#include <bits/stdc++.h>
typedef long long ll;
#define FOR(i,x,y) for(ll i=x; i<y; i++)
#define FORNEG(i,x,y) for(ll i=x; i>y; i--)
using namespace std;
ll r,c,n;
vector<vector<ll>> grid;
vector<vector<ll>> visited;
bool iswithin(ll a, ll b, ll x, ll y){
ll A = abs(x-a), B = abs(y-b);
if ((A<=n && B < n) ||(A<n && B <= n)){
return 1;
}
return 0;
}
vector<array<ll,2>> getvalid(ll a, ll b){
vector<array<ll,2>> ans;
// FOR(i,-(n-1), n){
// ans.push_back({a-n, b+i});
// ans.push_back({a+n, b+i});
// ans.push_back({a+i, b-n});
// ans.push_back({a+i, b+n});
// }
ans.push_back({a-n, b-(n-1)});
ans.push_back({a-n, b+(n-1)});
ans.push_back({a+n, b-(n-1)});
ans.push_back({a+n, b+(n-1)});
ans.push_back({a-(n-1), b-n});
ans.push_back({a+(n-1), b-n});
ans.push_back({a-(n-1), b+n});
ans.push_back({a+(n-1), b+n});
vector<array<ll,2>> realans;
for (auto&i : ans){
if (0<=i[0] && i[0]<r && 0<=i[1] && i[1]<c) realans.push_back(i);
}
return realans;
}
int main(){
ios_base::sync_with_stdio(false);
cin.tie(NULL);
cin >> r >> c >> n;
ll a,b;
ll x,y;
cin >> a >> b >> x >> y;
a--;b--;x--;y--;
FOR(i,0,r){
vector<ll> temp;
vector<ll> idk;
string temp2;
cin >> temp2;
FOR(j,0,c){
temp.push_back(temp2[j]);
idk.push_back(100000000);
}
grid.push_back(temp);
visited.push_back(idk);
}
ll ans = -1;
deque<vector<ll>> sus;
sus.push_back({a,b,0});
visited[a][b] = 0;
while (sus.size()){
vector<ll> node = sus.front();
sus.pop_front();
if (visited[node[0]][node[1]] != node[2]) continue;
if (node[0] == x && node[1] == y){
ans = node[2];
break;
}
if (iswithin(node[0],node[1],x,y)){
if (visited[x][y]> node[2]+1){
visited[x][y] = node[2]+1;
sus.push_back({x,y,node[2]+1});
}
}
vector<array<ll,2>> pos = {{node[0]-1,node[1]},{node[0]+1,node[1]},{node[0],node[1]-1},{node[0],node[1]+1}};
vector<array<ll,2>> temp = getvalid(node[0], node[1]);
for (auto&i : pos){
if (0<=i[0] && i[0]<r && 0<=i[1] && i[1]<c){
if (grid[i[0]][i[1]] == '.'){
if (visited[i[0]][i[1]] > node[2]){
visited[i[0]][i[1]] = node[2];
sus.push_front({i[0], i[1], node[2]});
}
}
}
}
for (auto&i : temp){
if (visited[i[0]][i[1]] > node[2]+1){
visited[i[0]][i[1]] = node[2]+1;
sus.push_back({i[0], i[1], node[2]+1});
}
}
}
cout << ans << endl;
}
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
600 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
8 ms |
2080 KB |
Output is correct |
21 |
Correct |
12 ms |
2904 KB |
Output is correct |
22 |
Correct |
14 ms |
1488 KB |
Output is correct |
23 |
Correct |
17 ms |
1368 KB |
Output is correct |
24 |
Correct |
12 ms |
2592 KB |
Output is correct |
25 |
Correct |
9 ms |
2588 KB |
Output is correct |
26 |
Correct |
1 ms |
1372 KB |
Output is correct |
27 |
Correct |
2 ms |
1372 KB |
Output is correct |
28 |
Correct |
8 ms |
1372 KB |
Output is correct |
29 |
Correct |
35 ms |
2908 KB |
Output is correct |
30 |
Correct |
10 ms |
2040 KB |
Output is correct |
31 |
Correct |
19 ms |
4956 KB |
Output is correct |
32 |
Correct |
41 ms |
2908 KB |
Output is correct |
33 |
Correct |
34 ms |
2904 KB |
Output is correct |
34 |
Correct |
32 ms |
5452 KB |
Output is correct |
35 |
Correct |
33 ms |
5452 KB |
Output is correct |
36 |
Correct |
21 ms |
3160 KB |
Output is correct |
37 |
Correct |
33 ms |
2904 KB |
