//by szh
#include<bits/stdc++.h>
using namespace std;
#define fi first
#define se second
#define pii pair<int,int>
#define pll pair<long long,long long>
#define pb push_back
#define debug(x) cerr<<#x<<"="<<x<<endl
#define pq priority_queue
#define inf 0x3f
#define rep(i,a,b) for (int i=a;i<(b);i++)
#define MP make_pair
#define SZ(x) (int(x.size()))
#define ll long long
#define mod 1000000007
#define ALL(x) x.begin(),x.end()
void inc(int &a,int b) {a=(a+b)%mod;}
void dec(int &a,int b) {a=(a-b+mod)%mod;}
int lowbit(int x) {return x&(-x);}
ll p0w(ll base,ll p) {ll ret=1;while(p>0){if (p%2ll==1ll) ret=ret*base%mod;base=base*base%mod;p/=2ll;}return ret;}
const int maxn = 3010;
int n,m;
int grid[maxn][maxn];
int dp[maxn][maxn][2];
int main() {
// freopen("input.txt","r",stdin);
std::ios::sync_with_stdio(false);cin.tie(0);
cin>>n>>m;
memset(grid,-1,sizeof(grid));
rep(i,1,n+1) {
string s;cin>>s;
rep(j,1,m+1) {
if (s[j-1]=='R') grid[i][j]=0;
else if (s[j-1]=='G') grid[i][j]=1;
else grid[i][j]=2;
}
}
int ans = 0;
rep(i,1,n+1)
rep(j,1,m+1) {
if (grid[i][j]==1) {
dp[i][j][0] = dp[i][j][1] = max(dp[i-1][j+1][1],dp[i-1][j+1][0]);
if (grid[i-1][j]==0 and grid[i+1][j]==2) dp[i][j][1] = max(dp[i][j][1],dp[i-1][j+1][1] + 1);
if (grid[i][j-1]==0 and grid[i][j+1]==2) dp[i][j][0] = max(dp[i][j][0],dp[i-1][j+1][0] + 1);
if (grid[i+1][j-1]!=1) ans += max(dp[i][j][0],dp[i][j][1]);
}
}
cout<<ans;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
35668 KB |
Output is correct |
2 |
Correct |
16 ms |
35668 KB |
Output is correct |
3 |
Correct |
16 ms |
35684 KB |
Output is correct |
4 |
Correct |
15 ms |
35780 KB |
Output is correct |
5 |
Correct |
15 ms |
35668 KB |
Output is correct |
6 |
Correct |
19 ms |
35716 KB |
Output is correct |
7 |
Correct |
16 ms |
35740 KB |
Output is correct |
8 |
Correct |
16 ms |
35796 KB |
Output is correct |
9 |
Correct |
17 ms |
35676 KB |
Output is correct |
10 |
Correct |
15 ms |
35676 KB |
Output is correct |
11 |
Correct |
16 ms |
35796 KB |
Output is correct |
12 |
Correct |
17 ms |
35812 KB |
Output is correct |
13 |
Correct |
17 ms |
35768 KB |
Output is correct |
14 |
Correct |
15 ms |
35668 KB |
Output is correct |
15 |
Correct |
18 ms |
35916 KB |
Output is correct |
16 |
Correct |
18 ms |
35780 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
35668 KB |
Output is correct |
2 |
Correct |
16 ms |
35668 KB |
Output is correct |
3 |
Correct |
16 ms |
35684 KB |
Output is correct |
4 |
Correct |
15 ms |
35780 KB |
Output is correct |
5 |
Correct |
15 ms |
35668 KB |
Output is correct |
6 |
Correct |
19 ms |
35716 KB |
Output is correct |
7 |
Correct |
16 ms |
35740 KB |
Output is correct |
8 |
Correct |
16 ms |
35796 KB |
Output is correct |
9 |
Correct |
17 ms |
35676 KB |
Output is correct |
10 |
Correct |
15 ms |
35676 KB |
Output is correct |
11 |
Correct |
16 ms |
35796 KB |
Output is correct |
12 |
Correct |
17 ms |
35812 KB |
Output is correct |
13 |
Correct |
17 ms |
35768 KB |
Output is correct |
14 |
Correct |
15 ms |
35668 KB |
Output is correct |
15 |
Correct |
18 ms |
35916 KB |
Output is correct |
16 |
Correct |
18 ms |
35780 KB |
Output is correct |
17 |
Correct |
17 ms |
35784 KB |
Output is correct |
18 |
Correct |
19 ms |
35724 KB |
Output is correct |
19 |
Correct |
15 ms |
35788 KB |
Output is correct |
20 |
Correct |
16 ms |
35796 KB |
