#include<iostream>
#include<cstring>
using namespace std;
const int MAXN = 3005;
int n, m, a, b, sol;
char l[MAXN] [MAXN];
int dp[MAXN] [MAXN] [4];
bool ok (int x, int y, int d) {
if (d == 0) {
return l[x] [y] == 'R' && l[x+1] [y] == 'G' && l[x+2] [y] == 'W';
} else {
return l[x] [y] == 'R' && l[x] [y+1] == 'G' && l[x] [y+2] == 'W';
}
}
int f (int x, int y, int mask) {
if (l[x] [y] != 'R' || x < 0) return 0;
if (dp[x] [y] [mask] != -1) return dp[x] [y] [mask];
int res = 0;
res = max(res, f(x-1, y+1, (2*mask)%4));
res = max(res, f(x-2, y+2, 0));
if (ok(x, y, 0) && mask == 0) {
res = max(res, 1+f(x-1, y+1, 0));
res = max(res, 1+f(x-2, y+2, 0));
}
if (ok(x, y, 1)) {
res = max(res, 1+f(x-1, y+1, (mask*2 + 1)%4));
res = max(res, 1+f(x-2, y+2, 2));
}
dp[x] [y] [mask] = res;
return res;
}
int main () {
memset(dp, -1, sizeof dp);
cin >> n >> m;
for (int i=0; i<n; i++) {
for (int j=0; j<m; j++) {
cin >> l[i] [j];
}
}
for (int i=n-1; i>=0; i--) {
for (int j=m-1; j>=0; j--) {
if (dp[i] [j] [0] == -1) {
sol += f(i, j, 0);
}
}
}
cout << sol;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
140 ms |
141688 KB |
Output is correct |
2 |
Correct |
136 ms |
141924 KB |
Output is correct |
3 |
Correct |
129 ms |
141924 KB |
Output is correct |
4 |
Correct |
120 ms |
141924 KB |
Output is correct |
5 |
Correct |
124 ms |
141924 KB |
Output is correct |
6 |
Correct |
115 ms |
141948 KB |
Output is correct |
7 |
Correct |
116 ms |
142188 KB |
Output is correct |
8 |
Correct |
120 ms |
142188 KB |
Output is correct |
9 |
Correct |
111 ms |
142188 KB |
Output is correct |
10 |
Correct |
118 ms |
142188 KB |
Output is correct |
11 |
Correct |
133 ms |
142188 KB |
Output is correct |
12 |
Correct |
111 ms |
142188 KB |
Output is correct |
13 |
Correct |
134 ms |
142188 KB |
Output is correct |
14 |
Correct |
135 ms |
142188 KB |
Output is correct |
15 |
Correct |
120 ms |
142188 KB |
Output is correct |
16 |
Correct |
123 ms |
142188 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
140 ms |
141688 KB |
Output is correct |
2 |
Correct |
136 ms |
141924 KB |
Output is correct |
3 |
Correct |
129 ms |
141924 KB |
Output is correct |
4 |
Correct |
120 ms |
141924 KB |
Output is correct |
5 |
Correct |
124 ms |
141924 KB |
Output is correct |
6 |
Correct |
115 ms |
141948 KB |
Output is correct |
7 |
Correct |
116 ms |
142188 KB |
Output is correct |
8 |
Correct |
120 ms |
142188 KB |
Output is correct |
9 |
Correct |
111 ms |
142188 KB |
Output is correct |
10 |
Correct |
118 ms |
142188 KB |
Output is correct |
11 |
Correct |
133 ms |
142188 KB |
Output is correct |
12 |
Correct |
111 ms |
142188 KB |
Output is correct |
13 |
Correct |
134 ms |
142188 KB |
Output is correct |
14 |
Correct |
135 ms |
142188 KB |
Output is correct |
15 |
Correct |
120 ms |
142188 KB |
Output is correct |
16 |
Correct |
123 ms |
142188 KB |
Output is correct |
17 |
Correct |
114 ms |
142188 KB |
Output is correct |
18 |
Correct |
134 ms |
142188 KB |
Output is correct |
19 |
Correct |
117 ms |
142188 KB |
Output is correct |
20 |
Correct |
125 ms |
142188 KB |
Output is correct |
21 |
Correct |
113 ms |
142188 KB |
Output is correct |
22 |
Correct |
129 ms |
142188 KB |
Output is correct |
23 |
Correct |
123 ms |
142188 KB |
Output is correct |
24 |
Correct |
123 ms |
142188 KB |
Output is correct |
25 |
Correct |