Output is correct |
38 |
Correct |
4 ms |
2908 KB |
Output is correct |
39 |
Correct |
410 ms |
28320 KB |
Output is correct |
40 |
Correct |
13 ms |
3332 KB |
Output is correct |
41 |
Correct |
19 ms |
6480 KB |
Output is correct |
42 |
Correct |
53 ms |
4700 KB |
Output is correct |
43 |
Correct |
40 ms |
6684 KB |
Output is correct |
44 |
Correct |
70 ms |
14584 KB |
Output is correct |
45 |
Correct |
78 ms |
17800 KB |
Output is correct |
46 |
Correct |
406 ms |
43488 KB |
Output is correct |
47 |
Correct |
392 ms |
28548 KB |
Output is correct |
48 |
Correct |
298 ms |
28496 KB |
Output is correct |
49 |
Correct |
212 ms |
52948 KB |
Output is correct |
50 |
Correct |
191 ms |
51932 KB |
Output is correct |
51 |
Correct |
277 ms |
29008 KB |
Output is correct |
52 |
Correct |
206 ms |
28688 KB |
Output is correct |
53 |
Correct |
331 ms |
28508 KB |
Output is correct |
# |
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 |
0 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 |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
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 |
0 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 |
348 KB |
Output is correct |
8 |
Correct |
0 ms |
348 KB |
Output is correct |
9 |
Correct |
0 ms |
348 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 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 |
348 KB |
Output is correct |
17 |
Correct |
0 ms |
348 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
0 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
0 ms |
348 KB |
Output is correct |
23 |
Correct |
0 ms |
348 KB |
Output is correct |
24 |
Correct |
1 ms |
348 KB |
Output is correct |
25 |
Incorrect |
2 ms |
1108 KB |
Output isn't correct |
26 |
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 |
0 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 |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
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 |
0 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 |
348 KB |
Output is correct |
8 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
9 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
600 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
8 ms |
2080 KB |
Output is correct |
21 |
Correct |
12 ms |
2904 KB |
Output is correct |
22 |
Correct |
14 ms |
1488 KB |
Output is correct |
23 |
Correct |
17 ms |
1368 KB |
Output is correct |
24 |
Correct |
12 ms |
2592 KB |
Output is correct |
25 |
Correct |
9 ms |
2588 KB |
Output is correct |
26 |
Correct |
1 ms |
1372 KB |
Output is correct |
27 |
Correct |
2 ms |
1372 KB |
Output is correct |
28 |
Correct |
8 ms |
1372 KB |
Output is correct |
29 |
Correct |
35 ms |
2908 KB |
Output is correct |
30 |
Correct |
10 ms |
2040 KB |
Output is correct |
31 |
Correct |
19 ms |
4956 KB |
Output is correct |
32 |
Correct |
41 ms |
2908 KB |
Output is correct |
33 |
Correct |
34 ms |
2904 KB |
Output is correct |
34 |
Correct |
32 ms |
5452 KB |
Output is correct |
35 |
Correct |
33 ms |
5452 KB |
Output is correct |
36 |
Correct |
21 ms |
3160 KB |
Output is correct |
37 |
Correct |
33 ms |
2904 KB |
Output is correct |
38 |
Correct |
4 ms |
2908 KB |
Output is correct |
39 |
Correct |
