#include <bits/stdc++.h>
using namespace std;
#define int long long
#define INF LLONG_MAX
#define endl '\n'
const int mod = 1000 * 1000 * 1000 + 7;
const int N = 100005;
#define f first
#define s second
#define rep(i, a, b) for(int i = (a); i < (b); i++)
#define rrep(i, a, b) for(int i = (a); i > (b); i--)
#define vi vector<int>
#define pii pair<int, int>
mt19937_64 RNG(chrono::steady_clock::now().time_since_epoch().count());
int dx[4] = {1,0,-1,0};
int dy[4] = {0,1,0,-1};
struct edge {
int xx , yy , val;
bool operator < (const edge& other) const {
return val > other.val; // Compare based on distance
}
};
void Solve() {
int r , c , n; cin >> r >> c >> n;
int sr , sc; cin >> sr >> sc;
int gr, gc; cin >> gr >> gc;
vector<vector<int>> vis(r + 3, vector<int>(c + 3));
vector<vector<int>> mat(r + 3, vector<int>(c + 3, -1));
vector<vector<int>> dis(r + 3, vector<int>(c + 3, INF));
for (int i = 1; i <= r; ++i) {
string s; cin >> s;
for (int j = 1; j <= c; ++j) {
if (s[j-1]=='.') mat[i][j] = 0;
else mat[i][j] = 1;
}
}
priority_queue<edge, vector<edge>> pq;
pq.push({sr, sc, mat[sr][sc]}); // Start node with distance 0
dis[sr][sc] = mat[sr][sc]; // Distance to start node is 0
while (!pq.empty()) {
auto node = pq.top();
pq.pop();
if (vis[node.xx][node.yy]) continue;
vis[node.xx][node.yy] = true;
for (int i = 0; i < 4; ++i) {
int nx = node.xx + dx[i];
int ny = node.yy + dy[i];
if (nx >= 1 && nx <= r && ny >= 1 && ny <= c && mat[nx][ny] != -1) {
int new_dist = dis[node.xx][node.yy] + mat[nx][ny];
if (new_dist < dis[nx][ny]) {
dis[nx][ny] = new_dist;
pq.push({nx, ny, new_dist});
}
}
}
}
cout << dis[gr][gc] << endl;
}
int32_t main() {
ios_base::sync_with_stdio(false);
cin.tie(0);
int t = 1;
// cin >> t;
for (int i = 1; i <= t; i++) {
Solve();
}
return 0;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
460 KB |
Output is correct |
11 |
Correct |
0 ms |
464 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
456 KB |
Output is correct |
17 |
Correct |
0 ms |
460 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
5 ms |
1884 KB |
Output is correct |
20 |
Correct |
3 ms |
5104 KB |
Output is correct |
21 |
Correct |
7 ms |
2904 KB |
Output is correct |
22 |
Correct |
6 ms |
2008 KB |
Output is correct |
23 |
Correct |
5 ms |
1884 KB |
Output is correct |
24 |
Correct |
5 ms |
6532 KB |
Output is correct |
25 |
Correct |
4 ms |
6532 KB |
Output is correct |
26 |
Correct |
7 ms |
2252 KB |
Output is correct |
27 |
Correct |
7 ms |
2140 KB |
Output is correct |
28 |
Correct |
6 ms |
2012 KB |
Output is correct |
29 |
Correct |
13 ms |
4196 KB |
Output is correct |
30 |
Correct |
5 ms |
4204 KB |
Output is correct |
31 |
Correct |
17 ms |
5844 KB |
Output is correct |
32 |
Correct |
15 ms |
4188 KB |
Output is correct |
33 |
Correct |
13 ms |
4188 KB |
Output is correct |
34 |
Correct |
12 ms |
15816 KB |
Output is correct |
35 |
Correct |
10 ms |
15816 KB |
Output is correct |
36 |
Correct |
18 ms |
4636 KB |
Output is correct |
37 |
Correct |
16 ms |
4440 KB |
Output is correct |
38 |
Correct |
14 ms |
4388 KB |
Output is correct |
39 |
Correct |
165 ms |
37520 KB |
Output is correct |
40 |
Correct |
14 ms |
5212 KB |
Output is correct |
41 |
Correct |
18 ms |
19664 KB |
Output is correct |
42 |
Correct |
19 ms |
5724 KB |
Output is correct |
43 |
Correct |
15 ms |
15784 KB |
Output is correct |
44 |
Correct |
64 ms |
28308 KB |
Output is correct |
45 |
Correct |
52 ms |
32644 KB |
Output is correct |
46 |
Correct |
234 ms |
62300 KB |
Output is correct |
47 |
Correct |
175 ms |
