#include <bits/stdc++.h>
#define pii pair<int, int>
#define mp make_pair
#define F first
#define S second
#define FOR(i, u, v) for (int i = u; i <= v; i++)
#define FORD(i, v, u) for (int i = v; i >= u; i--)
#define N 3005
using namespace std;
int n, m, dp[N][3], dd[N][N][3], cur;
char c[N][N];
pii a[N];
int solve()
{
FOR(i, 0, cur)
FOR(j, 0, 2) dp[i][j] = 0;
int ans = 0;
FOR(i, 1, cur)
{
dp[i][0] = max({dp[i-1][0], dp[i-1][1], dp[i-1][2]});
if (dd[a[i].F][a[i].S][1])
dp[i][1] = max(dp[i-1][0], dp[i-1][1]) + 1;
if (dd[a[i].F][a[i].S][2])
dp[i][2] = max(dp[i-1][0], dp[i-1][2]) + 1;
ans = max({ans, dp[i][0], dp[i][1], dp[i][2]});
}
return ans;
}
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
//freopen("INP.TXT", "r", stdin);
cin >> n >> m;
FOR(i, 1, n)
FOR(j, 1, m) cin >> c[i][j];
FOR(i, 1, n)
FOR(j, 1, m)
{
if (c[i][j-1] == 'R' && c[i][j] == 'G' && c[i][j+1] == 'W')
dd[i][j][1] = 1;
if (c[i-1][j] == 'R' && c[i][j] == 'G' && c[i+1][j] == 'W')
dd[i][j][2] = 1;
}
int res = 0;
FOR(i, 2, n+m)
{
cur = 0;
FOR(j, 1, n)
if (i - j > 0 && i - j <= m) a[++cur] = mp(j, i-j);
res += solve();
}
cout <<res;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
480 KB |
Output is correct |
4 |
Correct |
2 ms |
480 KB |
Output is correct |
5 |
Correct |
2 ms |
488 KB |
Output is correct |
6 |
Correct |
2 ms |
532 KB |
Output is correct |
7 |
Correct |
2 ms |
612 KB |
Output is correct |
8 |
Correct |
2 ms |
612 KB |
Output is correct |
9 |
Correct |
2 ms |
652 KB |
Output is correct |
10 |
Correct |
2 ms |
652 KB |
Output is correct |
11 |
Correct |
2 ms |
652 KB |
Output is correct |
12 |
Correct |
3 ms |
704 KB |
Output is correct |
13 |
Correct |
2 ms |
704 KB |
Output is correct |
14 |
Correct |
2 ms |
736 KB |
Output is correct |
15 |
Correct |
2 ms |
844 KB |
Output is correct |
16 |
Correct |
2 ms |
844 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
480 KB |
Output is correct |
4 |
Correct |
2 ms |
480 KB |
Output is correct |
5 |
Correct |
2 ms |
488 KB |
Output is correct |
6 |
Correct |
2 ms |
532 KB |
Output is correct |
7 |
Correct |
2 ms |
612 KB |
Output is correct |
8 |
Correct |
2 ms |
612 KB |
Output is correct |
9 |
Correct |
2 ms |
652 KB |
Output is correct |
10 |
Correct |
2 ms |
652 KB |
Output is correct |
11 |
Correct |
2 ms |
652 KB |
Output is correct |
12 |
Correct |
3 ms |
704 KB |
Output is correct |
13 |
Correct |
2 ms |
704 KB |
Output is correct |
14 |
Correct |
2 ms |
736 KB |
Output is correct |
15 |
Correct |
2 ms |
844 KB |
Output is correct |
16 |
Correct |
2 ms |
844 KB |
Output is correct |
17 |
Correct |
2 ms |
844 KB |
Output is correct |
18 |
Correct |
2 ms |
844 KB |
Output is correct |
19 |
Correct |
2 ms |
844 KB |
Output is correct |
20 |
Correct |
2 ms |
844 KB |
Output is correct |
21 |
Correct |
2 ms |
844 KB |
Output is correct |
22 |
Correct |
2 ms |
844 KB |
Output is correct |
23 |
Correct |
2 ms |
844 KB |
Output is correct |
24 |
Correct |
2 ms |
844 KB |
Output is correct |
25 |
Correct |
2 ms |
844 KB |
Output is correct |
26 |
Correct |
2 ms |