410 ms |
28320 KB |
Output is correct |
40 |
Correct |
13 ms |
3332 KB |
Output is correct |
41 |
Correct |
19 ms |
6480 KB |
Output is correct |
42 |
Correct |
53 ms |
4700 KB |
Output is correct |
43 |
Correct |
40 ms |
6684 KB |
Output is correct |
44 |
Correct |
70 ms |
14584 KB |
Output is correct |
45 |
Correct |
78 ms |
17800 KB |
Output is correct |
46 |
Correct |
406 ms |
43488 KB |
Output is correct |
47 |
Correct |
392 ms |
28548 KB |
Output is correct |
48 |
Correct |
298 ms |
28496 KB |
Output is correct |
49 |
Correct |
212 ms |
52948 KB |
Output is correct |
50 |
Correct |
191 ms |
51932 KB |
Output is correct |
51 |
Correct |
277 ms |
29008 KB |
Output is correct |
52 |
Correct |
206 ms |
28688 KB |
Output is correct |
53 |
Correct |
331 ms |
28508 KB |
Output is correct |
54 |
Correct |
0 ms |
348 KB |
Output is correct |
55 |
Correct |
0 ms |
348 KB |
Output is correct |
56 |
Correct |
0 ms |
348 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
0 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
348 KB |
Output is correct |
61 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
62 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
600 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
8 ms |
2080 KB |
Output is correct |
21 |
Correct |
12 ms |
2904 KB |
Output is correct |
22 |
Correct |
14 ms |
1488 KB |
Output is correct |
23 |
Correct |
17 ms |
1368 KB |
Output is correct |
24 |
Correct |
12 ms |
2592 KB |
Output is correct |
25 |
Correct |
9 ms |
2588 KB |
Output is correct |
26 |
Correct |
1 ms |
1372 KB |
Output is correct |
27 |
Correct |
2 ms |
1372 KB |
Output is correct |
28 |
Correct |
8 ms |
1372 KB |
Output is correct |
29 |
Correct |
35 ms |
2908 KB |
Output is correct |
30 |
Correct |
10 ms |
2040 KB |
Output is correct |
31 |
Correct |
19 ms |
4956 KB |
Output is correct |
32 |
Correct |
41 ms |
2908 KB |
Output is correct |
33 |
Correct |
34 ms |
2904 KB |
Output is correct |
34 |
Correct |
32 ms |
5452 KB |
Output is correct |
35 |
Correct |
33 ms |
5452 KB |
Output is correct |
36 |
Correct |
21 ms |
3160 KB |
Output is correct |
37 |
Correct |
33 ms |
2904 KB |
Output is correct |
38 |
Correct |
4 ms |
2908 KB |
Output is correct |
39 |
Correct |
410 ms |
28320 KB |
Output is correct |
40 |
Correct |
13 ms |
3332 KB |
Output is correct |
41 |
Correct |
19 ms |
6480 KB |
Output is correct |
42 |
Correct |
53 ms |
4700 KB |
Output is correct |
43 |
Correct |
40 ms |
6684 KB |
Output is correct |
44 |
Correct |
70 ms |
14584 KB |
Output is correct |
45 |
Correct |
78 ms |
17800 KB |
Output is correct |
46 |
Correct |
406 ms |
43488 KB |
Output is correct |
47 |
Correct |
392 ms |
28548 KB |
Output is correct |
48 |
Correct |
298 ms |
28496 KB |
Output is correct |
49 |
Correct |
212 ms |
52948 KB |
Output is correct |
50 |
Correct |
191 ms |
51932 KB |
Output is correct |
51 |
Correct |
277 ms |
29008 KB |
Output is correct |
52 |
Correct |
206 ms |
28688 KB |
Output is correct |
53 |
Correct |
331 ms |
28508 KB |
Output is correct |
54 |
Correct |
0 ms |
348 KB |
Output is correct |
55 |
Correct |
0 ms |
348 KB |
Output is correct |
56 |
Correct |
0 ms |
348 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
