#include <bits/stdc++.h>
#define ll long long
#define pii pair<ll, ll>
#define st first
#define nd second
#define file "test"
#define rep(i, begin, end) for (ll i = (begin); i <= (end); i ++)
#define rrep(i, begin, end) for (ll i = (begin); i >= (end); i --)
using namespace std;
const long long INF = 1e18;
const long long N = 2e5 + 5;
ll dp[N][3], n, m, ans;
char a[3005][3005];
bool check(char a, char b, char c) {
return a == 'R' && b == 'G' && c == 'W';
}
int main()
{
ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0);
#ifndef ONLINE_JUDGE
//freopen(file".inp", "r", stdin); freopen(file".out", "w", stdout);
#endif
cin >> n >> m;
rep(i, 1, n) rep(j, 1, m) cin >> a[i][j];
rep(s, 2, n + m) {
ll res = 0;
rep(j, 1, m) dp[j][1] = dp[j][2] = 0;
rep(j, 1, m) {
int i = s - j;
// dp[j][0] = dp[j][1] = dp[j][2] = 0;
if (i < 1 || i > n) continue;
// 0: nothing
// 1: vertical
// 2: horizontal
// if (s == 4) cout << i << ' ' << j << '\n';
dp[j][1] = max(dp[j - 1][1], dp[j - 1][2]);
if (j > 3)
dp[j][2] = max(dp[j - 1][2], dp[j - 3][1]);
if (i > 2 && check(a[i - 2][j], a[i - 1][j], a[i][j]))
dp[j][1] = max(dp[j - 1][2], dp[j - 1][1]) + 1;
if (j > 2 && check(a[i][j - 2], a[i][j - 1], a[i][j]))
dp[j][2] = max(dp[j - 1][2], dp[j - 3][1]) + 1;
res = max(res, max(dp[j][1], dp[j][2]));
}
// cout << s << ": " << res << '\n';
ans += res;
}
cout << ans << '\n';
return 0;
}
/** /\_/\
* (= ._.)
* / >🍵 \>🍮
**/
Compilation message
dango_maker.cpp:66:9: warning: "/*" within comment [-Wcomment]
66 | /** /\_/\
|
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
0 ms |
340 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 |
328 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
328 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
328 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 |
1 ms |
336 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
0 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
328 KB |
Output is correct |
44 |
Correct |
1 ms |
324 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
332 KB |
Output is correct |
47 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
51 |
Correct |
1 ms |
328 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 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 |
340 KB |
Output is correct |
6 |
Correct |
0 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
0 ms |
340 KB |
Output is correct |
9 |
Correct |
0 ms |
340 KB |
Output is correct |
10 |
Correct |
0 ms |
340 KB |
Output is correct |
11 |
Correct |
1 ms |
340 KB |
Output is correct |
12 |
Correct |
0 ms |
340 KB |
Output is correct |
13 |
Correct |
0 ms |
340 KB |
Output is correct |
14 |
Correct |
1 ms |
340 KB |
Output is correct |
15 |
Correct |
0 ms |
340 KB |
Output is correct |
16 |
Correct |
0 ms |
340 KB |
Output is correct |
17 |
Correct |
1 ms |
340 KB |
Output is correct |
18 |
Correct |
0 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
0 ms |
340 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
0 ms |
340 KB |
Output is correct |
23 |
Correct |
1 ms |
324 KB |
Output is correct |
24 |
Correct |
1 ms |
336 KB |
Output is correct |
25 |
Correct |
1 ms |
340 KB |
Output is correct |
26 |
Correct |
1 ms |
340 KB |
Output is correct |
27 |
Correct |
0 ms |
340 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 |
328 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
328 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
1 ms |
332 KB |
Output is correct |
35 |
Correct |
1 ms |
328 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 |
1 ms |
336 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
0 ms |
340 KB |
Output is correct |
43 |
Correct |
1 ms |
328 KB |
Output is correct |
44 |
Correct |
1 ms |
324 KB |
Output is correct |
45 |
Correct |
1 ms |
332 KB |
Output is correct |
46 |
Correct |
1 ms |
332 KB |
Output is correct |
47 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
51 |
Correct |
1 ms |
328 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
16 ms |
332 KB |
Output is correct |
55 |
Correct |
4 ms |
9044 KB |
Output is correct |
56 |
Correct |
16 ms |
440 KB |
Output is correct |
57 |
Correct |
4 ms |
6228 KB |
Output is correct |
58 |
Correct |
26 ms |
3672 KB |
Output is correct |
59 |
Correct |
226 ms |
9508 KB |
Output is correct |
60 |
Correct |
206 ms |
9608 KB |
Output is correct |
61 |
Correct |
212 ms |
9600 KB |
Output is correct |
62 |
Correct |
14 ms |
340 KB |
Output is correct |
63 |
Correct |
201 ms |
9660 KB |
Output is correct |
64 |
Correct |
187 ms |
9608 KB |
Output is correct |
65 |
Correct |
247 ms |
9544 KB |
Output is correct |
66 |
Correct |
202 ms |
9656 KB |
Output is correct |
67 |
Correct |
192 ms |
9608 KB |
Output is correct |
68 |
Correct |
189 ms |
9520 KB |
Output is correct |
69 |
Correct |
202 ms |
9712 KB |
Output is correct |
70 |
Correct |
23 ms |
3748 KB |
Output is correct |
71 |
Correct |
22 ms |
3788 KB |
Output is correct |
72 |
Correct |
27 ms |
3908 KB |
Output is correct |
73 |
Correct |
22 ms |
3788 KB |
Output is correct |
74 |
Correct |
22 ms |
3796 KB |
Output is correct |
75 |
Correct |
34 ms |
3720 KB |
Output is correct |
76 |
Correct |
24 ms |
3800 KB |
Output is correct |
77 |
Correct |
26 ms |
3788 KB |
Output is correct |
78 |
Correct |
22 ms |
3796 KB |
Output is correct |
79 |
Correct |
23 ms |
3724 KB |
Output is correct |
80 |
Correct |
22 ms |
3776 KB |
Output is correct |
81 |
Correct |
24 ms |
3700 KB |
Output is correct |
82 |
Correct |
23 ms |
3788 KB |
Output is correct |
83 |
Correct |
25 ms |
3800 KB |
Output is correct |
84 |
Correct |
25 ms |
3804 KB |
Output is correct |
85 |
Correct |
24 ms |
3712 KB |
Output is correct |
86 |
Correct |
22 ms |
3700 KB |
Output is correct |
87 |
Correct |
25 ms |
3780 KB |
Output is correct |
88 |
Correct |
24 ms |
3832 KB |
Output is correct |
89 |
Correct |
23 ms |
3812 KB |
Output is correct |
90 |
Correct |
32 ms |
3788 KB |
Output is correct |