844 KB |
Output is correct |
27 |
Correct |
2 ms |
844 KB |
Output is correct |
28 |
Correct |
2 ms |
844 KB |
Output is correct |
29 |
Correct |
2 ms |
844 KB |
Output is correct |
30 |
Correct |
2 ms |
844 KB |
Output is correct |
31 |
Correct |
2 ms |
848 KB |
Output is correct |
32 |
Correct |
2 ms |
852 KB |
Output is correct |
33 |
Correct |
2 ms |
856 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
864 KB |
Output is correct |
36 |
Correct |
2 ms |
996 KB |
Output is correct |
37 |
Correct |
2 ms |
996 KB |
Output is correct |
38 |
Correct |
2 ms |
996 KB |
Output is correct |
39 |
Correct |
2 ms |
996 KB |
Output is correct |
40 |
Correct |
2 ms |
996 KB |
Output is correct |
41 |
Correct |
2 ms |
996 KB |
Output is correct |
42 |
Correct |
3 ms |
996 KB |
Output is correct |
43 |
Correct |
2 ms |
996 KB |
Output is correct |
44 |
Correct |
2 ms |
996 KB |
Output is correct |
45 |
Correct |
2 ms |
996 KB |
Output is correct |
46 |
Correct |
2 ms |
996 KB |
Output is correct |
47 |
Correct |
3 ms |
996 KB |
Output is correct |
48 |
Correct |
2 ms |
996 KB |
Output is correct |
49 |
Correct |
3 ms |
996 KB |
Output is correct |
50 |
Correct |
2 ms |
996 KB |
Output is correct |
51 |
Correct |
3 ms |
1056 KB |
Output is correct |
52 |
Correct |
2 ms |
1056 KB |
Output is correct |
53 |
Correct |
2 ms |
1056 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
3 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
384 KB |
Output is correct |
3 |
Correct |
2 ms |
480 KB |
Output is correct |
4 |
Correct |
2 ms |
480 KB |
Output is correct |
5 |
Correct |
2 ms |
488 KB |
Output is correct |
6 |
Correct |
2 ms |
532 KB |
Output is correct |
7 |
Correct |
2 ms |
612 KB |
Output is correct |
8 |
Correct |
2 ms |
612 KB |
Output is correct |
9 |
Correct |
2 ms |
652 KB |
Output is correct |
10 |
Correct |
2 ms |
652 KB |
Output is correct |
11 |
Correct |
2 ms |
652 KB |
Output is correct |
12 |
Correct |
3 ms |
704 KB |
Output is correct |
13 |
Correct |
2 ms |
704 KB |
Output is correct |
14 |
Correct |
2 ms |
736 KB |
Output is correct |
15 |
Correct |
2 ms |
844 KB |
Output is correct |
16 |
Correct |
2 ms |
844 KB |
Output is correct |
17 |
Correct |
2 ms |
844 KB |
Output is correct |
18 |
Correct |
2 ms |
844 KB |
Output is correct |
19 |
Correct |
2 ms |
844 KB |
Output is correct |
20 |
Correct |
2 ms |
844 KB |
Output is correct |
21 |
Correct |
2 ms |
844 KB |
Output is correct |
22 |
Correct |
2 ms |
844 KB |
Output is correct |
23 |
Correct |
2 ms |
844 KB |
Output is correct |
24 |
Correct |
2 ms |
844 KB |
Output is correct |
25 |
Correct |
2 ms |
844 KB |
Output is correct |
26 |
Correct |
2 ms |
844 KB |
Output is correct |
27 |
Correct |
2 ms |
844 KB |
Output is correct |
28 |
Correct |
2 ms |
844 KB |
Output is correct |
29 |
Correct |
2 ms |
844 KB |
Output is correct |
30 |
Correct |
2 ms |
844 KB |
Output is correct |
31 |
Correct |
2 ms |
848 KB |
Output is correct |
32 |
Correct |
2 ms |
852 KB |
Output is correct |
33 |
Correct |
2 ms |
856 KB |
Output is correct |
34 |
