#include<iostream>
#include<stdio.h>
#include<vector>
#include<cmath>
#include<queue>
#include<string.h>
#include<map>
#include<set>
#include<algorithm>
#define ll long long
#define pi pair < ll,ll >
#define mp(a,b) make_pair(a,b)
#define rep(i,a,b) for(int i = a;i < b;i++)
#define N 3004
#define INF 1e9+7
using namespace std;
ll n,m,ans;
char ar[N][N];
ll dp[N][3]; // dp[.][1] = chose up in last row
bool can(pi r,pi g,pi w)
{
if(w.first < 0 || w.first >= n || w.second < 0 || w.second >= m)
return false;
return (ar[r.first][r.second] == 'R' && ar[g.first][g.second] == 'G' && ar[w.first][w.second] == 'W');
}
int main()
{
ios_base::sync_with_stdio(false);
cin >> n >> m;
rep(i,0,n)
{
rep(j,0,m)
{
cin >> ar[i][j];
}
}
rep(s,0,n+m-1)
{
memset(dp,0,sizeof dp);
ll j = min(m-1,(ll)s);
ll i = s - j;
dp[i][0] = 0;
if(can(mp(i-1,j),mp(i,j),mp(i+1,j)))
{
dp[i][1] = 1;
}
if(can(mp(i,j-1),mp(i,j),mp(i,j+1)))
{
dp[i][2] = 1;
}
i++;
j--;
while(i <= s && j >= 0)
{
dp[i][0] = max(dp[i-1][1],dp[i-1][2]);
dp[i][1] = max(dp[i-1][0],dp[i-1][1]) + (ll)(can(mp(i-1,j),mp(i,j),mp(i+1,j)));
dp[i][2] = max(dp[i-1][0],dp[i-1][2]) + (ll)(can(mp(i,j-1),mp(i,j),mp(i,j+1)));
i++;
j--;
}
i--;
j++;
ans += max(dp[i][0],max(dp[i][1],dp[i][2]));
}
cout << ans << endl;
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
7 |
Correct |
2 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
596 KB |
Output is correct |
9 |
Correct |
2 ms |
688 KB |
Output is correct |
10 |
Correct |
2 ms |
732 KB |
Output is correct |
11 |
Correct |
2 ms |
732 KB |
Output is correct |
12 |
Correct |
3 ms |
732 KB |
Output is correct |
13 |
Correct |
2 ms |
764 KB |
Output is correct |
14 |
Correct |
2 ms |
764 KB |
Output is correct |
15 |
Correct |
2 ms |
764 KB |
Output is correct |
16 |
Correct |
3 ms |
764 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
7 |
Correct |
2 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
596 KB |
Output is correct |
9 |
Correct |
2 ms |
688 KB |
Output is correct |
10 |
Correct |
2 ms |
732 KB |
Output is correct |
11 |
Correct |
2 ms |
732 KB |
Output is correct |
12 |
Correct |
3 ms |
732 KB |
Output is correct |
13 |
Correct |
2 ms |
764 KB |
Output is correct |
14 |
Correct |
2 ms |
764 KB |
Output is correct |
15 |
Correct |
2 ms |
764 KB |
Output is correct |
16 |
Correct |
3 ms |
764 KB |
Output is correct |
17 |
Correct |
2 ms |
764 KB |
Output is correct |
18 |
Correct |
2 ms |
764 KB |
Output is correct |
19 |
Correct |
2 ms |
764 KB |
Output is correct |
20 |
Correct |
2 ms |
764 KB |
Output is correct |
21 |
Correct |
2 ms |
764 KB |
Output is correct |
22 |
Correct |
2 ms |
764 KB |
Output is correct |
23 |
Correct |
2 ms |
764 KB |
Output is correct |
24 |
Correct |
2 ms |
776 KB |
Output is correct |
25 |
Correct |
2 ms |
792 KB |
Output is correct |
26 |
Correct |
3 ms |
792 KB |
Output is correct |
27 |
Correct |
2 ms |
792 KB |
Output is correct |
28 |
Correct |
2 ms |
792 KB |
Output is correct |
29 |
Correct |
2 ms |
792 KB |