0 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
348 KB |
Output is correct |
61 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
62 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
600 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
1 ms |
348 KB |
Output is correct |
4 |
Correct |
1 ms |
472 KB |
Output is correct |
5 |
Correct |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
1 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
348 KB |
Output is correct |
8 |
Correct |
1 ms |
344 KB |
Output is correct |
9 |
Correct |
0 ms |
344 KB |
Output is correct |
10 |
Correct |
0 ms |
348 KB |
Output is correct |
11 |
Correct |
0 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
0 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
600 KB |
Output is correct |
16 |
Correct |
0 ms |
348 KB |
Output is correct |
17 |
Correct |
1 ms |
348 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
19 ms |
1372 KB |
Output is correct |
20 |
Correct |
8 ms |
2080 KB |
Output is correct |
21 |
Correct |
12 ms |
2904 KB |
Output is correct |
22 |
Correct |
14 ms |
1488 KB |
Output is correct |
23 |
Correct |
17 ms |
1368 KB |
Output is correct |
24 |
Correct |
12 ms |
2592 KB |
Output is correct |
25 |
Correct |
9 ms |
2588 KB |
Output is correct |
26 |
Correct |
1 ms |
1372 KB |
Output is correct |
27 |
Correct |
2 ms |
1372 KB |
Output is correct |
28 |
Correct |
8 ms |
1372 KB |
Output is correct |
29 |
Correct |
35 ms |
2908 KB |
Output is correct |
30 |
Correct |
10 ms |
2040 KB |
Output is correct |
31 |
Correct |
19 ms |
4956 KB |
Output is correct |
32 |
Correct |
41 ms |
2908 KB |
Output is correct |
33 |
Correct |
34 ms |
2904 KB |
Output is correct |
34 |
Correct |
32 ms |
5452 KB |
Output is correct |
35 |
Correct |
33 ms |
5452 KB |
Output is correct |
36 |
Correct |
21 ms |
3160 KB |
Output is correct |
37 |
Correct |
33 ms |
2904 KB |
Output is correct |
38 |
Correct |
4 ms |
2908 KB |
Output is correct |
39 |
Correct |
410 ms |
28320 KB |
Output is correct |
40 |
Correct |
13 ms |
3332 KB |
Output is correct |
41 |
Correct |
19 ms |
6480 KB |
Output is correct |
42 |
Correct |
53 ms |
4700 KB |
Output is correct |
43 |
Correct |
40 ms |
6684 KB |
Output is correct |
44 |
Correct |
70 ms |
14584 KB |
Output is correct |
45 |
Correct |
78 ms |
17800 KB |
Output is correct |
46 |
Correct |
406 ms |
43488 KB |
Output is correct |
47 |
Correct |
392 ms |
28548 KB |
Output is correct |
48 |
Correct |
298 ms |
28496 KB |
Output is correct |
49 |
Correct |
212 ms |
52948 KB |
Output is correct |
50 |
Correct |
191 ms |
51932 KB |
Output is correct |
51 |
Correct |
277 ms |
29008 KB |
Output is correct |
52 |
Correct |
206 ms |
28688 KB |
Output is correct |
53 |
Correct |
331 ms |
28508 KB |
Output is correct |
54 |
Correct |
0 ms |
348 KB |
Output is correct |
55 |
Correct |
0 ms |
348 KB |
Output is correct |
56 |
Correct |
0 ms |
348 KB |
Output is correct |
57 |
Correct |
0 ms |
348 KB |
Output is correct |
58 |
Correct |
0 ms |
348 KB |
Output is correct |
59 |
Correct |
0 ms |
348 KB |
Output is correct |
60 |
Correct |
0 ms |
348 KB |
Output is correct |
61 |
Incorrect |
0 ms |
348 KB |
Output isn't correct |
62 |
Halted |
0 ms |
0 KB |
- |