#include <bits/stdc++.h>
using namespace std;
typedef long long int ll;
typedef pair<int, int> pii;
#define SZ(x) (int) x.size()
#define F first
#define S second
const int N = 3e3 + 10, MOD = 1e9 + 7;
int n, m, dp[2][N], R = 0;
char S[N][N];
int pain(int i, int j) {
return (S[i][j] == 'R' && S[i + 1][j] == 'G' && S[i + 2][j] == 'W' && i + 2 <= n);
}
int rast(int i, int j) {
return (S[i][j] == 'R' && S[i][j + 1] == 'G' && S[i][j + 2] == 'W' && j + 2 <= m);
}
int main() {
scanf("%d%d", &n, &m);
for (int i = 1; i <= n; i++) {
scanf("%s", S[i] + 1);
}
for (int _ = 2; _ <= n + m; _++) {
fill(dp[0], dp[0] + N, 0); int res = 0;
fill(dp[1], dp[1] + N, 0);
for (int i = 1, j; i <= n && i <= _ - 1; i++) {
j = _ - i;
if (j > m) continue;
if (i >= 2) dp[0][i] = max(dp[0][i - 1], dp[1][i - 2]);
dp[1][i] = dp[1][i - 1];
if (pain(i, j)) dp[1][i] = max({dp[1][i], dp[0][i - 1] + 1, dp[1][i - 1] + 1});
if (rast(i, j)) dp[0][i] = max(dp[0][i], dp[0][i - 1] + 1);
res = max({res, dp[0][i], dp[1][i]});
}
R += res;
}
printf("%d\n", R);
return 0;
}
Compilation message
dango_maker.cpp: In function 'int main()':
dango_maker.cpp:25:7: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
25 | scanf("%d%d", &n, &m);
| ~~~~~^~~~~~~~~~~~~~~~
dango_maker.cpp:27:8: warning: ignoring return value of 'int scanf(const char*, ...)', declared with attribute warn_unused_result [-Wunused-result]
27 | scanf("%s", S[i] + 1);
| ~~~~~^~~~~~~~~~~~~~~~
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
236 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
380 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
364 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
364 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
364 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
364 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| 36 |
Correct |
1 ms |
364 KB |
Output is correct |
| 37 |
Correct |
1 ms |
364 KB |
Output is correct |
| 38 |
Correct |
1 ms |
364 KB |
Output is correct |
| 39 |
Correct |
1 ms |
364 KB |
Output is correct |
| 40 |
Correct |
1 ms |
364 KB |
Output is correct |
| 41 |
Correct |
1 ms |
364 KB |
Output is correct |
| 42 |
Correct |
1 ms |
364 KB |
Output is correct |
| 43 |
Correct |
1 ms |
364 KB |
Output is correct |
| 44 |
Correct |
1 ms |
364 KB |
Output is correct |
| 45 |
Correct |
1 ms |
364 KB |
Output is correct |
| 46 |
Correct |
1 ms |
364 KB |
Output is correct |
| 47 |
Correct |
1 ms |
364 KB |
Output is correct |
| 48 |
Correct |
1 ms |
364 KB |
Output is correct |
| 49 |
Correct |
1 ms |
364 KB |
Output is correct |
| 50 |
Correct |
32 ms |
364 KB |
Output is correct |
| 51 |
Correct |
1 ms |
364 KB |
Output is correct |
| 52 |
Correct |
37 ms |
364 KB |
Output is correct |
| 53 |
Correct |
1 ms |
364 KB |
Output is correct |
| # |
결과 |
실행 시간 |
메모리 |
Grader output |
| 1 |
Correct |
1 ms |
364 KB |
Output is correct |
| 2 |
Correct |
1 ms |
364 KB |
Output is correct |
| 3 |
Correct |
1 ms |
364 KB |
Output is correct |
| 4 |
Correct |
1 ms |
364 KB |
Output is correct |
| 5 |
Correct |
1 ms |
364 KB |
Output is correct |
| 6 |
Correct |
1 ms |
364 KB |
Output is correct |
| 7 |
Correct |
1 ms |
364 KB |
Output is correct |
| 8 |
Correct |
1 ms |
364 KB |
Output is correct |
| 9 |
Correct |
1 ms |
364 KB |
Output is correct |
| 10 |
Correct |
1 ms |
364 KB |
Output is correct |
| 11 |
Correct |
1 ms |
364 KB |
Output is correct |
| 12 |
Correct |
1 ms |
364 KB |
Output is correct |
| 13 |
Correct |
1 ms |
364 KB |
Output is correct |
| 14 |
Correct |
1 ms |
364 KB |
Output is correct |
| 15 |
Correct |
1 ms |
364 KB |
Output is correct |
| 16 |
Correct |
1 ms |
364 KB |
Output is correct |
| 17 |
Correct |
1 ms |
364 KB |
Output is correct |
| 18 |
Correct |
1 ms |
236 KB |
Output is correct |
| 19 |
Correct |
1 ms |
364 KB |
Output is correct |
| 20 |
Correct |
1 ms |
364 KB |
