#include <bits/stdc++.h>
using namespace std;
vector<int> active;
int32_t main() {
int n, m;
cin >> n >> m;
char a[n+1][m+1];
for(int i=1; i<=n; i++) {
for(int j=1; j<=m; j++) {
cin >> a[i][j];
}
}
int dp[n+1][m+1][2];
for(int i=0; i<=n; i++) {
for(int j=0; j<=m; j++) {
dp[i][j][0] = dp[i][j][1] = 0;
}
}
int ans = 0;
for(int i=2; i<=n+m; i++) {
int r, c;
if(i <= m + 1) r = 1, c = i - 1;
else c = m, r = i - m;
int cm = i;
dp[r][c][0] = (c>1 && c<m && a[r][c-1] == 'R' && a[r][c] == 'G' && a[r][c+1] == 'W');
dp[r][c][1] = (r>1 && r<n && a[r-1][c] == 'R' && a[r][c] == 'G' && a[r+1][c] == 'W');
int mx = max(dp[r][c][0], dp[r][c][1]);
while(r+1 <= n && c-1 >= 1) {
r++, c--;
dp[r][c][0] = max(
dp[r-1][c+1][0] + (c>1 && c<m && a[r][c-1] == 'R' && a[r][c] == 'G' && a[r][c+1] == 'W'),
dp[r-1][c+1][1]
);
dp[r][c][1] = max(
dp[r-1][c+1][0],
dp[r-1][c+1][1] + (r>1 && r<n && a[r-1][c] == 'R' && a[r][c] == 'G' && a[r+1][c] == 'W')
);
mx = max(mx, dp[r][c][0]);
mx = max(mx, dp[r][c][1]);
}
ans += mx;
}
cout << ans << "\n";
}
Compilation message
dango_maker.cpp: In function 'int32_t main()':
dango_maker.cpp:26:13: warning: unused variable 'cm' [-Wunused-variable]
26 | int cm = i;
| ^~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
324 KB |
Output is correct |
2 |
Correct |
0 ms |
288 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
292 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
248 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
324 KB |
Output is correct |
2 |
Correct |
0 ms |
288 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
292 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
248 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
296 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
292 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |
34 |
Correct |
0 ms |
292 KB |
Output is correct |
35 |
Correct |
0 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
204 KB |
Output is correct |
37 |
Correct |
0 ms |
292 KB |
Output is correct |
38 |
Correct |
0 ms |
204 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
0 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
288 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
0 ms |
204 KB |
Output is correct |
50 |
Correct |
0 ms |
204 KB |
Output is correct |
51 |
Correct |
0 ms |
204 KB |
Output is correct |
52 |
Correct |
1 ms |
296 KB |
Output is correct |
53 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
324 KB |
Output is correct |
2 |
Correct |
0 ms |
288 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
1 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
0 ms |
204 KB |
Output is correct |
8 |
Correct |
0 ms |
204 KB |
Output is correct |
9 |
Correct |
0 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
292 KB |
Output is correct |
11 |
Correct |
0 ms |
204 KB |
Output is correct |
12 |
Correct |
1 ms |
204 KB |
Output is correct |
13 |
Correct |
0 ms |
204 KB |
Output is correct |
14 |
Correct |
0 ms |
204 KB |
Output is correct |
15 |
Correct |
1 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
248 KB |
Output is correct |
17 |
Correct |
0 ms |
204 KB |
Output is correct |
18 |
Correct |
0 ms |
204 KB |
Output is correct |
19 |
Correct |
0 ms |
204 KB |
Output is correct |
20 |
Correct |
1 ms |
204 KB |
Output is correct |
21 |
Correct |
1 ms |
204 KB |
Output is correct |
22 |
Correct |
1 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
292 KB |
Output is correct |
24 |
Correct |
1 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
296 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
1 ms |
204 KB |
Output is correct |
28 |
Correct |
0 ms |
204 KB |
Output is correct |
29 |
Correct |
0 ms |
204 KB |
Output is correct |
30 |
Correct |
0 ms |
292 KB |
Output is correct |
31 |
Correct |
0 ms |
204 KB |
Output is correct |
32 |
Correct |
0 ms |
204 KB |
Output is correct |
33 |
Correct |
0 ms |
204 KB |
Output is correct |
34 |
Correct |
0 ms |
292 KB |
Output is correct |
35 |
Correct |
0 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
204 KB |
Output is correct |
37 |
Correct |
0 ms |
292 KB |
Output is correct |
38 |
Correct |
0 ms |
204 KB |
Output is correct |
39 |
Correct |
0 ms |
204 KB |
Output is correct |
40 |
Correct |
0 ms |
204 KB |
Output is correct |
41 |
Correct |
0 ms |
204 KB |
Output is correct |
42 |
Correct |
1 ms |
204 KB |
Output is correct |
43 |
Correct |
0 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
204 KB |
Output is correct |
45 |
Correct |
0 ms |
288 KB |
Output is correct |
46 |
Correct |
0 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
0 ms |
204 KB |
Output is correct |
49 |
Correct |
0 ms |
204 KB |
Output is correct |
50 |
Correct |
0 ms |
204 KB |
Output is correct |
51 |
Correct |
0 ms |
204 KB |
Output is correct |
52 |
Correct |
1 ms |
296 KB |
Output is correct |
53 |
Correct |
0 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
332 KB |
Output is correct |
55 |
Correct |
1 ms |
332 KB |
Output is correct |
56 |
Correct |
2 ms |
460 KB |
Output is correct |
57 |
Correct |
2 ms |
452 KB |
Output is correct |
58 |
Correct |
84 ms |
10060 KB |
Output is correct |
59 |
Correct |
727 ms |
83296 KB |
Output is correct |
60 |
Correct |
655 ms |
83376 KB |
Output is correct |
61 |
Correct |
665 ms |
83372 KB |
Output is correct |
62 |
Correct |
1 ms |
332 KB |
Output is correct |
63 |
Correct |
640 ms |
80712 KB |
Output is correct |
64 |
Correct |
639 ms |
88292 KB |
Output is correct |
65 |
Correct |
647 ms |
88368 KB |
Output is correct |
66 |
Correct |
648 ms |
88368 KB |
Output is correct |
67 |
Correct |
644 ms |
88296 KB |
Output is correct |
68 |
Correct |
685 ms |
88416 KB |
Output is correct |
69 |
Correct |
666 ms |
88368 KB |
Output is correct |
70 |
Correct |
72 ms |
10060 KB |
Output is correct |
71 |
Correct |
74 ms |
10052 KB |
Output is correct |
72 |
Correct |
62 ms |
10060 KB |
Output is correct |
73 |
Correct |
66 ms |
10076 KB |
Output is correct |
74 |
Correct |
64 ms |
10056 KB |
Output is correct |
75 |
Correct |
77 ms |
10024 KB |
Output is correct |
76 |
Correct |
63 ms |
10052 KB |
Output is correct |
77 |
Correct |
63 ms |
10068 KB |
Output is correct |
78 |
Correct |
64 ms |
10060 KB |
Output is correct |
79 |
Correct |
67 ms |
10060 KB |
Output is correct |
80 |
Correct |
64 ms |
10056 KB |
Output is correct |
81 |
Correct |
68 ms |
10060 KB |
Output is correct |
82 |
Correct |
75 ms |
10072 KB |
Output is correct |
83 |
Correct |
66 ms |
10056 KB |
Output is correct |
84 |
Correct |
63 ms |
9944 KB |
Output is correct |
85 |
Correct |
66 ms |
10152 KB |
Output is correct |
86 |
Correct |
75 ms |
10052 KB |
Output is correct |
87 |
Correct |
68 ms |
10060 KB |
Output is correct |
88 |
Correct |
63 ms |
10024 KB |
Output is correct |
89 |
Correct |
64 ms |
10036 KB |
Output is correct |
90 |
Correct |
69 ms |
10068 KB |
Output is correct |