#include <bits/stdc++.h>
#define int long long
#define IO ios::sync_with_stdio(0), cin.tie(0)
#define FOR(i, a, b) for (int i = a; i <= b; i++)
using namespace std;
using pii = pair<int, int>;
void dbg() {;}
template<class T, class ...U>
void dbg(T a, U ...b) { cout << a << " "; dbg(b...); }
void ent() { cout << "\n"; }
const int N = 3005;
char a[N][N];
int n, m;
bool can_x[N][N], can_y[N][N];
int dp[N][N], dpx[N][N], dpy[N][N];
signed main() {
IO;
cin >> n >> m;
FOR(i, 1, n) FOR(j, 1, m) cin >> a[i][j];
auto inside = [&](int x, int y) {
return (1 <= x && x <= n && 1 <= y && y <= m);
};
FOR(i, 1, n) {
FOR(j, 1, m) {
if (inside(i - 1, j) && inside(i + 1, j) &&
a[i - 1][j] == 'R' && a[i][j] == 'G' && a[i + 1][j] == 'W')
can_x[i][j] = true;
if (inside(i, j - 1) && inside(i, j + 1) &&
a[i][j - 1] == 'R' && a[i][j] == 'G' && a[i][j + 1] == 'W')
can_y[i][j] = true;
}
}
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (can_x[i][j]) {
dpx[i][j] = max(dpx[i - 1][j + 1], dp[i - 1][j + 1]) + 1;
}
if (can_y[i][j]) {
dpy[i][j] = max(dpy[i - 1][j + 1], dp[i - 1][j + 1]) + 1;
}
dp[i][j] = max({dp[i - 1][j + 1], dpx[i - 1][j + 1], dpy[i - 1][j + 1]});
}
}
int ans = 0;
for (int i = 1; i <= n; i++)
ans += max({dp[i][1], dpx[i][1], dpy[i][1]});
for (int j = 2; j <= m; j++)
ans += max({dp[n][j], dpx[n][j], dpy[n][j]});
cout << ans << "\n";
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6488 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6488 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
6492 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
8540 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
0 ms |
2392 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
1 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
6492 KB |
Output is correct |
30 |
Correct |
1 ms |
4440 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4440 KB |
Output is correct |
33 |
Correct |
1 ms |
8540 KB |
Output is correct |
34 |
Correct |
1 ms |
8540 KB |
Output is correct |
35 |
Correct |
1 ms |
8540 KB |
Output is correct |
36 |
Correct |
1 ms |
8540 KB |
Output is correct |
37 |
Correct |
1 ms |
8540 KB |
Output is correct |
38 |
Correct |
1 ms |
6492 KB |
Output is correct |
39 |
Correct |
1 ms |
8536 KB |
Output is correct |
40 |
Correct |
1 ms |
8540 KB |
Output is correct |
41 |
Correct |
1 ms |
8540 KB |
Output is correct |
42 |
Correct |
1 ms |
8540 KB |
Output is correct |
43 |
Correct |
2 ms |
8536 KB |
Output is correct |
44 |
Correct |
1 ms |
8536 KB |
Output is correct |
45 |
Correct |
1 ms |
8540 KB |
Output is correct |
46 |
Correct |
2 ms |
8536 KB |
Output is correct |
47 |
Correct |
1 ms |
8536 KB |
Output is correct |
48 |
Correct |
1 ms |
8544 KB |
Output is correct |
49 |
Correct |
1 ms |
8548 KB |
Output is correct |
50 |
Correct |
1 ms |
8540 KB |
Output is correct |
51 |
Correct |
1 ms |
8540 KB |
Output is correct |
52 |
Correct |
1 ms |
8540 KB |
Output is correct |
53 |
Correct |
1 ms |
8540 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
2396 KB |
Output is correct |
2 |
Correct |
1 ms |
2396 KB |
Output is correct |
3 |
Correct |
1 ms |
2396 KB |
Output is correct |
4 |
Correct |
1 ms |
2396 KB |
Output is correct |
5 |
Correct |
1 ms |
2392 KB |
Output is correct |
6 |
Correct |
1 ms |
6492 KB |
Output is correct |
7 |
Correct |
1 ms |
6492 KB |
Output is correct |
8 |
Correct |
1 ms |
6492 KB |
Output is correct |
9 |
Correct |
1 ms |
6492 KB |
Output is correct |
10 |
Correct |
1 ms |
4444 KB |
Output is correct |
11 |
Correct |
1 ms |
6488 KB |
Output is correct |
12 |
Correct |
1 ms |
6492 KB |
Output is correct |
13 |
Correct |
1 ms |
6492 KB |
Output is correct |
14 |
Correct |
1 ms |
4444 KB |
Output is correct |
15 |
Correct |
1 ms |
4444 KB |
Output is correct |
16 |
Correct |
1 ms |
4444 KB |
Output is correct |
17 |
Correct |
1 ms |
6492 KB |
Output is correct |
18 |
Correct |
1 ms |
6492 KB |
Output is correct |
19 |
Correct |
1 ms |
6492 KB |
Output is correct |
20 |
Correct |
1 ms |
6492 KB |
Output is correct |
21 |
Correct |
1 ms |
8540 KB |
Output is correct |
22 |
Correct |
1 ms |
8540 KB |
Output is correct |
23 |
Correct |
1 ms |
6492 KB |
Output is correct |
24 |
Correct |
1 ms |
4444 KB |
Output is correct |
25 |
Correct |
1 ms |
2396 KB |
Output is correct |
26 |
Correct |
0 ms |
2392 KB |
Output is correct |
27 |
Correct |
1 ms |
8540 KB |
Output is correct |
28 |
Correct |
1 ms |
8540 KB |
Output is correct |
29 |
Correct |
1 ms |
6492 KB |
Output is correct |
30 |
Correct |
1 ms |
4440 KB |
Output is correct |
31 |
Correct |
1 ms |
4444 KB |
Output is correct |
32 |
Correct |
1 ms |
4440 KB |
Output is correct |
33 |
Correct |
1 ms |
8540 KB |
Output is correct |
34 |
Correct |
1 ms |
8540 KB |
Output is correct |
35 |
Correct |
1 ms |
8540 KB |
Output is correct |
36 |
Correct |
1 ms |
8540 KB |
Output is correct |
37 |
Correct |
1 ms |
8540 KB |
Output is correct |
38 |
Correct |
1 ms |
6492 KB |
Output is correct |
39 |
Correct |
1 ms |
8536 KB |
Output is correct |
40 |
Correct |
1 ms |
8540 KB |
Output is correct |
41 |
Correct |
1 ms |
8540 KB |
Output is correct |
42 |
Correct |
1 ms |
8540 KB |
Output is correct |
43 |
Correct |
2 ms |
8536 KB |
Output is correct |
44 |
Correct |
1 ms |
8536 KB |
Output is correct |
45 |
Correct |
1 ms |
8540 KB |
Output is correct |
46 |
Correct |
2 ms |
8536 KB |
Output is correct |
47 |
Correct |
1 ms |
8536 KB |
Output is correct |
48 |
Correct |
1 ms |
8544 KB |
Output is correct |
49 |
Correct |
1 ms |
8548 KB |
Output is correct |
50 |
Correct |
1 ms |
8540 KB |
Output is correct |
51 |
Correct |
1 ms |
8540 KB |
Output is correct |
52 |
Correct |
1 ms |
8540 KB |
Output is correct |
53 |
Correct |
1 ms |
8540 KB |
Output is correct |
54 |
Correct |
1 ms |
4444 KB |
Output is correct |
55 |
Correct |
10 ms |
89692 KB |
Output is correct |
56 |
Correct |
1 ms |
6748 KB |
Output is correct |
57 |
Correct |
14 ms |
133460 KB |
Output is correct |
58 |
Correct |
29 ms |
87632 KB |
Output is correct |
59 |
Correct |
195 ms |
238552 KB |
Output is correct |
60 |
Correct |
195 ms |
238532 KB |
Output is correct |
61 |
Correct |
194 ms |
238676 KB |
Output is correct |
62 |
Correct |
1 ms |
4444 KB |
Output is correct |
63 |
Correct |
192 ms |
238676 KB |
Output is correct |
64 |
Correct |
126 ms |
238544 KB |
Output is correct |
65 |
Correct |
126 ms |
238676 KB |
Output is correct |
66 |
Correct |
127 ms |
238604 KB |
Output is correct |
67 |
Correct |
117 ms |
143700 KB |
Output is correct |
68 |
Correct |
121 ms |
151412 KB |
Output is correct |
69 |
Correct |
135 ms |
205648 KB |
Output is correct |
70 |
Correct |
20 ms |
87376 KB |
Output is correct |
71 |
Correct |
20 ms |
87388 KB |
Output is correct |
72 |
Correct |
20 ms |
87524 KB |
Output is correct |
73 |
Correct |
21 ms |
87520 KB |
Output is correct |
74 |
Correct |
20 ms |
87388 KB |
Output is correct |
75 |
Correct |
20 ms |
87460 KB |
Output is correct |
76 |
Correct |
21 ms |
87380 KB |
Output is correct |
77 |
Correct |
21 ms |
87388 KB |
Output is correct |
78 |
Correct |
21 ms |
87524 KB |
Output is correct |
79 |
Correct |
21 ms |
87388 KB |
Output is correct |
80 |
Correct |
21 ms |
87388 KB |
Output is correct |
81 |
Correct |
22 ms |
87388 KB |
Output is correct |
82 |
Correct |
20 ms |
87388 KB |
Output is correct |
83 |
Correct |
20 ms |
87512 KB |
Output is correct |
84 |
Correct |
21 ms |
87504 KB |
Output is correct |
85 |
Correct |
21 ms |
87376 KB |
Output is correct |
86 |
Correct |
22 ms |
87456 KB |
Output is correct |
87 |
Correct |
21 ms |
87384 KB |
Output is correct |
88 |
Correct |
21 ms |
87384 KB |
Output is correct |
89 |
Correct |
20 ms |
87384 KB |
Output is correct |
90 |
Correct |
20 ms |
87384 KB |
Output is correct |