#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9+7;
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(0);
int r, c, n; cin >> c>> r >> n;
array<int, 2> s, g;
cin >> s[0] >> s[1];
cin >> g[0] >> g[1];
s[0]--; s[1]--;
g[0]--; g[1]--;
vector<string> a(c);
for(auto &i: a){
cin >> i;
}
int ans = 0;
queue<array<int, 2>> q[max(r, c) / n +2];
int pos = 0;
q[0].push(s);
queue<array<int, 2>> sinir;
queue<array<int, 3>>sinir2;
queue<array<int, 3>>sinir3;
int of = 500;
auto check =[&](int x, int y, int z){
if(x<0 || y<0) return 1;
if(x>=c || y>=r) return 1;
if(a[x][y]=='.'){
q[z].push({x, y});
return 1;
}
return 0;
};
// c = column
vector vis(c, vector(r, 0));
vector vis2(c, vector(r, 0));
vector vis3(c, vector(r, 0));
int anss = -1;
while(pos <max(r, c) / n +2 && anss==-1){
if(q[pos].size()==0 ){
pos++;
if(pos == (max(r, c)/n+2)) break;
while(sinir.size()){
auto [x, y] = sinir.front();
vis[x][y] = 0;
sinir2.push({x, y, 0});
q[pos].push({x, y});
sinir.pop();
for(int i=1; i<=n; i++){
if(y-i<0) break;
// if(vis[x][y-i]) break;
/* if(vis2[x][y-i]) break;*/
a[x][y-i] = '.';
vis2[x][y-i] = 1;
sinir2.push({x, y-i, (i==n)});
}
for(int i=1; i<=n; i++){
if(y+i>=r) break;
// if(vis[x][y+i]) break;
/* if(vis2[x][y+i]) break;*/
a[x][y+i] = '.';
vis2[x][y+i] = 1;
sinir2.push({x, y+i, (i==n)});
}
}
while(sinir2.size()){
auto [x, y, z] = sinir2.front();
vis[x][y] = 0;
sinir2.pop();
for(int i=1; i<=n-z; i++){
if(x-i<0) break;
//if(vis[x-i][y]) break;
// if(vis3[x-i][y]) break;
a[x-i][y] = '.';
vis3[x-i][y] = 1;
sinir3.push({x-i, y, (i==n)});
}
for(int i=1; i<=n-z; i++){
if(x+i>=c) break;
// if(vis[x+i][y]) break;
// if(vis3[x+i][y]) break;
a[x+i][y] = '.';
vis3[x+i][y] = 1;
sinir3.push({x+i, y, (i==n)});
}
}
}
else{
while(q[pos].size()){
auto [x, y] = q[pos].front();
q[pos].pop();
int ans = 0;
if(vis[x][y]) continue;
vis[x][y] = 1;
if(x==g[0] && y == g[1]&& anss==-1){
anss = pos;
}
ans += check(x-1, y, pos);
ans += check(x+1, y, pos);
ans += check(x, y-1, pos);
ans += check(x, y+1, pos);
if(ans!=4){
sinir.push({x, y});
}
}
}
}
cout << anss;
}
Compilation message
Main.cpp: In function 'int main()':
Main.cpp:27:9: warning: unused variable 'ans' [-Wunused-variable]
27 | int ans = 0;
| ^~~
Main.cpp:37:9: warning: unused variable 'of' [-Wunused-variable]
37 | int of = 500;
| ^~
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 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 |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
9 ms |
2396 KB |
Output is correct |
20 |
Correct |
30 ms |
32324 KB |
Output is correct |
21 |
Correct |
3 ms |
1372 KB |
Output is correct |
22 |
Correct |
7 ms |
2140 KB |
Output is correct |
23 |
Incorrect |
8 ms |
2396 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
1116 KB |
Output is correct |
16 |
Correct |
1 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 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 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
1 ms |
348 KB |
Output is correct |
2 |
Correct |
0 ms |
348 KB |
Output is correct |
3 |
Correct |
0 ms |
344 KB |
Output is correct |
4 |
Correct |
1 ms |
344 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 |
1 ms |
344 KB |
Output is correct |
10 |
Correct |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
1 ms |
1116 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
1 ms |
604 KB |
Output is correct |
15 |
Correct |
0 ms |
348 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 |
0 ms |
348 KB |
Output is correct |
20 |
Correct |
1 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 |
0 ms |
348 KB |
Output is correct |
25 |
Correct |
3 ms |
1628 KB |
Output is correct |
26 |
Correct |
3 ms |
1444 KB |
Output is correct |
27 |
Correct |
4 ms |
1372 KB |
Output is correct |
28 |
Correct |
3 ms |
1284 KB |
Output is correct |
29 |
Correct |
14 ms |
9708 KB |
Output is correct |
30 |
Correct |
4 ms |
1884 KB |
Output is correct |
31 |
Correct |
68 ms |
46972 KB |
Output is correct |
32 |
Correct |
1 ms |
1372 KB |
Output is correct |
33 |
Correct |
1 ms |
1372 KB |
Output is correct |
34 |
Correct |
6 ms |
2396 KB |
Output is correct |
35 |
Correct |
7 ms |
2652 KB |
Output is correct |
36 |
Correct |
7 ms |
2396 KB |
Output is correct |
37 |
Correct |
47 ms |
33052 KB |
Output is correct |
38 |
Correct |
9 ms |
4188 KB |
Output is correct |
39 |
Correct |
20 ms |
7956 KB |
Output is correct |
40 |
Correct |
60 ms |
22252 KB |
Output is correct |
41 |
Correct |
75 ms |
21224 KB |
Output is correct |
42 |
Correct |
67 ms |
20252 KB |
Output is correct |
43 |
Correct |
694 ms |
384044 KB |
Output is correct |
44 |
Correct |
95 ms |
37900 KB |
Output is correct |
45 |
Correct |
62 ms |
25936 KB |
Output is correct |
46 |
Correct |
68 ms |
25936 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
1116 KB |
Output is correct |
16 |
Correct |
1 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 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 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
10 ms |
2392 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
1116 KB |
Output is correct |
36 |
Correct |
2 ms |
1628 KB |
Output is correct |
37 |
Correct |
29 ms |
32160 KB |
Output is correct |
38 |
Correct |
3 ms |
1372 KB |
Output is correct |
39 |
Correct |
3 ms |
1436 KB |
Output is correct |
40 |
Correct |
8 ms |
2140 KB |
Output is correct |
41 |
Incorrect |
8 ms |
2556 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 ms |
344 KB |
Output is correct |
3 |
Correct |
0 ms |
344 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 |
1 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 |
1 ms |
348 KB |
Output is correct |
11 |
Correct |
1 ms |
348 KB |
Output is correct |
12 |
Correct |
0 ms |
348 KB |
Output is correct |
13 |
Correct |
1 ms |
348 KB |
Output is correct |
14 |
Correct |
0 ms |
348 KB |
Output is correct |
15 |
Correct |
1 ms |
1116 KB |
Output is correct |
16 |
Correct |
1 ms |
1116 KB |
Output is correct |
17 |
Correct |
1 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
344 KB |
Output is correct |
19 |
Correct |
1 ms |
600 KB |
Output is correct |
20 |
Correct |
1 ms |
348 KB |
Output is correct |
21 |
Correct |
0 ms |
348 KB |
Output is correct |
22 |
Correct |
1 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 |
Correct |
0 ms |
348 KB |
Output is correct |
26 |
Correct |
0 ms |
348 KB |
Output is correct |
27 |
Correct |
1 ms |
348 KB |
Output is correct |
28 |
Correct |
0 ms |
348 KB |
Output is correct |
29 |
Correct |
0 ms |
344 KB |
Output is correct |
30 |
Correct |
0 ms |
344 KB |
Output is correct |
31 |
Correct |
1 ms |
348 KB |
Output is correct |
32 |
Correct |
1 ms |
348 KB |
Output is correct |
33 |
Correct |
10 ms |
2392 KB |
Output is correct |
34 |
Correct |
1 ms |
344 KB |
Output is correct |
35 |
Correct |
1 ms |
1116 KB |
Output is correct |
36 |
Correct |
2 ms |
1628 KB |
Output is correct |
37 |
Correct |
29 ms |
32160 KB |
Output is correct |
38 |
Correct |
3 ms |
1372 KB |
Output is correct |
39 |
Correct |
3 ms |
1436 KB |
Output is correct |
40 |
Correct |
8 ms |
2140 KB |
Output is correct |
41 |
Incorrect |
8 ms |
2556 KB |
Output isn't correct |
42 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 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 |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
9 ms |
2396 KB |
Output is correct |
20 |
Correct |
30 ms |
32324 KB |
Output is correct |
21 |
Correct |
3 ms |
1372 KB |
Output is correct |
22 |
Correct |
7 ms |
2140 KB |
Output is correct |
23 |
Incorrect |
8 ms |
2396 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 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 |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
9 ms |
2396 KB |
Output is correct |
20 |
Correct |
30 ms |
32324 KB |
Output is correct |
21 |
Correct |
3 ms |
1372 KB |
Output is correct |
22 |
Correct |
7 ms |
2140 KB |
Output is correct |
23 |
Incorrect |
8 ms |
2396 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 KB |
Output is correct |
2 |
Correct |
1 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 |
1 ms |
348 KB |
Output is correct |
6 |
Correct |
0 ms |
348 KB |
Output is correct |
7 |
Correct |
1 ms |
1116 KB |
Output is correct |
8 |
Correct |
1 ms |
1116 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 |
1 ms |
344 KB |
Output is correct |
18 |
Correct |
1 ms |
348 KB |
Output is correct |
19 |
Correct |
9 ms |
2396 KB |
Output is correct |
20 |
Correct |
30 ms |
32324 KB |
Output is correct |
21 |
Correct |
3 ms |
1372 KB |
Output is correct |
22 |
Correct |
7 ms |
2140 KB |
Output is correct |
23 |
Incorrect |
8 ms |
2396 KB |
Output isn't correct |
24 |
Halted |
0 ms |
0 KB |
- |