#include <bits/stdc++.h>
#define P(x) do {if(debug) cout << x << endl;} while(false)
#define H(x) P(#x << ": " << x)
#define FR(i, a, b) for(int i = (a); i < (b); ++i)
#define F(i, n) FR(i, 0, n)
#define DR(i, a, b) for(int i = (b); i --> (a);)
#define D(i, n) DR(i, 0, n)
#define S(s) (int)(s).size()
#define ALL(x) (x).begin(), (x).end()
#define MI(x, a) (x) = min(x, a)
#define MA(x, a) (x) = max(x, a)
#define V vector
#define pb push_back
#define mp make_pair
using namespace std;
const bool debug = 0;
const int inf = 1e9;
int N,M;
vector<string> A;
bool vis[3002][3002][2];
bool isRGW(int x, int y, bool vh){ /*0 is horizontal 1 is vertical*/
if(x-vh>=0 && x+vh<N && y-1+vh>=0 && y+1-vh<M){
if(vh==0) return A[x][y] == 'G' && A[x][y-1] == 'R' && A[x][y+1] == 'W';
else return A[x][y] == 'G' && A[x-1][y] == 'R' && A[x+1][y] == 'W';
}
return false;
}
bool isleaf(int x, int y, bool vh){
return isRGW(x,y,vh) && isRGW(x,y,!vh) + isRGW(x-1,y+1,!vh) + isRGW(x+1,y-1,!vh) <= 1;
}
int v; int h;
void dfs(int x, int y, bool vh){
if(!isRGW(x,y,vh) || vis[x][y][vh]){
return;
}
vis[x][y][vh] = true;
if(vh){
v++;
}
else{
h++;
}
dfs(x,y,!vh);
dfs(x+1,y-1,!vh);
dfs(x-1,y+1,!vh);
}
signed main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
cin>>N>>M;
A.resize(N);
F(i,N){
cin>>A[i];
}
int ans = 0;
F(i,N) F(j,M) F(b,2){
if(isleaf(i,j,b)){
H(i);
H(j);
H(b);
A[i][j] = '0';
A[i+b][j+1-b] = '0';
A[i-b][j-1+b] = '0';
P("a");
ans++;
}
}
F(j,M) F(i,N) F(b,2){
if(isleaf(i,j,b)){
H(i);
H(j);
H(b);
A[i][j] = '0';
A[i+b][j+1-b] = '0';
A[i-b][j-1+b] = '0';
ans++;
}
}
F(i,N) F(j,M) F(b,2){
v = 0; h = 0;
dfs(i,j,b);
ans+=max(v,h);
}
cout<<ans<<endl;
return 0;
}
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
0 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
384 KB |
Output is correct |
40 |
Correct |
0 ms |
384 KB |
Output is correct |
41 |
Correct |
0 ms |
384 KB |
Output is correct |
42 |
Correct |
0 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
0 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
0 ms |
384 KB |
Output is correct |
51 |
Correct |
0 ms |
384 KB |
Output is correct |
52 |
Correct |
1 ms |
384 KB |
Output is correct |
53 |
Correct |
0 ms |
384 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
0 ms |
384 KB |
Output is correct |
2 |
Correct |
1 ms |
384 KB |
Output is correct |
3 |
Correct |
0 ms |
384 KB |
Output is correct |
4 |
Correct |
1 ms |
384 KB |
Output is correct |
5 |
Correct |
0 ms |
384 KB |
Output is correct |
6 |
Correct |
0 ms |
384 KB |
Output is correct |
7 |
Correct |
0 ms |
384 KB |
Output is correct |
8 |
Correct |
0 ms |
384 KB |
Output is correct |
9 |
Correct |
0 ms |
384 KB |
Output is correct |
10 |
Correct |
1 ms |
384 KB |
Output is correct |
11 |
Correct |
0 ms |
384 KB |
Output is correct |
12 |
Correct |
0 ms |
384 KB |
Output is correct |
13 |
Correct |
0 ms |
384 KB |
Output is correct |
14 |
Correct |
0 ms |
384 KB |
Output is correct |
15 |
Correct |
1 ms |
384 KB |
Output is correct |
16 |
Correct |
0 ms |
384 KB |
Output is correct |
17 |
Correct |
1 ms |
384 KB |
Output is correct |
18 |
Correct |
1 ms |
384 KB |
Output is correct |
19 |
Correct |
1 ms |
384 KB |
Output is correct |
20 |
Correct |
0 ms |
384 KB |
Output is correct |
21 |
Correct |
0 ms |
384 KB |
Output is correct |
22 |
Correct |
0 ms |
384 KB |
Output is correct |
23 |
Correct |
0 ms |
384 KB |
Output is correct |
24 |
Correct |
0 ms |
384 KB |
Output is correct |
25 |
Correct |
0 ms |
384 KB |
Output is correct |
26 |
Correct |
0 ms |
384 KB |
Output is correct |
27 |
Correct |
0 ms |
384 KB |
Output is correct |
28 |
Correct |
0 ms |
384 KB |
Output is correct |
29 |
Correct |
0 ms |
384 KB |
Output is correct |
30 |
Correct |
0 ms |
384 KB |
Output is correct |
31 |
Correct |
1 ms |
384 KB |
Output is correct |
32 |
Correct |
0 ms |
384 KB |
Output is correct |
33 |
Correct |
0 ms |
384 KB |
Output is correct |
34 |
Correct |
0 ms |
384 KB |
Output is correct |
35 |
Correct |
0 ms |
384 KB |
Output is correct |
36 |
Correct |
0 ms |
384 KB |
Output is correct |
37 |
Correct |
0 ms |
384 KB |
Output is correct |
38 |
Correct |
0 ms |
384 KB |
Output is correct |
39 |
Correct |
0 ms |
384 KB |
Output is correct |
40 |
Correct |
0 ms |
384 KB |
Output is correct |
41 |
Correct |
0 ms |
384 KB |
Output is correct |
42 |
Correct |
0 ms |
384 KB |
Output is correct |
43 |
Correct |
0 ms |
384 KB |
Output is correct |
44 |
Correct |
0 ms |
384 KB |
Output is correct |
45 |
Correct |
0 ms |
384 KB |
Output is correct |
46 |
Correct |
1 ms |
384 KB |
Output is correct |
47 |
Correct |
0 ms |
384 KB |
Output is correct |
48 |
Correct |
0 ms |
384 KB |
Output is correct |
49 |
Correct |
1 ms |
384 KB |
Output is correct |
50 |
Correct |
0 ms |
384 KB |
Output is correct |
51 |
Correct |
0 ms |
384 KB |
Output is correct |
52 |
Correct |
1 ms |
384 KB |
Output is correct |
53 |
Correct |
0 ms |
384 KB |
Output is correct |
54 |
Correct |
1 ms |
384 KB |
Output is correct |
55 |
Correct |
1 ms |
384 KB |
Output is correct |
56 |
Correct |
1 ms |
384 KB |
Output is correct |
57 |
Correct |
2 ms |
512 KB |
Output is correct |
58 |
Correct |
67 ms |
2476 KB |
Output is correct |
59 |
Correct |
585 ms |
16760 KB |
Output is correct |
60 |
Correct |
614 ms |
16964 KB |
Output is correct |
61 |
Correct |
598 ms |
25980 KB |
Output is correct |
62 |
Correct |
1 ms |
384 KB |
Output is correct |
63 |
Correct |
568 ms |
25080 KB |
Output is correct |
64 |
Correct |
462 ms |
20728 KB |
Output is correct |
65 |
Correct |
496 ms |
36600 KB |
Output is correct |
66 |
Correct |
756 ms |
36984 KB |
Output is correct |
67 |
Correct |
437 ms |
19064 KB |
Output is correct |
68 |
Correct |
463 ms |
19064 KB |
Output is correct |
69 |
Correct |
492 ms |
19008 KB |
Output is correct |
70 |
Correct |
50 ms |
4600 KB |
Output is correct |
71 |
Correct |
78 ms |
6392 KB |
Output is correct |
72 |
Correct |
57 ms |
6648 KB |
Output is correct |
73 |
Correct |
57 ms |
7576 KB |
Output is correct |
74 |
Correct |
59 ms |
7464 KB |
Output is correct |
75 |
Correct |
58 ms |
7700 KB |
Output is correct |
76 |
Correct |
62 ms |
7800 KB |
Output is correct |
77 |
Correct |
63 ms |
7800 KB |
Output is correct |
78 |
Correct |
61 ms |
7956 KB |
Output is correct |
79 |
Correct |
63 ms |
7928 KB |
Output is correct |
80 |
Correct |
63 ms |
7928 KB |
Output is correct |
81 |
Correct |
66 ms |
7928 KB |
Output is correct |
82 |
Correct |
66 ms |
8056 KB |
Output is correct |
83 |
Correct |
69 ms |
8100 KB |
Output is correct |
84 |
Correct |
67 ms |
8056 KB |
Output is correct |
85 |
Correct |
70 ms |
8056 KB |
Output is correct |
86 |
Correct |
68 ms |
8088 KB |
Output is correct |
87 |
Correct |
69 ms |
8184 KB |
Output is correct |
88 |
Correct |
69 ms |
8184 KB |
Output is correct |
89 |
Correct |
69 ms |
8056 KB |
Output is correct |
90 |
Correct |
70 ms |
8184 KB |
Output is correct |