#include <bits/stdc++.h>
using namespace std;
#define si short int
#define pii pair<si, si>
#define fi first
#define se second
pii dir[4]={{0, 1}, {0, -1}, {1, 0}, {-1, 0}};
vector<pii> vec, tmp;
string a[4001];
si n, m;
void dfs(pii u)
{
char x=a[u.fi][u.se];
a[u.fi][u.se]='.';
for (pii i:dir)
{
pii v=u;
v.fi+=i.fi;
v.se+=i.se;
if (a[v.fi][v.se]!='.')
{
if (a[v.fi][v.se]==x)
dfs(v);
else
tmp.push_back(v);
}
}
}
int main()
{
ios::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
cin >> n >> m;
for (si i=0; i<=m+1; i++)
a[0].push_back('.');
for (si i=1; i<=n; i++)
{
a[i].push_back('.');
for (si j=1; j<=m; j++)
{
char x;
cin >> x;
a[i].push_back(x);
}
a[i].push_back('.');
}
for (si i=0; i<=m+1; i++)
a[n+1].push_back('.');
int ans=0;
tmp.push_back({1, 1});
while (!tmp.empty())
{
vec=tmp;
tmp.clear();
for (pii u:vec)
dfs(u);
ans++;
}
cout << ans;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
20 ms |
1236 KB |
Output is correct |
| 2 |
Correct |
0 ms |
340 KB |
Output is correct |
| 3 |
Correct |
1 ms |
340 KB |
Output is correct |
| 4 |
Correct |
9 ms |
1876 KB |
Output is correct |
| 5 |
Correct |
3 ms |
596 KB |
Output is correct |
| 6 |
Correct |
0 ms |
340 KB |
Output is correct |
| 7 |
Correct |
1 ms |
340 KB |
Output is correct |
| 8 |
Correct |
1 ms |
468 KB |
Output is correct |
| 9 |
Correct |
1 ms |
468 KB |
Output is correct |
| 10 |
Correct |
3 ms |
596 KB |
Output is correct |
| 11 |
Correct |
3 ms |
1108 KB |
Output is correct |
| 12 |
Correct |
7 ms |
724 KB |
Output is correct |
| 13 |
Correct |
3 ms |
596 KB |
Output is correct |
| 14 |
Correct |
3 ms |
596 KB |
Output is correct |
| 15 |
Correct |
15 ms |
1132 KB |
Output is correct |
| 16 |
Correct |
19 ms |
1264 KB |
Output is correct |
| 17 |
Correct |
10 ms |
980 KB |
Output is correct |
| 18 |
Correct |
10 ms |
1876 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
2 ms |
724 KB |
Output is correct |
| 2 |
Correct |
59 ms |
3020 KB |
Output is correct |
| 3 |
Runtime error |
312 ms |
61752 KB |
Execution killed with signal 11 |
| 4 |
Correct |
90 ms |
7884 KB |
Output is correct |
| 5 |
Correct |
283 ms |
12368 KB |
Output is correct |
| 6 |
Runtime error |
312 ms |
61720 KB |
Execution killed with signal 11 |
| 7 |
Runtime error |
2 ms |
724 KB |
Execution killed with signal 11 |
| 8 |
Correct |
2 ms |
724 KB |
Output is correct |
| 9 |
Correct |
3 ms |
980 KB |
Output is correct |
| 10 |
Correct |
2 ms |
852 KB |
Output is correct |
| 11 |
Correct |
2 ms |
724 KB |
Output is correct |
| 12 |
Correct |
1 ms |
468 KB |
Output is correct |
| 13 |
Correct |
59 ms |
3012 KB |
Output is correct |
| 14 |
Correct |
33 ms |
2268 KB |
Output is correct |
| 15 |
Correct |
28 ms |
2516 KB |
Output is correct |
| 16 |
Correct |
32 ms |
1404 KB |
Output is correct |
| 17 |
Correct |
150 ms |
8516 KB |
Output is correct |
| 18 |
Correct |
111 ms |
8228 KB |
Output is correct |
| 19 |
Correct |
92 ms |
7824 KB |
Output is correct |
| 20 |
Correct |
100 ms |
7416 KB |
Output is correct |
| 21 |
Correct |
247 ms |
12764 KB |
Output is correct |
| 22 |
Correct |
275 ms |
12316 KB |
Output is correct |
| 23 |
Correct |
303 ms |
10432 KB |
Output is correct |
| 24 |
Correct |
242 ms |
12692 KB |
Output is correct |
| 25 |
Runtime error |
313 ms |
61768 KB |
Execution killed with signal 11 |
| 26 |
Runtime error |
767 ms |
1048576 KB |
Execution killed with signal 9 |
| 27 |
Runtime error |
309 ms |
61928 KB |
Execution killed with signal 11 |
| 28 |
Runtime error |
309 ms |
61896 KB |
Execution killed with signal 11 |
| 29 |
Runtime error |
314 ms |
61864 KB |
Execution killed with signal 11 |
| 30 |
Correct |
828 ms |
174452 KB |
Output is correct |
| 31 |
Correct |
758 ms |
15072 KB |
Output is correct |
| 32 |
Runtime error |
315 ms |
61848 KB |
Execution killed with signal 11 |
