#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define mp make_pair
#define pb emplace_back
int32_t main(){
ios::sync_with_stdio(false);
cin.tie(0); cout.tie(0);
int n, m, tmp, tot = 0; cin >> n >> m;
char ch[n][m];
bool h[n][m], v[n][m];
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
h[i][j] = v[i][j] = 0;
cin >> ch[i][j];
}
}
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
if (ch[i][j] != 'G') continue;
if (i != 0 and i != n - 1 and ch[i - 1][j] == 'R' and ch[i + 1][j] == 'W') v[i][j] = 1;
if (j != 0 and j != m - 1 and ch[i][j - 1] == 'R' and ch[i][j + 1] == 'W') h[i][j] = 1;
}
}
/*for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
cerr << v[i][j];
}
cerr << '\n';
}
cerr << "HORI\n";
for (int i = 0; i < n; i++){
for (int j = 0; j < m; j++){
cerr << h[i][j];
}
cerr << '\n';
}*/
for (int diag = 0; diag < n + m - 1; diag++){
int dp[n][2]; tmp = 0;
bool flag = 0;
for (int x = 0; x < n; x++){
int y = diag - x;
if (y < 0) break;
if (y >= m) continue;
if (flag){
dp[x][0] = max(dp[x - 1][1], dp[x - 1][0] + h[x][y]);
dp[x][1] = max(dp[x - 1][1] + v[x][y], dp[x - 1][0]);
}
else{
if (h[x][y]) dp[x][0] = 1;
else dp[x][0] = 0;
if (v[x][y]) dp[x][1] = 1;
else dp[x][1] = 0;
}
flag = 1;
//if (diag == 6) cerr << "BOTH: " << dp[x][0] << ' ' << dp[x][1] << '\n';
tmp = max(tmp, max(dp[x][0], dp[x][1]));
}
//cerr << diag << ' ' << tmp << '\n';
tot += tmp;
}
cout << tot;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
316 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
320 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
316 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
320 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
320 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
320 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
320 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
324 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
320 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
320 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
316 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
320 KB |
Output is correct |
43 |
Correct |
1 ms |
320 KB |
Output is correct |
44 |
Correct |
1 ms |
324 KB |
Output is correct |
45 |
Correct |
0 ms |
320 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
1 ms |
212 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
1 ms |
320 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
212 KB |
Output is correct |
2 |
Correct |
1 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
316 KB |
Output is correct |
5 |
Correct |
1 ms |
320 KB |
Output is correct |
6 |
Correct |
1 ms |
312 KB |
Output is correct |
7 |
Correct |
1 ms |
212 KB |
Output is correct |
8 |
Correct |
1 ms |
212 KB |
Output is correct |
9 |
Correct |
0 ms |
212 KB |
Output is correct |
10 |
Correct |
1 ms |
212 KB |
Output is correct |
11 |
Correct |
1 ms |
212 KB |
Output is correct |
12 |
Correct |
0 ms |
212 KB |
Output is correct |
13 |
Correct |
1 ms |
320 KB |
Output is correct |
14 |
Correct |
1 ms |
320 KB |
Output is correct |
15 |
Correct |
1 ms |
212 KB |
Output is correct |
16 |
Correct |
1 ms |
320 KB |
Output is correct |
17 |
Correct |
1 ms |
212 KB |
Output is correct |
18 |
Correct |
0 ms |
320 KB |
Output is correct |
19 |
Correct |
1 ms |
212 KB |
Output is correct |
20 |
Correct |
1 ms |
320 KB |
Output is correct |
21 |
Correct |
1 ms |
212 KB |
Output is correct |
22 |
Correct |
1 ms |
212 KB |
Output is correct |
23 |
Correct |
1 ms |
320 KB |
