |
Correct |
5 ms |
376 KB |
Output is correct |
| 9 |
Correct |
5 ms |
504 KB |
Output is correct |
| 10 |
Correct |
5 ms |
504 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 |
504 KB |
Output is correct |
| 16 |
Correct |
5 ms |
376 KB |
Output is correct |
| 17 |
Correct |
5 ms |
504 KB |
Output is correct |
| 18 |
Correct |
5 ms |
504 KB |
Output is correct |
| 19 |
Correct |
5 ms |
504 KB |
Output is correct |
| 20 |
Correct |
5 ms |
504 KB |
Output is correct |
| 21 |
Correct |
5 ms |
504 KB |
Output is correct |
| 22 |
Correct |
5 ms |
504 KB |
Output is correct |
| 23 |
Correct |
5 ms |
504 KB |
Output is correct |
| 24 |
Correct |
5 ms |
504 KB |
Output is correct |
| 25 |
Correct |
5 ms |
504 KB |
Output is correct |
| 26 |
Correct |
5 ms |
504 KB |
Output is correct |
| 27 |
Correct |
6 ms |
504 KB |
Output is correct |
| 28 |
Correct |
5 ms |
508 KB |
Output is correct |
| 29 |
Correct |
6 ms |
504 KB |
Output is correct |
| 30 |
Correct |
5 ms |
376 KB |
Output is correct |
| 31 |
Correct |
5 ms |
376 KB |
Output is correct |
| 32 |
Correct |
5 ms |
504 KB |
Output is correct |
| 33 |
Correct |
5 ms |
504 KB |
Output is correct |
| 34 |
Correct |
5 ms |
504 KB |
Output is correct |
| 35 |
Correct |
5 ms |
504 KB |
Output is correct |
| 36 |
Correct |
5 ms |
504 KB |
Output is correct |
| 37 |
Correct |
5 ms |
504 KB |
Output is correct |
| 38 |
Correct |
5 ms |
504 KB |
Output is correct |
| 39 |
Correct |
5 ms |
504 KB |
Output is correct |
| 40 |
Correct |
5 ms |
504 KB |
Output is correct |
| 41 |
Correct |
5 ms |
504 KB |
Output is correct |
| 42 |
Correct |
5 ms |
504 KB |
Output is correct |
| 43 |
Correct |
5 ms |
504 KB |
Output is correct |
| 44 |
Correct |
5 ms |
504 KB |
Output is correct |
| 45 |
Correct |
5 ms |
504 KB |
Output is correct |
| 46 |
Correct |
6 ms |
504 KB |
Output is correct |
| 47 |
Correct |
5 ms |
504 KB |
Output is correct |
| 48 |
Correct |
5 ms |
504 KB |
Output is correct |
| 49 |
Correct |
5 ms |
504 KB |
Output is correct |
| 50 |
Correct |
5 ms |
504 KB |
Output is correct |
| 51 |
Correct |
5 ms |
504 KB |
Output is correct |
| 52 |
Correct |
5 ms |
504 KB |
Output is correct |
| 53 |
Correct |
5 ms |
504 KB |
Output is correct |
| 54 |
Correct |
5 ms |
504 KB |
Output is correct |
| 55 |
Correct |
6 ms |
1016 KB |
Output is correct |
| 56 |
Correct |
5 ms |
632 KB |
Output is correct |
| 57 |
Correct |
9 ms |
8440 KB |
Output is correct |
| 58 |
Correct |
24 ms |
14200 KB |
Output is correct |
| 59 |
Correct |
161 ms |
89592 KB |
Output is correct |
| 60 |
Correct |
156 ms |
89592 KB |
Output is correct |
| 61 |
Correct |
158 ms |
89696 KB |
Output is correct |
| 62 |
Correct |
5 ms |
504 KB |
Output is correct |
| 63 |
Correct |
154 ms |
88928 KB |
Output is correct |
| 64 |
Correct |
85 ms |
89592 KB |
Output is correct |
| 65 |
Correct |
86 ms |
89592 KB |
Output is correct |
| 66 |
Correct |
90 ms |
89592 KB |
Output is correct |
| 67 |
Correct |
67 ms |
50424 KB |
Output is correct |
| 68 |
Correct |
79 ms |
72824 KB |
Output is correct |
| 69 |
Correct |
96 ms |
89592 KB |
Output is correct |
| 70 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 71 |
Correct |
17 ms |
14304 KB |
Output is correct |
| 72 |
Correct |
18 ms |
14328 KB |
Output is correct |
| 73 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 74 |
Correct |
15 ms |
14328 KB |
Output is correct |
| 75 |
Correct |
16 ms |
14332 KB |
Output is correct |
| 76 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 77 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 78 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 79 |
Correct |
15 ms |
14328 KB |
Output is correct |
| 80 |
Correct |
15 ms |
14328 KB |
Output is correct |
| 81 |
Correct |
15 ms |
14332 KB |
Output is correct |
| 82 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 83 |
Correct |
15 ms |
14328 KB |
Output is correct |
| 84 |
Correct |
15 ms |
14316 KB |
Output is correct |
| 85 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 86 |
Correct |
16 ms |
14332 KB |
Output is correct |
| 87 |
Correct |
15 ms |
14328 KB |
Output is correct |
| 88 |
Correct |
15 ms |
14284 KB |
Output is correct |
| 89 |
Correct |
16 ms |
14328 KB |
Output is correct |
| 90 |
Correct |
20 ms |
14328 KB |
Output is correct |