130 ms |
142188 KB |
Output is correct |
26 |
Correct |
122 ms |
142188 KB |
Output is correct |
27 |
Correct |
127 ms |
142188 KB |
Output is correct |
28 |
Correct |
121 ms |
142188 KB |
Output is correct |
29 |
Correct |
131 ms |
142188 KB |
Output is correct |
30 |
Correct |
134 ms |
142188 KB |
Output is correct |
31 |
Correct |
129 ms |
142188 KB |
Output is correct |
32 |
Correct |
134 ms |
142188 KB |
Output is correct |
33 |
Correct |
148 ms |
142188 KB |
Output is correct |
34 |
Correct |
128 ms |
142188 KB |
Output is correct |
35 |
Correct |
114 ms |
142188 KB |
Output is correct |
36 |
Correct |
118 ms |
142188 KB |
Output is correct |
37 |
Correct |
110 ms |
142188 KB |
Output is correct |
38 |
Correct |
108 ms |
142188 KB |
Output is correct |
39 |
Correct |
112 ms |
142188 KB |
Output is correct |
40 |
Correct |
131 ms |
142188 KB |
Output is correct |
41 |
Correct |
134 ms |
142188 KB |
Output is correct |
42 |
Correct |
128 ms |
142188 KB |
Output is correct |
43 |
Correct |
130 ms |
142188 KB |
Output is correct |
44 |
Correct |
132 ms |
142188 KB |
Output is correct |
45 |
Correct |
133 ms |
142188 KB |
Output is correct |
46 |
Correct |
122 ms |
142188 KB |
Output is correct |
47 |
Correct |
133 ms |
142188 KB |
Output is correct |
48 |
Correct |
132 ms |
142188 KB |
Output is correct |
49 |
Correct |
138 ms |
142196 KB |
Output is correct |
50 |
Correct |
132 ms |
142196 KB |
Output is correct |
51 |
Correct |
135 ms |
142324 KB |
Output is correct |
52 |
Correct |
131 ms |
142324 KB |
Output is correct |
53 |
Correct |
119 ms |
142324 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
140 ms |
141688 KB |
Output is correct |
2 |
Correct |
136 ms |
141924 KB |
Output is correct |
3 |
Correct |
129 ms |
141924 KB |
Output is correct |
4 |
Correct |
120 ms |
141924 KB |
Output is correct |
5 |
Correct |
124 ms |
141924 KB |
Output is correct |
6 |
Correct |
115 ms |
141948 KB |
Output is correct |
7 |
Correct |
116 ms |
142188 KB |
Output is correct |
8 |
Correct |
120 ms |
142188 KB |
Output is correct |
9 |
Correct |
111 ms |
142188 KB |
Output is correct |
10 |
Correct |
118 ms |
142188 KB |
Output is correct |
11 |
Correct |
133 ms |
142188 KB |
Output is correct |
12 |
Correct |
111 ms |
142188 KB |
Output is correct |
13 |
Correct |
134 ms |
142188 KB |
Output is correct |
14 |
Correct |
135 ms |
142188 KB |
Output is correct |
15 |
Correct |
120 ms |
142188 KB |
Output is correct |
16 |
Correct |
123 ms |
142188 KB |
Output is correct |
17 |
Correct |
114 ms |
142188 KB |
Output is correct |
18 |
Correct |
134 ms |
142188 KB |
Output is correct |
19 |
Correct |
117 ms |
142188 KB |
Output is correct |
20 |
Correct |
125 ms |
142188 KB |
Output is correct |
21 |
Correct |
113 ms |
142188 KB |
Output is correct |
22 |
Correct |
129 ms |
142188 KB |
Output is correct |
23 |
Correct |
123 ms |
142188 KB |
Output is correct |
24 |
Correct |
123 ms |
142188 KB |
Output is correct |
25 |
Correct |
130 ms |
142188 KB |
Output is correct |
26 |
Correct |
122 ms |
142188 KB |
Output is correct |
27 |
Correct |
127 ms |
142188 KB |
Output is correct |
28 |
Correct |
121 ms |
142188 KB |
Output is correct |
29 |
Correct |
131 ms |
142188 KB |
Output is correct |
30 |
Correct |
134 ms |
142188 KB |
Output is correct |
31 |
Correct |
129 ms |
142188 KB |
