#include<bits/stdc++.h>
typedef long long ll;
#define pb push_back
#define mp make_pair
#define fi first
#define se second
using namespace std;
ll n,m,i,j,has,te;
char a[3030][3030];
int p[9000010];
int x[9000010];
int b[9000010];
int mat[9000010];
vector<ll> v[9000010];
ll dfs(ll aa)
{
if(b[aa]==i)
return 0;
b[aa]=1;
ll ii;
for(ii=0;ii<v[aa].size();ii++)
if(mat[v[aa][ii]]==-1||dfs(v[aa][ii]))
{
mat[v[aa][ii]]=aa;
return 1;
}
return 0;
}
int main()
{
ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
cin>>n>>m;
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
p[(i-1)*m+j]=(i-1)*m+j;
cin>>a[i][j];
}
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
if(j+2<=m&&a[i][j]=='R'&&a[i][j+1]=='G'&&a[i][j+2]=='W')
{
te++;
has++;
x[(i-1)*m+j]=te;
x[(i-1)*m+j+1]=te;
x[(i-1)*m+j+2]=te;
}
}
for(i=1;i<=n;i++)
for(j=1;j<=m;j++)
{
if(i+2<=n&&a[i][j]=='R'&&a[i+1][j]=='G'&&a[i+2][j]=='W')
{
te++;
has++;
if(x[(i-1)*m+j]!=0)
{
v[te].pb(x[(i-1)*m+j]);
}
if(x[(i)*m+j]!=0)
{
v[te].pb(x[(i)*m+j]);
}
if(x[(i+1)*m+j]!=0)
{
v[te].pb(x[(i+1)*m+j]);
}
}
}
memset(mat,-1,sizeof(mat));
for(i=1;i<=te;i++)
{
has-=dfs(i);
}
cout<<has<<"\n";
}
Compilation message
dango_maker.cpp: In function 'll dfs(ll)':
dango_maker.cpp:21:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare]
for(ii=0;ii<v[aa].size();ii++)
~~^~~~~~~~~~~~~
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
205 ms |
247024 KB |
Output is correct |
2 |
Correct |
201 ms |
246904 KB |
Output is correct |
3 |
Correct |
220 ms |
246892 KB |
Output is correct |
4 |
Correct |
212 ms |
247100 KB |
Output is correct |
5 |
Correct |
209 ms |
246904 KB |
Output is correct |
6 |
Correct |
217 ms |
246976 KB |
Output is correct |
7 |
Correct |
218 ms |
246904 KB |
Output is correct |
8 |
Correct |
215 ms |
246904 KB |
Output is correct |
9 |
Correct |
213 ms |
247004 KB |
Output is correct |
10 |
Correct |
202 ms |
246904 KB |
Output is correct |
11 |
Correct |
209 ms |
246904 KB |
Output is correct |
12 |
Correct |
208 ms |
247076 KB |
Output is correct |
13 |
Correct |
214 ms |
246904 KB |
Output is correct |
14 |
Correct |
212 ms |
246904 KB |
Output is correct |
15 |
Correct |
212 ms |
246904 KB |
Output is correct |
16 |
Correct |
204 ms |
246948 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
205 ms |
247024 KB |
Output is correct |
2 |
Correct |
201 ms |
246904 KB |
Output is correct |
3 |
Correct |
220 ms |
246892 KB |
Output is correct |
4 |
Correct |
212 ms |
247100 KB |
Output is correct |
5 |
Correct |
209 ms |
246904 KB |
Output is correct |
6 |
Correct |
217 ms |
246976 KB |
Output is correct |
7 |
Correct |
218 ms |
246904 KB |
Output is correct |
8 |
Correct |
215 ms |
246904 KB |
Output is correct |
9 |
Correct |
213 ms |
247004 KB |
Output is correct |
10 |
Correct |
202 ms |
246904 KB |
Output is correct |
11 |
Correct |
209 ms |
246904 KB |
Output is correct |
12 |
Correct |
208 ms |
247076 KB |
Output is correct |
13 |
Correct |
214 ms |
246904 KB |
Output is correct |
14 |
Correct |
212 ms |
246904 KB |
Output is correct |
15 |
Correct |
212 ms |
246904 KB |
Output is correct |
16 |
Correct |
204 ms |
246948 KB |
Output is correct |
17 |
Correct |
207 ms |
247000 KB |
Output is correct |
18 |
Correct |
202 ms |
246904 KB |
Output is correct |
19 |
Correct |
204 ms |
247032 KB |
Output is correct |
20 |
Correct |
202 ms |
246904 KB |
Output is correct |
21 |
Correct |
215 ms |
246904 KB |
Output is correct |
22 |
Correct |
208 ms |
247032 KB |
Output is correct |
23 |
Correct |
211 ms |
246904 KB |
Output is correct |
24 |
Correct |
210 ms |
246956 KB |
Output is correct |
25 |
Correct |
212 ms |
247104 KB |
Output is correct |
26 |
Correct |
230 ms |
246904 KB |
Output is correct |
27 |
Correct |
202 ms |
246908 KB |
Output is correct |
28 |
Correct |
208 ms |
247032 KB |
Output is correct |
29 |
Correct |
216 ms |
247136 KB |
Output is correct |
30 |
Correct |
215 ms |
247100 KB |
Output is correct |
31 |
Correct |
217 ms |
247032 KB |
Output is correct |
32 |
Correct |
213 ms |
247136 KB |
Output is correct |
33 |
Correct |
210 ms |
247032 KB |
Output is correct |
34 |
Correct |
210 ms |
247032 KB |
Output is correct |
35 |
Correct |
214 ms |
246904 KB |
Output is correct |
36 |
Correct |
212 ms |
246996 KB |
Output is correct |
37 |
Correct |
210 ms |
247036 KB |
Output is correct |
38 |