Output is correct |
| 21 |
Correct |
1 ms |
364 KB |
Output is correct |
| 22 |
Correct |
1 ms |
364 KB |
Output is correct |
| 23 |
Correct |
1 ms |
364 KB |
Output is correct |
| 24 |
Correct |
1 ms |
380 KB |
Output is correct |
| 25 |
Correct |
1 ms |
364 KB |
Output is correct |
| 26 |
Correct |
1 ms |
364 KB |
Output is correct |
| 27 |
Correct |
1 ms |
364 KB |
Output is correct |
| 28 |
Correct |
1 ms |
364 KB |
Output is correct |
| 29 |
Correct |
1 ms |
364 KB |
Output is correct |
| 30 |
Correct |
1 ms |
364 KB |
Output is correct |
| 31 |
Correct |
1 ms |
364 KB |
Output is correct |
| 32 |
Correct |
1 ms |
364 KB |
Output is correct |
| 33 |
Correct |
1 ms |
364 KB |
Output is correct |
| 34 |
Correct |
1 ms |
364 KB |
Output is correct |
| 35 |
Correct |
1 ms |
364 KB |
Output is correct |
| 36 |
Correct |
1 ms |
364 KB |
Output is correct |
| 37 |
Correct |
1 ms |
364 KB |
Output is correct |
| 38 |
Correct |
1 ms |
364 KB |
Output is correct |
| 39 |
Correct |
1 ms |
364 KB |
Output is correct |
| 40 |
Correct |
1 ms |
364 KB |
Output is correct |
| 41 |
Correct |
1 ms |
364 KB |
Output is correct |
| 42 |
Correct |
1 ms |
364 KB |
Output is correct |
| 43 |
Correct |
1 ms |
364 KB |
Output is correct |
| 44 |
Correct |
1 ms |
364 KB |
Output is correct |
| 45 |
Correct |
1 ms |
364 KB |
Output is correct |
| 46 |
Correct |
1 ms |
364 KB |
Output is correct |
| 47 |
Correct |
1 ms |
364 KB |
Output is correct |
| 48 |
Correct |
1 ms |
364 KB |
Output is correct |
| 49 |
Correct |
1 ms |
364 KB |
Output is correct |
| 50 |
Correct |
32 ms |
364 KB |
Output is correct |
| 51 |
Correct |
1 ms |
364 KB |
Output is correct |
| 52 |
Correct |
37 ms |
364 KB |
Output is correct |
| 53 |
Correct |
1 ms |
364 KB |
Output is correct |
| 54 |
Correct |
22 ms |
364 KB |
Output is correct |
| 55 |
Correct |
24 ms |
9196 KB |
Output is correct |
| 56 |
Correct |
15 ms |
384 KB |
Output is correct |
| 57 |
Correct |
15 ms |
6272 KB |
Output is correct |
| 58 |
Correct |
27 ms |
4332 KB |
Output is correct |
| 59 |
Correct |
189 ms |
18028 KB |
Output is correct |
| 60 |
Correct |
189 ms |
18032 KB |
Output is correct |
| 61 |
Correct |
192 ms |
18028 KB |
Output is correct |
| 62 |
Correct |
14 ms |
508 KB |
Output is correct |
| 63 |
Correct |
184 ms |
17644 KB |
Output is correct |
| 64 |
Correct |
156 ms |
18028 KB |
Output is correct |
| 65 |
Correct |
145 ms |
18156 KB |
Output is correct |
| 66 |
Correct |
147 ms |
18028 KB |
Output is correct |
| 67 |
Correct |
153 ms |
18156 KB |
Output is correct |
| 68 |
Correct |
145 ms |
18044 KB |
Output is correct |
| 69 |
Correct |
157 ms |
18028 KB |
Output is correct |
| 70 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 71 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 72 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 73 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 74 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 75 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 76 |
Correct |
21 ms |
4332 KB |
Output is correct |
| 77 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 78 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 79 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 80 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 81 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 82 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 83 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 84 |
Correct |
21 ms |
4332 KB |
Output is correct |
| 85 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 86 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 87 |
Correct |
25 ms |
4332 KB |
Output is correct |
| 88 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 89 |
Correct |
22 ms |
4332 KB |
Output is correct |
| 90 |
Correct |
22 ms |
4332 KB |
Output is correct |