Output is correct |
21 |
Correct |
19 ms |
35868 KB |
Output is correct |
22 |
Correct |
16 ms |
35796 KB |
Output is correct |
23 |
Correct |
16 ms |
35780 KB |
Output is correct |
24 |
Correct |
18 ms |
35796 KB |
Output is correct |
25 |
Correct |
16 ms |
35796 KB |
Output is correct |
26 |
Correct |
16 ms |
35668 KB |
Output is correct |
27 |
Correct |
17 ms |
35784 KB |
Output is correct |
28 |
Correct |
16 ms |
35832 KB |
Output is correct |
29 |
Correct |
17 ms |
35796 KB |
Output is correct |
30 |
Correct |
15 ms |
35756 KB |
Output is correct |
31 |
Correct |
16 ms |
35796 KB |
Output is correct |
32 |
Correct |
16 ms |
35756 KB |
Output is correct |
33 |
Correct |
18 ms |
35788 KB |
Output is correct |
34 |
Correct |
16 ms |
35800 KB |
Output is correct |
35 |
Correct |
16 ms |
35772 KB |
Output is correct |
36 |
Correct |
16 ms |
35740 KB |
Output is correct |
37 |
Correct |
16 ms |
35804 KB |
Output is correct |
38 |
Correct |
19 ms |
35796 KB |
Output is correct |
39 |
Correct |
19 ms |
35712 KB |
Output is correct |
40 |
Correct |
20 ms |
35712 KB |
Output is correct |
41 |
Correct |
20 ms |
35800 KB |
Output is correct |
42 |
Correct |
18 ms |
35796 KB |
Output is correct |
43 |
Correct |
14 ms |
35796 KB |
Output is correct |
44 |
Correct |
15 ms |
35792 KB |
Output is correct |
45 |
Correct |
16 ms |
35812 KB |
Output is correct |
46 |
Correct |
19 ms |
35768 KB |
Output is correct |
47 |
Correct |
15 ms |
35772 KB |
Output is correct |
48 |
Correct |
17 ms |
35776 KB |
Output is correct |
49 |
Correct |
16 ms |
35888 KB |
Output is correct |
50 |
Correct |
17 ms |
35768 KB |
Output is correct |
51 |
Correct |
16 ms |
35796 KB |
Output is correct |
52 |
Correct |
15 ms |
35804 KB |
Output is correct |
53 |
Correct |
15 ms |
35796 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
16 ms |
35668 KB |
Output is correct |
2 |
Correct |
16 ms |
35668 KB |
Output is correct |
3 |
Correct |
16 ms |
35684 KB |
Output is correct |
4 |
Correct |
15 ms |
35780 KB |
Output is correct |
5 |
Correct |
15 ms |
35668 KB |
Output is correct |
6 |
Correct |
19 ms |
35716 KB |
Output is correct |
7 |
Correct |
16 ms |
35740 KB |
Output is correct |
8 |
Correct |
16 ms |
35796 KB |
Output is correct |
9 |
Correct |
17 ms |
35676 KB |
Output is correct |
10 |
Correct |
15 ms |
35676 KB |
Output is correct |
11 |
Correct |
16 ms |
35796 KB |
Output is correct |
12 |
Correct |
17 ms |
35812 KB |
Output is correct |
13 |
Correct |
17 ms |
35768 KB |
Output is correct |
14 |
Correct |
15 ms |
35668 KB |
Output is correct |
15 |
Correct |
18 ms |
35916 KB |
Output is correct |
16 |
Correct |
18 ms |
35780 KB |
Output is correct |
17 |
Correct |
17 ms |
35784 KB |
Output is correct |
18 |
Correct |
19 ms |
35724 KB |
Output is correct |
19 |
Correct |
15 ms |
35788 KB |
Output is correct |
20 |
Correct |
16 ms |
35796 KB |
Output is correct |
21 |
Correct |
19 ms |
35868 KB |
Output is correct |
22 |
Correct |
16 ms |
35796 KB |
Output is correct |
23 |
Correct |
16 ms |
35780 KB |
Output is correct |
24 |
Correct |
18 ms |
35796 KB |
Output is correct |
25 |
Correct |
16 ms |
35796 KB |
Output is correct |
26 |
Correct |
16 ms |
35668 KB |
Output is correct |
27 |
Correct |
17 ms |
35784 KB |
Output is correct |
28 |
Correct |
16 ms |
35832 KB |
Output is correct |
29 |
Correct |
17 ms |
35796 KB |
Output is correct |
30 |
Correct |
15 ms |
35756 KB |
Output is correct |
31 |
Correct |
16 ms |
35796 KB |
Output is correct |
32 |
Correct |
16 ms |
35756 KB |
Output is correct |
33 |
Correct |
18 ms |
35788 KB |
Output is correct |
34 |
Correct |
16 ms |
35800 KB |
Output is correct |
35 |
Correct |
16 ms |
35772 KB |
Output is correct |
36 |
Correct |
16 ms |
35740 KB |
Output is correct |
37 |
Correct |
16 ms |
35804 KB |
Output is correct |
38 |
Correct |
19 ms |
35796 KB |
Output is correct |
39 |
Correct |
19 ms |
35712 KB |
Output is correct |
40 |
Correct |
20 ms |
35712 KB |
Output is correct |
41 |
Correct |
20 ms |
35800 KB |
Output is correct |
42 |
Correct |
18 ms |
35796 KB |
Output is correct |
43 |
Correct |
14 ms |
35796 KB |
Output is correct |
44 |
Correct |
15 ms |
35792 KB |
Output is correct |
45 |
Correct |
16 ms |
35812 KB |
Output is correct |
46 |
Correct |
19 ms |
35768 KB |
Output is correct |
47 |
Correct |
15 ms |
35772 KB |
Output is correct |
48 |
Correct |
17 ms |
35776 KB |
Output is correct |
49 |
Correct |
16 ms |
35888 KB |
Output is correct |
50 |
Correct |
17 ms |
35768 KB |
Output is correct |
51 |
Correct |
16 ms |
35796 KB |
Output is correct |
52 |
Correct |
15 ms |
35804 KB |
Output is correct |
53 |
Correct |
15 ms |
35796 KB |
Output is correct |
54 |
Correct |
15 ms |
35784 KB |
Output is correct |
55 |
Correct |
18 ms |
39928 KB |
Output is correct |
56 |
Correct |
15 ms |
35924 KB |
Output is correct |
57 |
Correct |
20 ms |
43732 KB |
Output is correct |
58 |
Correct |
39 ms |
48560 KB |
Output is correct |
59 |
Correct |
198 ms |
115316 KB |
Output is correct |
60 |
Correct |
184 ms |
115288 KB |
Output is correct |
61 |
Correct |
206 ms |
115196 KB |
Output is correct |
62 |
Correct |
19 ms |
35732 KB |
Output is correct |
63 |
Correct |
194 ms |
115028 KB |
Output is correct |
64 |
Correct |
74 ms |
115300 KB |
Output is correct |
65 |
Correct |
90 ms |
115404 KB |
Output is correct |
66 |
Correct |
78 ms |
115336 KB |
Output is correct |
67 |
Correct |
63 ms |
76132 KB |
Output is correct |
68 |
Correct |
71 ms |
98516 KB |
Output is correct |
69 |
Correct |
96 ms |
115272 KB |
Output is correct |
70 |
Correct |
24 ms |
48604 KB |
Output is correct |
71 |
Correct |
25 ms |
48632 KB |
Output is correct |
72 |
Correct |
23 ms |
48588 KB |
Output is correct |
73 |
Correct |
23 ms |
48612 KB |
Output is correct |
74 |
Correct |
29 ms |
48596 KB |
Output is correct |
75 |
Correct |
34 ms |
48584 KB |
Output is correct |
76 |
Correct |
28 ms |
48564 KB |
Output is correct |
77 |
Correct |
24 ms |
48568 KB |
Output is correct |
78 |
Correct |
24 ms |
48588 KB |
Output is correct |
79 |
Correct |
25 ms |
48584 KB |
Output is correct |
80 |
Correct |
23 ms |
48580 KB |
Output is correct |
81 |
Correct |
25 ms |
48588 KB |
Output is correct |
82 |
Correct |
24 ms |
48564 KB |
Output is correct |
83 |
Correct |
24 ms |
48660 KB |
Output is correct |
84 |
Correct |
23 ms |
48592 KB |
Output is correct |
85 |
Correct |
24 ms |
48584 KB |
Output is correct |
86 |
Correct |
26 ms |
48564 KB |
Output is correct |
87 |
Correct |
31 ms |
48588 KB |
Output is correct |
88 |
Correct |
30 ms |
48596 KB |
Output is correct |
89 |
Correct |
26 ms |
48548 KB |
Output is correct |
90 |
Correct |
28 ms |
48560 KB |
Output is correct |