37572 KB |
Output is correct |
48 |
Correct |
180 ms |
37716 KB |
Output is correct |
49 |
Correct |
107 ms |
154500 KB |
Output is correct |
50 |
Correct |
77 ms |
154504 KB |
Output is correct |
51 |
Correct |
204 ms |
39084 KB |
Output is correct |
52 |
Correct |
189 ms |
37920 KB |
Output is correct |
53 |
Correct |
177 ms |
37972 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
460 KB |
Output is correct |
11 |
Correct |
0 ms |
464 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
456 KB |
Output is correct |
17 |
Correct |
0 ms |
460 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
5 ms |
1884 KB |
Output is correct |
20 |
Correct |
3 ms |
5104 KB |
Output is correct |
21 |
Correct |
7 ms |
2904 KB |
Output is correct |
22 |
Correct |
6 ms |
2008 KB |
Output is correct |
23 |
Correct |
5 ms |
1884 KB |
Output is correct |
24 |
Correct |
5 ms |
6532 KB |
Output is correct |
25 |
Correct |
4 ms |
6532 KB |
Output is correct |
26 |
Correct |
7 ms |
2252 KB |
Output is correct |
27 |
Correct |
7 ms |
2140 KB |
Output is correct |
28 |
Correct |
6 ms |
2012 KB |
Output is correct |
29 |
Correct |
13 ms |
4196 KB |
Output is correct |
30 |
Correct |
5 ms |
4204 KB |
Output is correct |
31 |
Correct |
17 ms |
5844 KB |
Output is correct |
32 |
Correct |
15 ms |
4188 KB |
Output is correct |
33 |
Correct |
13 ms |
4188 KB |
Output is correct |
34 |
Correct |
12 ms |
15816 KB |
Output is correct |
35 |
Correct |
10 ms |
15816 KB |
Output is correct |
36 |
Correct |
18 ms |
4636 KB |
Output is correct |
37 |
Correct |
16 ms |
4440 KB |
Output is correct |
38 |
Correct |
14 ms |
4388 KB |
Output is correct |
39 |
Correct |
165 ms |
37520 KB |
Output is correct |
40 |
Correct |
14 ms |
5212 KB |
Output is correct |
41 |
Correct |
18 ms |
19664 KB |
Output is correct |
42 |
Correct |
19 ms |
5724 KB |
Output is correct |
43 |
Correct |
15 ms |
15784 KB |
Output is correct |
44 |
Correct |
64 ms |
28308 KB |
Output is correct |
45 |
Correct |
52 ms |
32644 KB |
Output is correct |
46 |
Correct |
234 ms |
62300 KB |
Output is correct |
47 |
Correct |
175 ms |
37572 KB |
Output is correct |
48 |
Correct |
180 ms |
37716 KB |
Output is correct |
49 |
Correct |
107 ms |
154500 KB |
Output is correct |
50 |
Correct |
77 ms |
154504 KB |
Output is correct |
51 |
Correct |
204 ms |
39084 KB |
Output is correct |
52 |
Correct |
189 ms |
37920 KB |
Output is correct |
53 |
Correct |
177 ms |
37972 KB |
Output is correct |
54 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
460 KB |
Output is correct |
11 |
Correct |
0 ms |
464 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
456 KB |
Output is correct |
17 |
Correct |
0 ms |
460 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
5 ms |
1884 KB |
Output is correct |
20 |
Correct |
3 ms |
5104 KB |
Output is correct |
21 |
Correct |
7 ms |
2904 KB |
Output is correct |
22 |
Correct |
6 ms |
2008 KB |
Output is correct |
23 |
Correct |
5 ms |
1884 KB |
Output is correct |
24 |
Correct |
5 ms |
6532 KB |
Output is correct |
25 |
Correct |
4 ms |
6532 KB |
Output is correct |
26 |
Correct |
7 ms |
2252 KB |
Output is correct |
27 |
Correct |
7 ms |
2140 KB |
Output is correct |
28 |
Correct |
6 ms |
2012 KB |
Output is correct |
29 |
Correct |
13 ms |
4196 KB |
Output is correct |
30 |
Correct |
5 ms |
4204 KB |
Output is correct |
31 |
Correct |
17 ms |
5844 KB |
Output is correct |
32 |
Correct |
15 ms |
4188 KB |
Output is correct |
33 |
Correct |
13 ms |
4188 KB |
Output is correct |
34 |
Correct |
12 ms |