Output is correct |
30 |
Correct |
2 ms |
792 KB |
Output is correct |
31 |
Correct |
2 ms |
792 KB |
Output is correct |
32 |
Correct |
3 ms |
796 KB |
Output is correct |
33 |
Correct |
3 ms |
800 KB |
Output is correct |
34 |
Correct |
2 ms |
804 KB |
Output is correct |
35 |
Correct |
2 ms |
936 KB |
Output is correct |
36 |
Correct |
2 ms |
956 KB |
Output is correct |
37 |
Correct |
3 ms |
988 KB |
Output is correct |
38 |
Correct |
2 ms |
988 KB |
Output is correct |
39 |
Correct |
2 ms |
988 KB |
Output is correct |
40 |
Correct |
2 ms |
988 KB |
Output is correct |
41 |
Correct |
2 ms |
988 KB |
Output is correct |
42 |
Correct |
3 ms |
988 KB |
Output is correct |
43 |
Correct |
3 ms |
988 KB |
Output is correct |
44 |
Correct |
3 ms |
988 KB |
Output is correct |
45 |
Correct |
2 ms |
988 KB |
Output is correct |
46 |
Correct |
2 ms |
988 KB |
Output is correct |
47 |
Correct |
2 ms |
988 KB |
Output is correct |
48 |
Correct |
3 ms |
988 KB |
Output is correct |
49 |
Correct |
2 ms |
988 KB |
Output is correct |
50 |
Correct |
2 ms |
988 KB |
Output is correct |
51 |
Correct |
2 ms |
988 KB |
Output is correct |
52 |
Correct |
2 ms |
988 KB |
Output is correct |
53 |
Correct |
2 ms |
988 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
2 ms |
376 KB |
Output is correct |
2 |
Correct |
2 ms |
512 KB |
Output is correct |
3 |
Correct |
2 ms |
512 KB |
Output is correct |
4 |
Correct |
2 ms |
596 KB |
Output is correct |
5 |
Correct |
2 ms |
596 KB |
Output is correct |
6 |
Correct |
2 ms |
596 KB |
Output is correct |
7 |
Correct |
2 ms |
596 KB |
Output is correct |
8 |
Correct |
2 ms |
596 KB |
Output is correct |
9 |
Correct |
2 ms |
688 KB |
Output is correct |
10 |
Correct |
2 ms |
732 KB |
Output is correct |
11 |
Correct |
2 ms |
732 KB |
Output is correct |
12 |
Correct |
3 ms |
732 KB |
Output is correct |
13 |
Correct |
2 ms |
764 KB |
Output is correct |
14 |
Correct |
2 ms |
764 KB |
Output is correct |
15 |
Correct |
2 ms |
764 KB |
Output is correct |
16 |
Correct |
3 ms |
764 KB |
Output is correct |
17 |
Correct |
2 ms |
764 KB |
Output is correct |
18 |
Correct |
2 ms |
764 KB |
Output is correct |
19 |
Correct |
2 ms |
764 KB |
Output is correct |
20 |
Correct |
2 ms |
764 KB |
Output is correct |
21 |
Correct |
2 ms |
764 KB |
Output is correct |
22 |
Correct |
2 ms |
764 KB |
Output is correct |
23 |
Correct |
2 ms |
764 KB |
Output is correct |
24 |
Correct |
2 ms |
776 KB |
Output is correct |
25 |
Correct |
2 ms |
792 KB |
Output is correct |
26 |
Correct |
3 ms |
792 KB |
Output is correct |
27 |
Correct |
2 ms |
792 KB |
Output is correct |
28 |
Correct |
2 ms |
792 KB |
Output is correct |
29 |
Correct |
2 ms |
792 KB |
Output is correct |
30 |
Correct |
2 ms |
792 KB |
Output is correct |
31 |
Correct |
2 ms |
792 KB |
Output is correct |
32 |
Correct |
3 ms |
796 KB |
Output is correct |
33 |
Correct |
3 ms |
800 KB |
Output is correct |
34 |
Correct |
2 ms |
804 KB |
Output is correct |
35 |
Correct |
2 ms |
936 KB |
Output is correct |
36 |
Correct |
2 ms |
956 KB |
Output is correct |
37 |
Correct |
3 ms |
988 KB |
Output is correct |
38 |
Correct |
2 ms |
988 KB |
Output is correct |
39 |
Correct |
2 ms |
988 KB |
Output is correct |
40 |
Correct |
2 ms |
988 KB |
Output is correct |
41 |
Correct |
2 ms |
988 KB |
Output is correct |
42 |
Correct |
3 ms |
988 KB |
Output is correct |
43 |
Correct |
3 ms |
988 KB |
Output is correct |
44 |
Correct |
3 ms |
988 KB |
Output is correct |
45 |
Correct |
2 ms |
988 KB |
Output is correct |
46 |
Correct |
2 ms |
988 KB |
Output is correct |
47 |
Correct |
2 ms |
988 KB |
Output is correct |
48 |
Correct |
3 ms |
988 KB |
Output is correct |
49 |
Correct |
2 ms |
988 KB |
Output is correct |
50 |
Correct |
2 ms |
988 KB |
Output is correct |
51 |
Correct |
2 ms |
988 KB |
Output is correct |
52 |
Correct |
2 ms |
988 KB |
Output is correct |
53 |
Correct |
2 ms |
988 KB |
Output is correct |
54 |
Correct |
31 ms |
988 KB |
Output is correct |
55 |
Correct |
19 ms |
9856 KB |
Output is correct |
56 |
Correct |
31 ms |
9856 KB |
Output is correct |
57 |
Correct |
14 ms |
9856 KB |
Output is correct |
58 |
Correct |
46 ms |
9856 KB |
Output is correct |
59 |
Correct |
374 ms |
19644 KB |
Output is correct |
60 |
Correct |
388 ms |
28500 KB |
Output is correct |
61 |
Correct |
398 ms |
37440 KB |
Output is correct |
62 |
Correct |
28 ms |
37440 KB |
Output is correct |
63 |
Correct |
388 ms |
46004 KB |
Output is correct |
64 |
Correct |
302 ms |
54712 KB |
Output is correct |
65 |
Correct |
312 ms |
63496 KB |
Output is correct |
66 |
Correct |
287 ms |
72416 KB |
Output is correct |
67 |
Correct |
332 ms |
81304 KB |
Output is correct |
68 |
Correct |
307 ms |
89992 KB |
Output is correct |
69 |
Correct |
304 ms |
98900 KB |
Output is correct |
70 |
Correct |
37 ms |
98900 KB |
Output is correct |
71 |
Correct |
36 ms |
98900 KB |
Output is correct |
72 |
Correct |
36 ms |
98900 KB |
Output is correct |
73 |
Correct |
40 ms |
98900 KB |
Output is correct |
74 |
Correct |
53 ms |
98900 KB |
Output is correct |
75 |
Correct |
36 ms |
98900 KB |
Output is correct |
76 |
Correct |
38 ms |
99784 KB |
Output is correct |
77 |
Correct |
37 ms |
100848 KB |
Output is correct |
78 |
Correct |
37 ms |
101872 KB |
Output is correct |
79 |
Correct |
37 ms |
102728 KB |
Output is correct |
80 |
Correct |
37 ms |
103708 KB |
Output is correct |
81 |
Correct |
38 ms |
104692 KB |
Output is correct |
82 |
Correct |
38 ms |
105668 KB |
Output is correct |
83 |
Correct |
37 ms |
106648 KB |
Output is correct |
84 |
Correct |
38 ms |
107644 KB |
Output is correct |
85 |
Correct |
37 ms |
108624 KB |
Output is correct |
86 |
Correct |
50 ms |
109604 KB |
Output is correct |
87 |
Correct |
37 ms |
110600 KB |
Output is correct |
88 |
Correct |
38 ms |
111596 KB |
Output is correct |
89 |
Correct |
37 ms |
112580 KB |
Output is correct |
90 |
Correct |
54 ms |
113476 KB |
Output is correct |