Output is correct |
24 |
Correct |
0 ms |
212 KB |
Output is correct |
25 |
Correct |
1 ms |
212 KB |
Output is correct |
26 |
Correct |
1 ms |
324 KB |
Output is correct |
27 |
Correct |
0 ms |
212 KB |
Output is correct |
28 |
Correct |
1 ms |
212 KB |
Output is correct |
29 |
Correct |
0 ms |
320 KB |
Output is correct |
30 |
Correct |
1 ms |
212 KB |
Output is correct |
31 |
Correct |
1 ms |
212 KB |
Output is correct |
32 |
Correct |
1 ms |
212 KB |
Output is correct |
33 |
Correct |
1 ms |
320 KB |
Output is correct |
34 |
Correct |
1 ms |
212 KB |
Output is correct |
35 |
Correct |
1 ms |
212 KB |
Output is correct |
36 |
Correct |
1 ms |
212 KB |
Output is correct |
37 |
Correct |
1 ms |
316 KB |
Output is correct |
38 |
Correct |
1 ms |
212 KB |
Output is correct |
39 |
Correct |
0 ms |
212 KB |
Output is correct |
40 |
Correct |
1 ms |
212 KB |
Output is correct |
41 |
Correct |
1 ms |
212 KB |
Output is correct |
42 |
Correct |
1 ms |
320 KB |
Output is correct |
43 |
Correct |
1 ms |
320 KB |
Output is correct |
44 |
Correct |
1 ms |
324 KB |
Output is correct |
45 |
Correct |
0 ms |
320 KB |
Output is correct |
46 |
Correct |
1 ms |
212 KB |
Output is correct |
47 |
Correct |
0 ms |
212 KB |
Output is correct |
48 |
Correct |
1 ms |
212 KB |
Output is correct |
49 |
Correct |
0 ms |
212 KB |
Output is correct |
50 |
Correct |
1 ms |
212 KB |
Output is correct |
51 |
Correct |
0 ms |
212 KB |
Output is correct |
52 |
Correct |
1 ms |
212 KB |
Output is correct |
53 |
Correct |
1 ms |
320 KB |
Output is correct |
54 |
Correct |
1 ms |
212 KB |
Output is correct |
55 |
Correct |
5 ms |
324 KB |
Output is correct |
56 |
Correct |
1 ms |
340 KB |
Output is correct |
57 |
Correct |
2 ms |
340 KB |
Output is correct |
58 |
Correct |
26 ms |
4136 KB |
Output is correct |
59 |
Correct |
289 ms |
35668 KB |
Output is correct |
60 |
Correct |
273 ms |
35576 KB |
Output is correct |
61 |
Correct |
276 ms |
35540 KB |
Output is correct |
62 |
Correct |
1 ms |
340 KB |
Output is correct |
63 |
Correct |
272 ms |
34408 KB |
Output is correct |
64 |
Correct |
231 ms |
35580 KB |
Output is correct |
65 |
Correct |
235 ms |
35536 KB |
Output is correct |
66 |
Correct |
232 ms |
35576 KB |
Output is correct |
67 |
Correct |
225 ms |
35656 KB |
Output is correct |
68 |
Correct |
230 ms |
35528 KB |
Output is correct |
69 |
Correct |
230 ms |
35536 KB |
Output is correct |
70 |
Correct |
21 ms |
4136 KB |
Output is correct |
71 |
Correct |
21 ms |
4224 KB |
Output is correct |
72 |
Correct |
22 ms |
4228 KB |
Output is correct |
73 |
Correct |
21 ms |
4160 KB |
Output is correct |
74 |
Correct |
22 ms |
4300 KB |
Output is correct |
75 |
Correct |
20 ms |
4120 KB |
Output is correct |
76 |
Correct |
21 ms |
4132 KB |
Output is correct |
77 |
Correct |
21 ms |
4128 KB |
Output is correct |
78 |
Correct |
21 ms |
4132 KB |
Output is correct |
79 |
Correct |
20 ms |
4180 KB |
Output is correct |
80 |
Correct |
21 ms |
4180 KB |
Output is correct |
81 |
Correct |
21 ms |
4220 KB |
Output is correct |
82 |
Correct |
22 ms |
4180 KB |
Output is correct |
83 |
Correct |
20 ms |
4136 KB |
Output is correct |
84 |
Correct |
22 ms |
4228 KB |
Output is correct |
85 |
Correct |
21 ms |
4180 KB |
Output is correct |
86 |
Correct |
24 ms |
4136 KB |
Output is correct |
87 |
Correct |
21 ms |
4180 KB |
Output is correct |
88 |
Correct |
21 ms |
4212 KB |
Output is correct |
89 |
Correct |
21 ms |
4180 KB |
Output is correct |
90 |
Correct |
21 ms |
4208 KB |
Output is correct |