15816 KB |
Output is correct |
35 |
Correct |
10 ms |
15816 KB |
Output is correct |
36 |
Correct |
18 ms |
4636 KB |
Output is correct |
37 |
Correct |
16 ms |
4440 KB |
Output is correct |
38 |
Correct |
14 ms |
4388 KB |
Output is correct |
39 |
Correct |
165 ms |
37520 KB |
Output is correct |
40 |
Correct |
14 ms |
5212 KB |
Output is correct |
41 |
Correct |
18 ms |
19664 KB |
Output is correct |
42 |
Correct |
19 ms |
5724 KB |
Output is correct |
43 |
Correct |
15 ms |
15784 KB |
Output is correct |
44 |
Correct |
64 ms |
28308 KB |
Output is correct |
45 |
Correct |
52 ms |
32644 KB |
Output is correct |
46 |
Correct |
234 ms |
62300 KB |
Output is correct |
47 |
Correct |
175 ms |
37572 KB |
Output is correct |
48 |
Correct |
180 ms |
37716 KB |
Output is correct |
49 |
Correct |
107 ms |
154500 KB |
Output is correct |
50 |
Correct |
77 ms |
154504 KB |
Output is correct |
51 |
Correct |
204 ms |
39084 KB |
Output is correct |
52 |
Correct |
189 ms |
37920 KB |
Output is correct |
53 |
Correct |
177 ms |
37972 KB |
Output is correct |
54 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
0 ms |
348 KB |
Output is correct |
5 |
Correct |
0 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
0 ms |
344 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
460 KB |
Output is correct |
11 |
Correct |
0 ms |
464 KB |
Output is correct |
12 |
Correct |
1 ms |
600 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
0 ms |
348 KB |
Output is correct |
16 |
Correct |
0 ms |
456 KB |
Output is correct |
17 |
Correct |
0 ms |
460 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
5 ms |
1884 KB |
Output is correct |
20 |
Correct |
3 ms |
5104 KB |
Output is correct |
21 |
Correct |
7 ms |
2904 KB |
Output is correct |
22 |
Correct |
6 ms |
2008 KB |
Output is correct |
23 |
Correct |
5 ms |
1884 KB |
Output is correct |
24 |
Correct |
5 ms |
6532 KB |
Output is correct |
25 |
Correct |
4 ms |
6532 KB |
Output is correct |
26 |
Correct |
7 ms |
2252 KB |
Output is correct |
27 |
Correct |
7 ms |
2140 KB |
Output is correct |
28 |
Correct |
6 ms |
2012 KB |
Output is correct |
29 |
Correct |
13 ms |
4196 KB |
Output is correct |
30 |
Correct |
5 ms |
4204 KB |
Output is correct |
31 |
Correct |
17 ms |
5844 KB |
Output is correct |
32 |
Correct |
15 ms |
4188 KB |
Output is correct |
33 |
Correct |
13 ms |
4188 KB |
Output is correct |
34 |
Correct |
12 ms |
15816 KB |
Output is correct |
35 |
Correct |
10 ms |
15816 KB |
Output is correct |
36 |
Correct |
18 ms |
4636 KB |
Output is correct |
37 |
Correct |
16 ms |
4440 KB |
Output is correct |
38 |
Correct |
14 ms |
4388 KB |
Output is correct |
39 |
Correct |
165 ms |
37520 KB |
Output is correct |
40 |
Correct |
14 ms |
5212 KB |
Output is correct |
41 |
Correct |
18 ms |
19664 KB |
Output is correct |
42 |
Correct |
19 ms |
5724 KB |
Output is correct |
43 |
Correct |
15 ms |
15784 KB |
Output is correct |
44 |
Correct |
64 ms |
28308 KB |
Output is correct |
45 |
Correct |
52 ms |
32644 KB |
Output is correct |
46 |
Correct |
234 ms |
62300 KB |
Output is correct |
47 |
Correct |
175 ms |
37572 KB |
Output is correct |
48 |
Correct |
180 ms |
37716 KB |
Output is correct |
49 |
Correct |
107 ms |
154500 KB |
Output is correct |
50 |
Correct |
77 ms |
154504 KB |
Output is correct |
51 |
Correct |
204 ms |
39084 KB |
Output is correct |
52 |
Correct |
189 ms |
37920 KB |
Output is correct |
53 |
Correct |
177 ms |
37972 KB |
Output is correct |
54 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |