#include "bits/stdc++.h"
using namespace std;
#define ar array
signed main(){
ios::sync_with_stdio(0); cin.tie(0);
int n, m; cin>>n>>m;
vector<string> a(n);
for(int i=0;i<n;i++){
cin>>a[i];
}
vector<vector<int>> in(n + m);
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
in[i + j].push_back(i);
}
}
auto can = [&](int i, int j){
return (0 < j && j+1 < m && a[i][j-1] == 'R' && a[i][j] == 'G' && a[i][j+1] == 'W');
};
auto can_ = [&](int i, int j){
return (0 < i && i+1 < n && a[i-1][j] == 'R' && a[i][j] == 'G' && a[i+1][j] == 'W');
};
int res = 0;
for(int s=0;s<n+m;s++){
int k = in[s].size();
vector<ar<int, 3>> dp(k + 1);
for(int l=1;l<=k;l++){
int i = in[s][l-1], j = s - i;
dp[l][0] = max({dp[l-1][0], dp[l-1][1], dp[l-1][2]});
if(can(i, j)) dp[l][1] = max(dp[l-1][0], dp[l-1][1]) + 1;
if(can_(i, j)) dp[l][2] = max(dp[l-1][0], dp[l-1][2]) + 1;
}
res += max({dp[k][0], dp[k][1], dp[k][2]});
//~ cout<<s<<" "<<dp[k][0]<<"\n";
}
cout<<res<<"\n";
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 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 |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
0 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 |
204 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 |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
316 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
308 KB |
Output is correct |
40 |
Correct |
1 ms |
312 KB |
Output is correct |
41 |
Correct |
1 ms |
204 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
316 KB |
Output is correct |
45 |
Correct |
1 ms |
312 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
1 ms |
204 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
0 ms |
308 KB |
Output is correct |
52 |
Correct |
1 ms |
204 KB |
Output is correct |
53 |
Correct |
1 ms |
204 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
204 KB |
Output is correct |
2 |
Correct |
0 ms |
204 KB |
Output is correct |
3 |
Correct |
0 ms |
204 KB |
Output is correct |
4 |
Correct |
0 ms |
204 KB |
Output is correct |
5 |
Correct |
0 ms |
204 KB |
Output is correct |
6 |
Correct |
0 ms |
204 KB |
Output is correct |
7 |
Correct |
1 ms |
204 KB |
Output is correct |
8 |
Correct |
1 ms |
204 KB |
Output is correct |
9 |
Correct |
1 ms |
204 KB |
Output is correct |
10 |
Correct |
1 ms |
204 KB |
Output is correct |
11 |
Correct |
1 ms |
204 KB |
Output is correct |
12 |
Correct |
0 ms |
204 KB |
Output is correct |
13 |
Correct |
1 ms |
204 KB |
Output is correct |
14 |
Correct |
1 ms |
204 KB |
Output is correct |
15 |
Correct |
0 ms |
204 KB |
Output is correct |
16 |
Correct |
0 ms |
204 KB |
Output is correct |
17 |
Correct |
1 ms |
204 KB |
Output is correct |
18 |
Correct |
1 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 |
0 ms |
204 KB |
Output is correct |
23 |
Correct |
1 ms |
204 KB |
Output is correct |
24 |
Correct |
0 ms |
204 KB |
Output is correct |
25 |
Correct |
1 ms |
204 KB |
Output is correct |
26 |
Correct |
0 ms |
204 KB |
Output is correct |
27 |
Correct |
0 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 |
204 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 |
204 KB |
Output is correct |
35 |
Correct |
1 ms |
204 KB |
Output is correct |
36 |
Correct |
0 ms |
204 KB |
Output is correct |
37 |
Correct |
1 ms |
316 KB |
Output is correct |
38 |
Correct |
1 ms |
204 KB |
Output is correct |
39 |
Correct |
1 ms |
308 KB |
Output is correct |
40 |
Correct |
1 ms |
312 KB |
Output is correct |
41 |
Correct |
1 ms |
204 KB |
Output is correct |
42 |
Correct |
0 ms |
204 KB |
Output is correct |
43 |
Correct |
1 ms |
204 KB |
Output is correct |
44 |
Correct |
1 ms |
316 KB |
Output is correct |
45 |
Correct |
1 ms |
312 KB |
Output is correct |
46 |
Correct |
1 ms |
204 KB |
Output is correct |
47 |
Correct |
0 ms |
204 KB |
Output is correct |
48 |
Correct |
1 ms |
204 KB |
Output is correct |
49 |
Correct |
1 ms |
204 KB |
Output is correct |
50 |
Correct |
1 ms |
204 KB |
Output is correct |
51 |
Correct |
0 ms |
308 KB |
Output is correct |
52 |
Correct |
1 ms |
204 KB |
Output is correct |
53 |
Correct |
1 ms |
204 KB |
Output is correct |
54 |
Correct |
1 ms |
460 KB |
Output is correct |
55 |
Correct |
1 ms |
576 KB |
Output is correct |
56 |
Correct |
1 ms |
460 KB |
Output is correct |
57 |
Correct |
1 ms |
444 KB |
Output is correct |
58 |
Correct |
25 ms |
7748 KB |
Output is correct |
59 |
Correct |
266 ms |
68728 KB |
Output is correct |
60 |
Correct |
247 ms |
68548 KB |
Output is correct |
61 |
Correct |
259 ms |
68616 KB |
Output is correct |
62 |
Correct |
1 ms |
460 KB |
Output is correct |
63 |
Correct |
249 ms |
66324 KB |
Output is correct |
64 |
Correct |
200 ms |
68600 KB |
Output is correct |
65 |
Correct |
172 ms |
68616 KB |
Output is correct |
66 |
Correct |
187 ms |
68712 KB |
Output is correct |
67 |
Correct |
173 ms |
68508 KB |
Output is correct |
68 |
Correct |
210 ms |
68612 KB |
Output is correct |
69 |
Correct |
187 ms |
68664 KB |
Output is correct |
70 |
Correct |
19 ms |
7760 KB |
Output is correct |
71 |
Correct |
22 ms |
7748 KB |
Output is correct |
72 |
Correct |
20 ms |
7728 KB |
Output is correct |
73 |
Correct |
18 ms |
7752 KB |
Output is correct |
74 |
Correct |
22 ms |
7656 KB |
Output is correct |
75 |
Correct |
19 ms |
7756 KB |
Output is correct |
76 |
Correct |
18 ms |
7648 KB |
Output is correct |
77 |
Correct |
17 ms |
7728 KB |
Output is correct |
78 |
Correct |
17 ms |
7772 KB |
Output is correct |
79 |
Correct |
17 ms |
7736 KB |
Output is correct |
80 |
Correct |
18 ms |
7736 KB |
Output is correct |
81 |
Correct |
19 ms |
7740 KB |
Output is correct |
82 |
Correct |
18 ms |
7728 KB |
Output is correct |
83 |
Correct |
17 ms |
7648 KB |
Output is correct |
84 |
Correct |
18 ms |
7740 KB |
Output is correct |
85 |
Correct |
20 ms |
7748 KB |
Output is correct |
86 |
Correct |
17 ms |
7748 KB |
Output is correct |
87 |
Correct |
18 ms |
7636 KB |
Output is correct |
88 |
Correct |
18 ms |
7700 KB |
Output is correct |
89 |
Correct |
18 ms |
7716 KB |
Output is correct |
90 |
Correct |
19 ms |
7752 KB |
Output is correct |