#include <bits/stdc++.h>
using namespace std;
char tab[3010][3010];
int dp[3010][3010][2];
int ans[3010][3010];
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int n, m;
cin >> n >> m;
n += 2;
m += 2;
for(int i = 3; i <= n; i++) {
for(int j = 3; j <= m; j++) {
cin >> tab[i][j];
}
}
for(int i = 3; i <= n; i++) {
for(int j = 3; j <= m; j++) {
dp[i][j][0] = dp[i - 1][j + 1][0];
dp[i][j][1] = dp[i - 1][j + 1][1];
if(tab[i][j] == 'R' && tab[i][j + 1] == 'G' && tab[i][j + 2] == 'W') {
if(max(dp[i - 1][j + 1][0], dp[i - 3][j + 3][1]) + 1 > dp[i][j][0]) {
dp[i][j][0] = max(dp[i - 1][j + 1][0], dp[i - 3][j + 3][1]) + 1;
}
}
if(tab[i][j] == 'R' && tab[i + 1][j] == 'G' && tab[i + 2][j] == 'W') {
if(max(dp[i - 1][j + 1][0], dp[i - 1][j + 1][1]) + 1 > dp[i][j][1]) {
dp[i][j][1] = max(dp[i - 1][j + 1][0], dp[i - 1][j + 1][1]) + 1;
}
}
ans[i][j] = max(dp[i][j][0], dp[i][j][1]);
}
}
int res = 0;
for(int i = 3; i <= n; i++) {
res += ans[i][3];
}
for(int j = 4; j <= m; j++) {
res += ans[n][j];
}
cout << res << '\n';
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
0 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
324 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
456 KB |
Output is correct |
| 29 |
Correct |
0 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
0 ms |
340 KB |
Output is correct |
| 32 |
Correct |
0 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
| 34 |
Correct |
0 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
0 ms |
340 KB |
Output is correct |
| 38 |
Correct |
0 ms |
340 KB |
Output is correct |
| 39 |
Correct |
0 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
328 KB |
Output is correct |
| 41 |
Correct |
1 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
340 KB |
Output is correct |
| 43 |
Correct |
1 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
340 KB |
Output is correct |
| 45 |
Correct |
1 ms |
340 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
340 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
0 ms |
328 KB |
Output is correct |
| 50 |
Correct |
1 ms |
340 KB |
Output is correct |
| 51 |
Correct |
0 ms |
328 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
340 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
324 KB |
Output is correct |
| 2 |
Correct |
1 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
1 ms |
340 KB |
Output is correct |
| 5 |
Correct |
0 ms |
340 KB |
Output is correct |
| 6 |
Correct |
1 ms |
332 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
340 KB |
Output is correct |
| 9 |
Correct |
1 ms |
340 KB |
Output is correct |
| 10 |
Correct |
1 ms |
340 KB |
Output is correct |
| 11 |
Correct |
1 ms |
340 KB |
Output is correct |
| 12 |
Correct |
1 ms |
340 KB |
Output is correct |
| 13 |
Correct |
1 ms |
324 KB |
Output is correct |
| 14 |
Correct |
1 ms |
340 KB |
Output is correct |
| 15 |
Correct |
0 ms |
340 KB |
Output is correct |
| 16 |
Correct |
1 ms |
328 KB |
Output is correct |
| 17 |
Correct |
1 ms |
340 KB |
Output is correct |
| 18 |
Correct |
1 ms |
340 KB |
Output is correct |
| 19 |
Correct |
1 ms |
340 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
0 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
340 KB |
Output is correct |
| 25 |
Correct |
1 ms |
324 KB |
Output is correct |
| 26 |
Correct |
1 ms |
340 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
456 KB |
Output is correct |
