#include <iostream>
#include <vector>
#define pb push_back
#define endl '\n'
using namespace std;
const int MAXN = 3e7+100;
vector<int> adj[MAXN];
char tp[MAXN];
int h, w, n;
string mat[4010];
int cnt;
bool used[MAXN];
void dfs(int v, int ld){
// cout << ld << ' ' << v << endl;
used[v] = 1;
for(int u : adj[v]){
if(used[u]) continue;
if(tp[u] == tp[v] || tp[u] == '-' || tp[v] == '-') dfs(u, ld);
else if(tp[v] != '-'){
adj[u].pb(n+ld);
adj[n+ld].pb(u);
// cout << u << "<->" << n+ld << endl;
}
}
}
int main(){
ios::sync_with_stdio(0);cin.tie(0);
cin >> h >> w;
n = h*w;
for(int i=0;i<h; i++) cin >> mat[i];
for(int i=0; i<h; i++){
for(int j=0; j<w; j++){
int v, u, u_;
v = (i*w) + j;
u = (i+1)*w + j;
u_ = i*w + j + 1;
tp[v] = mat[i][j];
if(tp[v] == '.') continue;
if(i < (h-1) && mat[i+1][j] != '.'){
adj[v].pb(u);
adj[u].pb(v);
}
if(j < (w-1) && mat[i][j+1] != '.'){
adj[v].pb(u_);
adj[u_].pb(v);
}
}
}
for(int i=0; i<n; i++){
if(used[i] || tp[i] == '.') continue;
used[i] = 1;
tp[cnt + n] = '-';
dfs(i, cnt);
cnt++;
}
cout << cnt << endl;
return 0;
}
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Correct |
234 ms |
720208 KB |
Output is correct |
| 2 |
Incorrect |
148 ms |
708200 KB |
Output isn't correct |
| 3 |
Incorrect |
154 ms |
708032 KB |
Output isn't correct |
| 4 |
Correct |
172 ms |
716120 KB |
Output is correct |
| 5 |
Incorrect |
152 ms |
708952 KB |
Output isn't correct |
| 6 |
Incorrect |
150 ms |
708180 KB |
Output isn't correct |
| 7 |
Incorrect |
154 ms |
708252 KB |
Output isn't correct |
| 8 |
Correct |
152 ms |
708360 KB |
Output is correct |
| 9 |
Incorrect |
152 ms |
708176 KB |
Output isn't correct |
| 10 |
Incorrect |
152 ms |
709528 KB |
Output isn't correct |
| 11 |
Correct |
158 ms |
710368 KB |
Output is correct |
| 12 |
Correct |
167 ms |
712316 KB |
Output is correct |
| 13 |
Incorrect |
155 ms |
708992 KB |
Output isn't correct |
| 14 |
Incorrect |
152 ms |
708944 KB |
Output isn't correct |
| 15 |
Correct |
184 ms |
717428 KB |
Output is correct |
| 16 |
Correct |
200 ms |
720216 KB |
Output is correct |
| 17 |
Incorrect |
174 ms |
713300 KB |
Output isn't correct |
| 18 |
Correct |
179 ms |
716180 KB |
Output is correct |
| # |
Verdict |
Execution time |
Memory |
Grader output |
| 1 |
Incorrect |
155 ms |
709108 KB |
Output isn't correct |
| 2 |
Incorrect |
269 ms |
742544 KB |
Output isn't correct |
| 3 |
Incorrect |
798 ms |
914272 KB |
Output isn't correct |
| 4 |
Incorrect |
302 ms |
741712 KB |
Output isn't correct |
| 5 |
Incorrect |
773 ms |
950880 KB |
Output isn't correct |
| 6 |
Runtime error |
964 ms |
1048576 KB |
Execution killed with signal 9 |
| 7 |
Incorrect |
149 ms |
708948 KB |
Output isn't correct |
| 8 |
Incorrect |
154 ms |
709244 KB |
Output isn't correct |
| 9 |
Incorrect |
155 ms |
709976 KB |
Output isn't correct |
| 10 |
Incorrect |
149 ms |
708692 KB |
Output isn't correct |
| 11 |
Incorrect |
151 ms |
708704 KB |
Output isn't correct |
| 12 |
Incorrect |
150 ms |
708792 KB |
Output isn't correct |
| 13 |
Incorrect |
276 ms |
742484 KB |
Output isn't correct |
| 14 |
Incorrect |
215 ms |
726864 KB |
Output isn't correct |
| 15 |
Incorrect |
212 ms |
721488 KB |
Output isn't correct |
| 16 |
Incorrect |
212 ms |
725840 KB |
Output isn't correct |
| 17 |
Incorrect |
444 ms |
792884 KB |
Output isn't correct |
| 18 |
Incorrect |
412 ms |
764212 KB |
Output isn't correct |
| 19 |
Incorrect |
297 ms |
741756 KB |
Output isn't correct |
| 20 |
Incorrect |
299 ms |
754348 KB |
Output isn't correct |
| 21 |
Incorrect |
531 ms |
829124 KB |
Output isn't correct |
| 22 |
Incorrect |
762 ms |
950860 KB |
Output isn't correct |
| 23 |
Incorrect |
738 ms |
873844 KB |
Output isn't correct |
| 24 |
Incorrect |
511 ms |
853844 KB |
Output isn't correct |
| 25 |
Incorrect |
1390 ms |
938176 KB |
Output isn't correct |
| 26 |
Runtime error |
927 ms |
1048576 KB |
Execution killed with signal 9 |
| 27 |
Runtime error |
939 ms |
1048576 KB |
Execution killed with signal 9 |
| 28 |
Runtime error |
921 ms |
1048576 KB |
Execution killed with signal 9 |
| 29 |
Runtime error |
927 ms |
1048576 KB |
Execution killed with signal 9 |
| 30 |
Runtime error |
929 ms |
1048576 KB |
Execution killed with signal 9 |
| 31 |
Runtime error |
948 ms |
1048576 KB |
Execution killed with signal 9 |
| 32 |
Runtime error |
998 ms |
1048576 KB |
Execution killed with signal 9 |
