#include <stdio.h>
#define N 3000
int max(int a, int b) { return a > b ? a : b; }
char s[N][N]; int dp[N + N][3], du[N][N], dr[N][N];
int main() {
int n, m, i, j;
scanf("%d%d", &n, &m);
for (i = 0; i < n; i++)
scanf("%s", s[i]);
for (i = 0; i < n; i++)
for (j = 0; j < m; j++) {
if (j > 0 && j < m - 1 && s[i][j - 1] == 'R' && s[i][j] == 'G' && s[i][j + 1] == 'W')
dr[i][j] = 1;
if (i > 0 && i < n - 1 && s[i - 1][j] == 'R' && s[i][j] == 'G' && s[i + 1][j] == 'W')
du[i][j] = 1;
}
for (i = 0; i < n; i++)
for (j = 0; j < m; j++) {
int i_, dp_[3];
dp_[1] = dp_[2] = 0;
dp_[0] = max(max(dp[i + j][0], dp[i + j][1]), dp[i + j][2]);
if (dr[i][j] == 1)
for (i_ = 0; i_ < 3; i_++)
if (i_ != 2)
dp_[1] = max(dp_[1], dp[i + j][i_] + 1);
if (du[i][j] == 1)
for (i_ = 0; i_ < 3; i_++)
if (i_ != 1)
dp_[2] = max(dp_[2], dp[i + j][i_] + 1);
for (i_ = 0; i_ < 3; i_++)
dp[i + j][i_] = dp_[i_];
}
int ans = 0;
for (i = 0; i < n + m; i++)
ans += max(max(dp[i][0], dp[i][1]), dp[i][2]);
printf("%d\n", ans);
return 0;
}
Compilation message
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:12:7: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
12 | scanf("%d%d", &n, &m);
| ~~~~~^~~~~~~~~~~~~~~~
dango_maker.cpp:14:8: warning: ignoring return value of 'int scanf(const char*, ...)' declared with attribute 'warn_unused_result' [-Wunused-result]
14 | scanf("%s", s[i]);
| ~~~~~^~~~~~~~~~~~
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
288 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
288 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
288 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
288 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
292 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
292 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
292 KB |
Output is correct |
| 29 |
Correct |
1 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 |
1 ms |
292 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 |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
1 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
292 KB |
Output is correct |
| 42 |
Correct |
1 ms |
268 KB |
Output is correct |
| 43 |
Correct |
1 ms |
292 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 |
288 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
0 ms |
340 KB |
Output is correct |
| 51 |
Correct |
1 ms |
352 KB |
Output is correct |
| 52 |
Correct |
0 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
296 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
1 ms |
212 KB |
Output is correct |
| 2 |
Correct |
0 ms |
212 KB |
Output is correct |
| 3 |
Correct |
0 ms |
212 KB |
Output is correct |
| 4 |
Correct |
1 ms |
212 KB |
Output is correct |
| 5 |
Correct |
1 ms |
212 KB |
Output is correct |
| 6 |
Correct |
0 ms |
212 KB |
Output is correct |
| 7 |
Correct |
0 ms |
212 KB |
Output is correct |
| 8 |
Correct |
1 ms |
212 KB |
Output is correct |
| 9 |
Correct |
1 ms |
212 KB |
Output is correct |
| 10 |
Correct |
0 ms |
288 KB |
Output is correct |
| 11 |
Correct |
0 ms |
212 KB |
Output is correct |
| 12 |
Correct |
1 ms |
212 KB |
Output is correct |
| 13 |
Correct |
1 ms |
212 KB |
Output is correct |
| 14 |
Correct |
0 ms |
212 KB |
Output is correct |
| 15 |
Correct |
0 ms |
212 KB |
Output is correct |
| 16 |
Correct |
0 ms |
288 KB |
Output is correct |
| 17 |
Correct |
1 ms |
212 KB |
Output is correct |
| 18 |
Correct |
