#include <bits/stdc++.h>
using namespace std;
#define all(v) v.beign(), v.end()
typedef long long ll;
const int NMAX = 3005;
int n, m, ans, dp[NMAX][3], x, y;
string s[NMAX];
int main(void){
ios::sync_with_stdio(0); cin.tie(0); cout.tie(0);
cin >> n >> m;
for(int i = 0; i < n; i++) cin >> s[i];
for(int i = 0; i < n + m - 1; i++){
for(int j = 0; j < m; j++)
for(int k = 0; k < 3; k++) dp[j][k] = 0;
if(i < n) y = i, x = 0;
else y = n - 1, x = i - n + 1;
while(y >= 0 && x < m){
if(x) dp[x][0] = max({dp[x - 1][0], dp[x - 1][1], dp[x - 1][2]});
if(s[y][x] == 'G'){
if(x && x + 1 < m && s[y][x - 1] == 'R' && s[y][x + 1] == 'W') dp[x][1] = max(dp[x - 1][0], dp[x - 1][1]) + 1;
if(y && y + 1 < n && s[y - 1][x] == 'R' && s[y + 1][x] == 'W') {
if(!x) dp[x][2] = 1;
else dp[x][2] = max(dp[x - 1][0], dp[x - 1][2]) + 1;
}
}
x++; y--;
}
x--;
ans += max({dp[x][0], dp[x][1], dp[x][2]});
}
cout << ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
412 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
416 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 |
416 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
412 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
416 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 |
416 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 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 |
0 ms |
412 KB |
Output is correct |
21 |
Correct |
1 ms |
416 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
0 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
420 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
412 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
0 ms |
416 KB |
Output is correct |
40 |
Correct |
1 ms |
416 KB |
Output is correct |
41 |
Correct |
1 ms |
412 KB |
Output is correct |
42 |
Correct |
1 ms |
420 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 |
416 KB |
Output is correct |
47 |
Correct |
0 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
416 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
1 ms |
340 KB |
Output is correct |
2 |
Correct |
1 ms |
340 KB |
Output is correct |
3 |
Correct |
1 ms |
340 KB |
Output is correct |
4 |
Correct |
0 ms |
340 KB |
Output is correct |
5 |
Correct |
1 ms |
412 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
1 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
416 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 |
416 KB |
Output is correct |
13 |
Correct |
1 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
1 ms |
340 KB |
Output is correct |
16 |
Correct |
1 ms |
340 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 |
0 ms |
412 KB |
Output is correct |
21 |
Correct |
1 ms |
416 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
0 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
420 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
0 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
340 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
412 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
38 |
Correct |
1 ms |
340 KB |
Output is correct |
39 |
Correct |
0 ms |
416 KB |
Output is correct |
40 |
Correct |
1 ms |
416 KB |
Output is correct |
41 |
Correct |
1 ms |
412 KB |
Output is correct |
42 |
Correct |
1 ms |
420 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 |
416 KB |
Output is correct |
47 |
Correct |
0 ms |
340 KB |
Output is correct |
48 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
416 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
9 ms |
340 KB |
Output is correct |
55 |
Correct |
1 ms |
340 KB |
Output is correct |
56 |
Correct |
9 ms |
468 KB |
Output is correct |
57 |
Correct |
1 ms |
340 KB |
Output is correct |
58 |
Correct |
13 ms |
2460 KB |
Output is correct |
59 |
Correct |
128 ms |
19012 KB |
Output is correct |
60 |
Correct |
125 ms |
18932 KB |
Output is correct |
61 |
Correct |
120 ms |
18952 KB |
Output is correct |
62 |
Correct |
8 ms |
460 KB |
Output is correct |
63 |
Correct |
114 ms |
18200 KB |
Output is correct |
64 |
Correct |
77 ms |
18948 KB |
Output is correct |
65 |
Correct |
84 ms |
18848 KB |
Output is correct |
66 |
Correct |
94 ms |
18952 KB |
Output is correct |
67 |
Correct |
83 ms |
18948 KB |
Output is correct |
68 |
Correct |
74 ms |
18956 KB |
Output is correct |
69 |
Correct |
79 ms |
18948 KB |
Output is correct |
70 |
Correct |
9 ms |
2356 KB |
Output is correct |
71 |
Correct |
9 ms |
2472 KB |
Output is correct |
72 |
Correct |
9 ms |
2356 KB |
Output is correct |
73 |
Correct |
9 ms |
2388 KB |
Output is correct |
74 |
Correct |
9 ms |
2476 KB |
Output is correct |
75 |
Correct |
9 ms |
2432 KB |
Output is correct |
76 |
Correct |
9 ms |
2388 KB |
Output is correct |
77 |
Correct |
9 ms |
2348 KB |
Output is correct |
78 |
Correct |
9 ms |
2460 KB |
Output is correct |
79 |
Correct |
9 ms |
2360 KB |
Output is correct |
80 |
Correct |
9 ms |
2344 KB |
Output is correct |
81 |
Correct |
9 ms |
2476 KB |
Output is correct |
82 |
Correct |
9 ms |
2388 KB |
Output is correct |
83 |
Correct |
9 ms |
2388 KB |
Output is correct |
84 |
Correct |
10 ms |
2388 KB |
Output is correct |
85 |
Correct |
9 ms |
2464 KB |
Output is correct |
86 |
Correct |
10 ms |
2388 KB |
Output is correct |
87 |
Correct |
9 ms |
2464 KB |
Output is correct |
88 |
Correct |
9 ms |
2432 KB |
Output is correct |
89 |
Correct |
9 ms |
2388 KB |
Output is correct |
90 |
Correct |
9 ms |
2356 KB |
Output is correct |