Correct |
2 ms |
860 KB |
Output is correct |
35 |
Correct |
2 ms |
864 KB |
Output is correct |
36 |
Correct |
2 ms |
996 KB |
Output is correct |
37 |
Correct |
2 ms |
996 KB |
Output is correct |
38 |
Correct |
2 ms |
996 KB |
Output is correct |
39 |
Correct |
2 ms |
996 KB |
Output is correct |
40 |
Correct |
2 ms |
996 KB |
Output is correct |
41 |
Correct |
2 ms |
996 KB |
Output is correct |
42 |
Correct |
3 ms |
996 KB |
Output is correct |
43 |
Correct |
2 ms |
996 KB |
Output is correct |
44 |
Correct |
2 ms |
996 KB |
Output is correct |
45 |
Correct |
2 ms |
996 KB |
Output is correct |
46 |
Correct |
2 ms |
996 KB |
Output is correct |
47 |
Correct |
3 ms |
996 KB |
Output is correct |
48 |
Correct |
2 ms |
996 KB |
Output is correct |
49 |
Correct |
3 ms |
996 KB |
Output is correct |
50 |
Correct |
2 ms |
996 KB |
Output is correct |
51 |
Correct |
3 ms |
1056 KB |
Output is correct |
52 |
Correct |
2 ms |
1056 KB |
Output is correct |
53 |
Correct |
2 ms |
1056 KB |
Output is correct |
54 |
Correct |
2 ms |
1056 KB |
Output is correct |
55 |
Correct |
23 ms |
10292 KB |
Output is correct |
56 |
Correct |
3 ms |
10292 KB |
Output is correct |
57 |
Correct |
21 ms |
14044 KB |
Output is correct |
58 |
Correct |
67 ms |
20592 KB |
Output is correct |
59 |
Correct |
523 ms |
125536 KB |
Output is correct |
60 |
Correct |
527 ms |
134592 KB |
Output is correct |
61 |
Correct |
508 ms |
143276 KB |
Output is correct |
62 |
Correct |
2 ms |
143276 KB |
Output is correct |
63 |
Correct |
527 ms |
151856 KB |
Output is correct |
64 |
Correct |
451 ms |
160504 KB |
Output is correct |
65 |
Correct |
435 ms |
169376 KB |
Output is correct |
66 |
Correct |
445 ms |
178344 KB |
Output is correct |
67 |
Correct |
366 ms |
178344 KB |
Output is correct |
68 |
Correct |
387 ms |
178344 KB |
Output is correct |
69 |
Correct |
408 ms |
178344 KB |
Output is correct |
70 |
Correct |
57 ms |
178344 KB |
Output is correct |
71 |
Correct |
58 ms |
178344 KB |
Output is correct |
72 |
Correct |
56 ms |
178344 KB |
Output is correct |
73 |
Correct |
50 ms |
178344 KB |
Output is correct |
74 |
Correct |
58 ms |
178344 KB |
Output is correct |
75 |
Correct |
57 ms |
178344 KB |
Output is correct |
76 |
Correct |
51 ms |
178344 KB |
Output is correct |
77 |
Correct |
50 ms |
178344 KB |
Output is correct |
78 |
Correct |
51 ms |
178344 KB |
Output is correct |
79 |
Correct |
51 ms |
178344 KB |
Output is correct |
80 |
Correct |
58 ms |
178344 KB |
Output is correct |
81 |
Correct |
57 ms |
178344 KB |
Output is correct |
82 |
Correct |
51 ms |
178344 KB |
Output is correct |
83 |
Correct |
50 ms |
178344 KB |
Output is correct |
84 |
Correct |
50 ms |
178344 KB |
Output is correct |
85 |
Correct |
51 ms |
178344 KB |
Output is correct |
86 |
Correct |
49 ms |
178344 KB |
Output is correct |
87 |
Correct |
50 ms |
178344 KB |
Output is correct |
88 |
Correct |
49 ms |
178344 KB |
Output is correct |
89 |
Correct |
50 ms |
178344 KB |
Output is correct |
90 |
Correct |
47 ms |
178344 KB |
Output is correct |