#include <bits/stdc++.h>
#include <iostream>
#include<queue>
#include<vector>
#include<utility>
using namespace std;
typedef long long ll;
const int sz=2e5+1;
const int sz1=1e3+10;
const int mod = 2111992;
int n,m;
char g[4000][4001];
char d[3][4001];
int dp[3][4001];
int main(){
cin>>n>>m;
for(int i = 0; i < n; i++){
for(int j = 0; j < m; j++){
cin>>g[i][j];
}
}
int ans = 0;
for(int i = 1; i < n + m - 2; i++){
for(int j = 0; j < 3; j++){
for(int k = 0; k < 4000; k++) d[j][k] = '?';
}
for(int j = 0; j < 3; j++){
for(int k = 0; k < m; k++){
int r = i + j - k - 1;
int c = k;
if(r < 0 or r>=n) continue;
d[j][k] = g[r][c];
}
}
for(int j = 0; j < 3; j++){
for(int k = 0; k < 4000; k++) dp[j][k] = 0;
}
for(int j = 0; j < m; j++){
for(int k = 0; k < 3; k++){
dp[0][j + 1] = max(dp[0][j + 1], dp[k][j]);
if(d[1][j] != 'G') continue;
if(j > 0 and k!= 1 and d[0][j - 1] == 'R' and d[2][j + 1] == 'W'){
dp[2][j + 1] = max(dp[2][j + 1],dp[k][j] + 1);
}
if(k != 2 and d[0][j] == 'R' and d[2][j] == 'W'){
dp[1][j + 1] = max(dp[1][j + 1],dp[k][j] + 1);
}
}
}
ans += max(dp[0][m],max(dp[1][m],dp[2][m]));
}
cout<<ans<<endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
308 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
304 KB |
Output is correct |
12 |
Correct |
1 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 |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
308 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
304 KB |
Output is correct |
12 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
304 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
340 KB |
Output is correct |
26 |
Correct |
0 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
308 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
0 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
0 ms |
340 KB |
Output is correct |
44 |
Correct |
0 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 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 |
340 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 |
1 ms |
212 KB |
Output is correct |
2 |
Correct |
0 ms |
212 KB |
Output is correct |
3 |
Correct |
1 ms |
212 KB |
Output is correct |
4 |
Correct |
1 ms |
308 KB |
Output is correct |
5 |
Correct |
1 ms |
340 KB |
Output is correct |
6 |
Correct |
1 ms |
340 KB |
Output is correct |
7 |
Correct |
0 ms |
340 KB |
Output is correct |
8 |
Correct |
1 ms |
340 KB |
Output is correct |
9 |
Correct |
1 ms |
340 KB |
Output is correct |
10 |
Correct |
1 ms |
340 KB |
Output is correct |
11 |
Correct |
0 ms |
304 KB |
Output is correct |
12 |
Correct |
1 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 |
1 ms |
340 KB |
Output is correct |
19 |
Correct |
1 ms |
340 KB |
Output is correct |
20 |
Correct |
1 ms |
304 KB |
Output is correct |
21 |
Correct |
1 ms |
340 KB |
Output is correct |
22 |
Correct |
1 ms |
340 KB |
Output is correct |
23 |
Correct |
0 ms |
340 KB |
Output is correct |
24 |
Correct |
1 ms |
340 KB |
Output is correct |
25 |
Correct |
0 ms |
340 KB |
Output is correct |
26 |
Correct |
0 ms |
340 KB |
Output is correct |
27 |
Correct |
1 ms |
340 KB |
Output is correct |
28 |
Correct |
1 ms |
340 KB |
Output is correct |
29 |
Correct |
1 ms |
340 KB |
Output is correct |
30 |
Correct |
1 ms |
308 KB |
Output is correct |
31 |
Correct |
1 ms |
340 KB |
Output is correct |
32 |
Correct |
1 ms |
340 KB |
Output is correct |
33 |
Correct |
1 ms |
340 KB |
Output is correct |
34 |
Correct |
0 ms |
340 KB |
Output is correct |
35 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
40 |
Correct |
1 ms |
340 KB |
Output is correct |
41 |
Correct |
1 ms |
340 KB |
Output is correct |
42 |
Correct |
1 ms |
340 KB |
Output is correct |
43 |
Correct |
0 ms |
340 KB |
Output is correct |
44 |
Correct |
0 ms |
340 KB |
Output is correct |
45 |
Correct |
1 ms |
340 KB |
Output is correct |
46 |
Correct |
1 ms |
340 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 |
340 KB |
Output is correct |
52 |
Correct |
1 ms |
340 KB |
Output is correct |
53 |
Correct |
1 ms |
340 KB |
Output is correct |
54 |
Correct |
76 ms |
340 KB |
Output is correct |
55 |
Correct |
12 ms |
11988 KB |
Output is correct |
56 |
Correct |
76 ms |
320 KB |
Output is correct |
57 |
Correct |
8 ms |
8148 KB |
Output is correct |
58 |
Correct |
76 ms |
5232 KB |
Output is correct |
59 |
Correct |
773 ms |
20972 KB |
Output is correct |
60 |
Correct |
765 ms |
20888 KB |
Output is correct |
61 |
Correct |
783 ms |
20928 KB |
Output is correct |
62 |
Correct |
66 ms |
340 KB |
Output is correct |
63 |
Correct |
733 ms |
20516 KB |
Output is correct |
64 |
Correct |
747 ms |
20948 KB |
Output is correct |
65 |
Correct |
730 ms |
20884 KB |
Output is correct |
66 |
Correct |
723 ms |
21000 KB |
Output is correct |
67 |
Correct |
724 ms |
20932 KB |
Output is correct |
68 |
Correct |
660 ms |
20840 KB |
Output is correct |
69 |
Correct |
716 ms |
20812 KB |
Output is correct |
70 |
Correct |
75 ms |
5232 KB |
Output is correct |
71 |
Correct |
74 ms |
5204 KB |
Output is correct |
72 |
Correct |
72 ms |
5188 KB |
Output is correct |
73 |
Correct |
72 ms |
5160 KB |
Output is correct |
74 |
Correct |
73 ms |
5196 KB |
Output is correct |
75 |
Correct |
73 ms |
5140 KB |
Output is correct |
76 |
Correct |
74 ms |
5164 KB |
Output is correct |
77 |
Correct |
76 ms |
5224 KB |
Output is correct |
78 |
Correct |
76 ms |
5204 KB |
Output is correct |
79 |
Correct |
72 ms |
5148 KB |
Output is correct |
80 |
Correct |
73 ms |
5232 KB |
Output is correct |
81 |
Correct |
72 ms |
5196 KB |
Output is correct |
82 |
Correct |
76 ms |
5296 KB |
Output is correct |
83 |
Correct |
72 ms |
5228 KB |
Output is correct |
84 |
Correct |
76 ms |
5152 KB |
Output is correct |
85 |
Correct |
73 ms |
5144 KB |
Output is correct |
86 |
Correct |
73 ms |
5240 KB |
Output is correct |
87 |
Correct |
73 ms |
5180 KB |
Output is correct |
88 |
Correct |
75 ms |
5228 KB |
Output is correct |
89 |
Correct |
73 ms |
5184 KB |
Output is correct |
90 |
Correct |
71 ms |
5196 KB |
Output is correct |