| 29 |
Correct |
0 ms |
340 KB |
Output is correct |
| 30 |
Correct |
1 ms |
340 KB |
Output is correct |
| 31 |
Correct |
0 ms |
340 KB |
Output is correct |
| 32 |
Correct |
0 ms |
340 KB |
Output is correct |
| 33 |
Correct |
1 ms |
340 KB |
Output is correct |
| 34 |
Correct |
0 ms |
340 KB |
Output is correct |
| 35 |
Correct |
1 ms |
340 KB |
Output is correct |
| 36 |
Correct |
1 ms |
340 KB |
Output is correct |
| 37 |
Correct |
0 ms |
340 KB |
Output is correct |
| 38 |
Correct |
0 ms |
340 KB |
Output is correct |
| 39 |
Correct |
0 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
328 KB |
Output is correct |
| 41 |
Correct |
1 ms |
340 KB |
Output is correct |
| 42 |
Correct |
1 ms |
340 KB |
Output is correct |
| 43 |
Correct |
1 ms |
340 KB |
Output is correct |
| 44 |
Correct |
1 ms |
340 KB |
Output is correct |
| 45 |
Correct |
1 ms |
340 KB |
Output is correct |
| 46 |
Correct |
1 ms |
340 KB |
Output is correct |
| 47 |
Correct |
1 ms |
340 KB |
Output is correct |
| 48 |
Correct |
1 ms |
340 KB |
Output is correct |
| 49 |
Correct |
0 ms |
328 KB |
Output is correct |
| 50 |
Correct |
1 ms |
340 KB |
Output is correct |
| 51 |
Correct |
0 ms |
328 KB |
Output is correct |
| 52 |
Correct |
1 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
340 KB |
Output is correct |
| 54 |
Correct |
1 ms |
340 KB |
Output is correct |
| 55 |
Correct |
13 ms |
33256 KB |
Output is correct |
| 56 |
Correct |
1 ms |
468 KB |
Output is correct |
| 57 |
Correct |
11 ms |
22484 KB |
Output is correct |
| 58 |
Correct |
33 ms |
23976 KB |
Output is correct |
| 59 |
Correct |
224 ms |
123948 KB |
Output is correct |
| 60 |
Correct |
220 ms |
123948 KB |
Output is correct |
| 61 |
Correct |
217 ms |
123920 KB |
Output is correct |
| 62 |
Correct |
1 ms |
340 KB |
Output is correct |
| 63 |
Correct |
203 ms |
123588 KB |
Output is correct |
| 64 |
Correct |
168 ms |
123944 KB |
Output is correct |
| 65 |
Correct |
159 ms |
123932 KB |
Output is correct |
| 66 |
Correct |
154 ms |
123932 KB |
Output is correct |
| 67 |
Correct |
161 ms |
123896 KB |
Output is correct |
| 68 |
Correct |
166 ms |
123972 KB |
Output is correct |
| 69 |
Correct |
164 ms |
123932 KB |
Output is correct |
| 70 |
Correct |
22 ms |
23928 KB |
Output is correct |
| 71 |
Correct |
22 ms |
24012 KB |
Output is correct |
| 72 |
Correct |
23 ms |
24020 KB |
Output is correct |
| 73 |
Correct |
22 ms |
23924 KB |
Output is correct |
| 74 |
Correct |
23 ms |
24032 KB |
Output is correct |
| 75 |
Correct |
23 ms |
23932 KB |
Output is correct |
| 76 |
Correct |
23 ms |
24020 KB |
Output is correct |
| 77 |
Correct |
22 ms |
23928 KB |
Output is correct |
| 78 |
Correct |
22 ms |
24036 KB |
Output is correct |
| 79 |
Correct |
28 ms |
23992 KB |
Output is correct |
| 80 |
Correct |
23 ms |
24012 KB |
Output is correct |
| 81 |
Correct |
22 ms |
23944 KB |
Output is correct |
| 82 |
Correct |
23 ms |
24000 KB |
Output is correct |
| 83 |
Correct |
22 ms |
23956 KB |
Output is correct |
| 84 |
Correct |
24 ms |
23920 KB |
Output is correct |
| 85 |
Correct |
23 ms |
23936 KB |
Output is correct |
| 86 |
Correct |
23 ms |
23928 KB |
Output is correct |
| 87 |
Correct |
24 ms |
24012 KB |
Output is correct |
| 88 |
Correct |
22 ms |
24012 KB |
Output is correct |
| 89 |
Correct |
22 ms |
24020 KB |
Output is correct |
| 90 |
Correct |
22 ms |
23924 KB |
Output is correct |