Correct |
210 ms |
246940 KB |
Output is correct |
39 |
Correct |
211 ms |
246904 KB |
Output is correct |
40 |
Correct |
208 ms |
246904 KB |
Output is correct |
41 |
Correct |
212 ms |
246968 KB |
Output is correct |
42 |
Correct |
221 ms |
247032 KB |
Output is correct |
43 |
Correct |
209 ms |
246904 KB |
Output is correct |
44 |
Correct |
203 ms |
247008 KB |
Output is correct |
45 |
Correct |
204 ms |
247032 KB |
Output is correct |
46 |
Correct |
205 ms |
247028 KB |
Output is correct |
47 |
Correct |
215 ms |
247312 KB |
Output is correct |
48 |
Correct |
239 ms |
246904 KB |
Output is correct |
49 |
Correct |
210 ms |
247032 KB |
Output is correct |
50 |
Correct |
201 ms |
247036 KB |
Output is correct |
51 |
Correct |
214 ms |
246904 KB |
Output is correct |
52 |
Correct |
211 ms |
247032 KB |
Output is correct |
53 |
Correct |
212 ms |
247032 KB |
Output is correct |
# |
Verdict |
Execution time |
Memory |
Grader output |
1 |
Correct |
205 ms |
247024 KB |
Output is correct |
2 |
Correct |
201 ms |
246904 KB |
Output is correct |
3 |
Correct |
220 ms |
246892 KB |
Output is correct |
4 |
Correct |
212 ms |
247100 KB |
Output is correct |
5 |
Correct |
209 ms |
246904 KB |
Output is correct |
6 |
Correct |
217 ms |
246976 KB |
Output is correct |
7 |
Correct |
218 ms |
246904 KB |
Output is correct |
8 |
Correct |
215 ms |
246904 KB |
Output is correct |
9 |
Correct |
213 ms |
247004 KB |
Output is correct |
10 |
Correct |
202 ms |
246904 KB |
Output is correct |
11 |
Correct |
209 ms |
246904 KB |
Output is correct |
12 |
Correct |
208 ms |
247076 KB |
Output is correct |
13 |
Correct |
214 ms |
246904 KB |
Output is correct |
14 |
Correct |
212 ms |
246904 KB |
Output is correct |
15 |
Correct |
212 ms |
246904 KB |
Output is correct |
16 |
Correct |
204 ms |
246948 KB |
Output is correct |
17 |
Correct |
207 ms |
247000 KB |
Output is correct |
18 |
Correct |
202 ms |
246904 KB |
Output is correct |
19 |
Correct |
204 ms |
247032 KB |
Output is correct |
20 |
Correct |
202 ms |
246904 KB |
Output is correct |
21 |
Correct |
215 ms |
246904 KB |
Output is correct |
22 |
Correct |
208 ms |
247032 KB |
Output is correct |
23 |
Correct |
211 ms |
246904 KB |
Output is correct |
24 |
Correct |
210 ms |
246956 KB |
Output is correct |
25 |
Correct |
212 ms |
247104 KB |
Output is correct |
26 |
Correct |
230 ms |
246904 KB |
Output is correct |
27 |
Correct |
202 ms |
246908 KB |
Output is correct |
28 |
Correct |
208 ms |
247032 KB |
Output is correct |
29 |
Correct |
216 ms |
247136 KB |
Output is correct |
30 |
Correct |
215 ms |
247100 KB |
Output is correct |
31 |
Correct |
217 ms |
247032 KB |
Output is correct |
32 |
Correct |
213 ms |
247136 KB |
Output is correct |
33 |
Correct |
210 ms |
247032 KB |
Output is correct |
34 |
Correct |
210 ms |
247032 KB |
Output is correct |
35 |
Correct |
214 ms |
246904 KB |
Output is correct |
36 |
Correct |
212 ms |
246996 KB |
Output is correct |
37 |
Correct |
210 ms |
247036 KB |
Output is correct |
38 |
Correct |
210 ms |
246940 KB |
Output is correct |
39 |
Correct |
211 ms |
246904 KB |
Output is correct |
40 |
Correct |
208 ms |
246904 KB |
Output is correct |
41 |
Correct |
212 ms |
246968 KB |
Output is correct |
42 |
Correct |
221 ms |
247032 KB |
Output is correct |
43 |
Correct |
209 ms |
246904 KB |
Output is correct |
44 |
Correct |
203 ms |
247008 KB |
Output is correct |
45 |
Correct |
204 ms |
247032 KB |
Output is correct |
46 |
Correct |
205 ms |
247028 KB |
Output is correct |
47 |
Correct |
215 ms |
247312 KB |
Output is correct |
48 |
Correct |
239 ms |
246904 KB |
Output is correct |
49 |
Correct |
210 ms |
247032 KB |
Output is correct |
50 |
Correct |
201 ms |
247036 KB |
Output is correct |
51 |
Correct |
214 ms |
246904 KB |
Output is correct |
52 |
Correct |
211 ms |
247032 KB |
Output is correct |
53 |
Correct |
212 ms |
247032 KB |
Output is correct |
54 |
Correct |
211 ms |
247056 KB |
Output is correct |
55 |
Correct |
217 ms |
255884 KB |
Output is correct |
56 |
Correct |
203 ms |
247160 KB |
Output is correct |
57 |
Correct |
207 ms |
253048 KB |
Output is correct |
58 |
Correct |
238 ms |
259576 KB |
Output is correct |
59 |
Runtime error |
323 ms |
262144 KB |
Execution killed with signal 9 (could be triggered by violating memory limits) |
60 |
Halted |
0 ms |
0 KB |
- |