Output is correct |
32 |
Correct |
134 ms |
142188 KB |
Output is correct |
33 |
Correct |
148 ms |
142188 KB |
Output is correct |
34 |
Correct |
128 ms |
142188 KB |
Output is correct |
35 |
Correct |
114 ms |
142188 KB |
Output is correct |
36 |
Correct |
118 ms |
142188 KB |
Output is correct |
37 |
Correct |
110 ms |
142188 KB |
Output is correct |
38 |
Correct |
108 ms |
142188 KB |
Output is correct |
39 |
Correct |
112 ms |
142188 KB |
Output is correct |
40 |
Correct |
131 ms |
142188 KB |
Output is correct |
41 |
Correct |
134 ms |
142188 KB |
Output is correct |
42 |
Correct |
128 ms |
142188 KB |
Output is correct |
43 |
Correct |
130 ms |
142188 KB |
Output is correct |
44 |
Correct |
132 ms |
142188 KB |
Output is correct |
45 |
Correct |
133 ms |
142188 KB |
Output is correct |
46 |
Correct |
122 ms |
142188 KB |
Output is correct |
47 |
Correct |
133 ms |
142188 KB |
Output is correct |
48 |
Correct |
132 ms |
142188 KB |
Output is correct |
49 |
Correct |
138 ms |
142196 KB |
Output is correct |
50 |
Correct |
132 ms |
142196 KB |
Output is correct |
51 |
Correct |
135 ms |
142324 KB |
Output is correct |
52 |
Correct |
131 ms |
142324 KB |
Output is correct |
53 |
Correct |
119 ms |
142324 KB |
Output is correct |
54 |
Correct |
138 ms |
142324 KB |
Output is correct |
55 |
Correct |
132 ms |
150988 KB |
Output is correct |
56 |
Correct |
130 ms |
150988 KB |
Output is correct |
57 |
Correct |
122 ms |
150988 KB |
Output is correct |
58 |
Correct |
210 ms |
150988 KB |
Output is correct |
59 |
Correct |
1203 ms |
161044 KB |
Output is correct |
60 |
Correct |
1202 ms |
169792 KB |
Output is correct |
61 |
Correct |
1215 ms |
178644 KB |
Output is correct |
62 |
Correct |
110 ms |
178644 KB |
Output is correct |
63 |
Correct |
1380 ms |
187180 KB |
Output is correct |
64 |
Correct |
1676 ms |
196184 KB |
Output is correct |
65 |
Correct |
1701 ms |
205008 KB |
Output is correct |
66 |
Correct |
1746 ms |
213876 KB |
Output is correct |
67 |
Correct |
999 ms |
222344 KB |
Output is correct |
68 |
Correct |
864 ms |
231216 KB |
Output is correct |
69 |
Correct |
1129 ms |
239900 KB |
Output is correct |
70 |
Correct |
269 ms |
239900 KB |
Output is correct |
71 |
Correct |
260 ms |
239900 KB |
Output is correct |
72 |
Correct |
325 ms |
239900 KB |
Output is correct |
73 |
Correct |
276 ms |
239900 KB |
Output is correct |
74 |
Correct |
280 ms |
239900 KB |
Output is correct |
75 |
Correct |
289 ms |
240056 KB |
Output is correct |
76 |
Correct |
330 ms |
241092 KB |
Output is correct |
77 |
Correct |
292 ms |
241888 KB |
Output is correct |
78 |
Correct |
255 ms |
243024 KB |
Output is correct |
79 |
Correct |
278 ms |
243940 KB |
Output is correct |
80 |
Correct |
283 ms |
244864 KB |
Output is correct |
81 |
Correct |
276 ms |
245964 KB |
Output is correct |
82 |
Correct |
248 ms |
246828 KB |
Output is correct |
83 |
Correct |
233 ms |
247896 KB |
Output is correct |
84 |
Correct |
252 ms |
248876 KB |
Output is correct |
85 |
Correct |
245 ms |
249856 KB |
Output is correct |
86 |
Correct |
300 ms |
250836 KB |
Output is correct |
87 |
Correct |
254 ms |
251816 KB |
Output is correct |
88 |
Correct |
271 ms |
252792 KB |
Output is correct |
89 |
Correct |
236 ms |
253716 KB |
Output is correct |
90 |
Correct |
251 ms |
254756 KB |
Output is correct |