1 ms |
212 KB |
Output is correct |
| 19 |
Correct |
1 ms |
292 KB |
Output is correct |
| 20 |
Correct |
1 ms |
340 KB |
Output is correct |
| 21 |
Correct |
1 ms |
340 KB |
Output is correct |
| 22 |
Correct |
1 ms |
340 KB |
Output is correct |
| 23 |
Correct |
1 ms |
340 KB |
Output is correct |
| 24 |
Correct |
1 ms |
292 KB |
Output is correct |
| 25 |
Correct |
1 ms |
340 KB |
Output is correct |
| 26 |
Correct |
1 ms |
212 KB |
Output is correct |
| 27 |
Correct |
1 ms |
340 KB |
Output is correct |
| 28 |
Correct |
1 ms |
292 KB |
Output is correct |
| 29 |
Correct |
1 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 |
1 ms |
292 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 |
1 ms |
340 KB |
Output is correct |
| 39 |
Correct |
1 ms |
340 KB |
Output is correct |
| 40 |
Correct |
1 ms |
340 KB |
Output is correct |
| 41 |
Correct |
1 ms |
292 KB |
Output is correct |
| 42 |
Correct |
1 ms |
268 KB |
Output is correct |
| 43 |
Correct |
1 ms |
292 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 |
288 KB |
Output is correct |
| 49 |
Correct |
1 ms |
340 KB |
Output is correct |
| 50 |
Correct |
0 ms |
340 KB |
Output is correct |
| 51 |
Correct |
1 ms |
352 KB |
Output is correct |
| 52 |
Correct |
0 ms |
340 KB |
Output is correct |
| 53 |
Correct |
1 ms |
296 KB |
Output is correct |
| 54 |
Correct |
1 ms |
340 KB |
Output is correct |
| 55 |
Correct |
7 ms |
9772 KB |
Output is correct |
| 56 |
Correct |
1 ms |
468 KB |
Output is correct |
| 57 |
Correct |
8 ms |
16096 KB |
Output is correct |
| 58 |
Correct |
27 ms |
19628 KB |
Output is correct |
| 59 |
Correct |
194 ms |
88328 KB |
Output is correct |
| 60 |
Correct |
178 ms |
88380 KB |
Output is correct |
| 61 |
Correct |
198 ms |
88316 KB |
Output is correct |
| 62 |
Correct |
0 ms |
340 KB |
Output is correct |
| 63 |
Correct |
174 ms |
88088 KB |
Output is correct |
| 64 |
Correct |
108 ms |
88380 KB |
Output is correct |
| 65 |
Correct |
104 ms |
88440 KB |
Output is correct |
| 66 |
Correct |
102 ms |
88408 KB |
Output is correct |
| 67 |
Correct |
107 ms |
33692 KB |
Output is correct |
| 68 |
Correct |
85 ms |
33816 KB |
Output is correct |
| 69 |
Correct |
101 ms |
43768 KB |
Output is correct |
| 70 |
Correct |
16 ms |
20004 KB |
Output is correct |
| 71 |
Correct |
17 ms |
19920 KB |
Output is correct |
| 72 |
Correct |
20 ms |
19924 KB |
Output is correct |
| 73 |
Correct |
17 ms |
19924 KB |
Output is correct |
| 74 |
Correct |
19 ms |
19892 KB |
Output is correct |
| 75 |
Correct |
19 ms |
19976 KB |
Output is correct |
| 76 |
Correct |
16 ms |
19936 KB |
Output is correct |
| 77 |
Correct |
17 ms |
19932 KB |
Output is correct |
| 78 |
Correct |
17 ms |
19912 KB |
Output is correct |
| 79 |
Correct |
17 ms |
19932 KB |
Output is correct |
| 80 |
Correct |
17 ms |
20008 KB |
Output is correct |
| 81 |
Correct |
18 ms |
19948 KB |
Output is correct |
| 82 |
Correct |
17 ms |
19904 KB |
Output is correct |
| 83 |
Correct |
17 ms |
19936 KB |
Output is correct |
| 84 |
Correct |
17 ms |
19936 KB |
Output is correct |
| 85 |
Correct |
17 ms |
20008 KB |
Output is correct |
| 86 |
Correct |
17 ms |
19924 KB |
Output is correct |
| 87 |
Correct |
17 ms |
19976 KB |
Output is correct |
| 88 |
Correct |
17 ms |
19928 KB |
Output is correct |
| 89 |
Correct |
17 ms |
20052 KB |
Output is correct |
| 90 |
Correct |
17 ms |
20016 KB |
Output is correct |
