#include <bitset>
#include <cmath>
#include <functional>
#include <algorithm>
#include <numeric>
#include <deque>
#include <fstream>
#include <iomanip>
#include <iostream>
#include <iterator>
#include <limits>
#include <list>
#include <map>
#include <unordered_map>
#include <queue>
#include <set>
#include <stack>
#include <string>
#include <vector>
#include <cstring>
#include <climits>
#define pb push_back
#define MOD 1000000007
#define NMAX 6000001
#define nl '\n'
#define INF 1000000007
#define pii1 pair<int, pair<int,int>> (1,(1,2));
#define pii pair<int,int>
#define tpl tuple<int,int,int>
using namespace std;
ifstream fin("data.in");
ofstream fout("data.out");
/*
====================DEMONSTRATION======================
n=2
1....#####..##
....##########
####..........
##########....
##########....
1....####....#
=========================END===========================
*/
int r,c,n;
int x,y,a,b,node_s,node_f;
int di[]={1,-1,0,0};
int dj[]={0,0,1,-1};
bool inmat(int i,int j)
{
return i>=1 && i<=r && j>=1 && j<=c;
}
const int R=x,L=y;
void bfs(int** mat)
{
deque<tpl>dq;
bool vis[r+1][c+1];
memset(vis,0,sizeof(vis));
vis[x][y]=1;
int ans=INF;
dq.push_front({x,y,0});
while(!dq.empty())
{
auto[i,j,cost]=dq.front();
dq.pop_front();
if(i==a && j==b)
ans=min(ans,cost);
for(int d=0;d<4;++d)
{
int inou=di[d]+i;
int jnou=dj[d]+j;
if(inmat(inou,jnou) && !vis[inou][jnou])
{
if(mat[inou][jnou]==0)
{
dq.push_front({inou,jnou,cost});
}
else
{
dq.push_back({inou,jnou,cost+1});
}
vis[inou][jnou]=1;
}
}
}
cout<<ans;
}
signed main() {
cin>>r>>c>>n;
int **mat= new int*[r+1];
for(int i=1;i<=r;++i)
mat[i]=new int[c+1];
cin>>x>>y;
cin>>a>>b;
for(int i=1;i<=r;++i)
{
for(int j=1;j<=c;++j)
{
char x;
cin>>x;
if(x=='.')
mat[i][j]=0;
else
mat[i][j]=1;
}
}
bfs(mat);
return 0;
}
Compilation message
Main.cpp: In function 'void bfs(int**)':
Main.cpp:65:13: warning: structured bindings only available with '-std=c++17' or '-std=gnu++17'
65 | auto[i,j,cost]=dq.front();
| ^
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
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 |
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 |
436 KB |
Output is correct |
17 |
Correct |
0 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
736 KB |
Output is correct |
20 |
Correct |
2 ms |
604 KB |
Output is correct |
21 |
Correct |
3 ms |
916 KB |
Output is correct |
22 |
Correct |
4 ms |
736 KB |
Output is correct |
23 |
Correct |
3 ms |
600 KB |
Output is correct |
24 |
Correct |
3 ms |
856 KB |
Output is correct |
25 |
Correct |
3 ms |
860 KB |
Output is correct |
26 |
Correct |
4 ms |
860 KB |
Output is correct |
27 |
Correct |
4 ms |
600 KB |
Output is correct |
28 |
Correct |
3 ms |
604 KB |
Output is correct |
29 |
Correct |
8 ms |
1332 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
9 ms |
2140 KB |
Output is correct |
32 |
Correct |
13 ms |
1116 KB |
Output is correct |
33 |
Correct |
10 ms |
1116 KB |
Output is correct |
34 |
Correct |
6 ms |
1368 KB |
Output is correct |
35 |
Correct |
6 ms |
1480 KB |
Output is correct |
36 |
Correct |
9 ms |
1372 KB |
Output is correct |
37 |
Correct |
9 ms |
1372 KB |
Output is correct |
38 |
Correct |
7 ms |
1116 KB |
Output is correct |
39 |
Correct |
73 ms |
9268 KB |
Output is correct |
40 |
Correct |
10 ms |
1372 KB |
Output is correct |
41 |
Correct |
8 ms |
1628 KB |
Output is correct |
42 |
Correct |
11 ms |
1628 KB |
Output is correct |
43 |
Correct |
12 ms |
1884 KB |
Output is correct |
44 |
Correct |
41 ms |
4876 KB |
Output is correct |
45 |
Correct |
39 ms |
5152 KB |
Output is correct |
46 |
Correct |
65 ms |
15184 KB |
Output is correct |
47 |
Correct |
91 ms |
9300 KB |
Output is correct |
48 |
Correct |
83 ms |
9032 KB |
Output is correct |
49 |
Correct |
58 ms |
10684 KB |
Output is correct |
50 |
Correct |
62 ms |
10576 KB |
Output is correct |
51 |
Correct |
91 ms |
9552 KB |
Output is correct |
52 |
Correct |
87 ms |
9268 KB |
Output is correct |
53 |
Correct |
67 ms |
9300 KB |
Output is correct |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 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 |
1 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
2 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
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 |
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 |
436 KB |
Output is correct |
17 |
Correct |
0 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
736 KB |
Output is correct |
20 |
Correct |
2 ms |
604 KB |
Output is correct |
21 |
Correct |
3 ms |
916 KB |
Output is correct |
22 |
Correct |
4 ms |
736 KB |
Output is correct |
23 |
Correct |
3 ms |
600 KB |
Output is correct |
24 |
Correct |
3 ms |
856 KB |
Output is correct |
25 |
Correct |
3 ms |
860 KB |
Output is correct |
26 |
Correct |
4 ms |
860 KB |
Output is correct |
27 |
Correct |
4 ms |
600 KB |
Output is correct |
28 |
Correct |
3 ms |
604 KB |
Output is correct |
29 |
Correct |
8 ms |
1332 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
9 ms |
2140 KB |
Output is correct |
32 |
Correct |
13 ms |
1116 KB |
Output is correct |
33 |
Correct |
10 ms |
1116 KB |
Output is correct |
34 |
Correct |
6 ms |
1368 KB |
Output is correct |
35 |
Correct |
6 ms |
1480 KB |
Output is correct |
36 |
Correct |
9 ms |
1372 KB |
Output is correct |
37 |
Correct |
9 ms |
1372 KB |
Output is correct |
38 |
Correct |
7 ms |
1116 KB |
Output is correct |
39 |
Correct |
73 ms |
9268 KB |
Output is correct |
40 |
Correct |
10 ms |
1372 KB |
Output is correct |
41 |
Correct |
8 ms |
1628 KB |
Output is correct |
42 |
Correct |
11 ms |
1628 KB |
Output is correct |
43 |
Correct |
12 ms |
1884 KB |
Output is correct |
44 |
Correct |
41 ms |
4876 KB |
Output is correct |
45 |
Correct |
39 ms |
5152 KB |
Output is correct |
46 |
Correct |
65 ms |
15184 KB |
Output is correct |
47 |
Correct |
91 ms |
9300 KB |
Output is correct |
48 |
Correct |
83 ms |
9032 KB |
Output is correct |
49 |
Correct |
58 ms |
10684 KB |
Output is correct |
50 |
Correct |
62 ms |
10576 KB |
Output is correct |
51 |
Correct |
91 ms |
9552 KB |
Output is correct |
52 |
Correct |
87 ms |
9268 KB |
Output is correct |
53 |
Correct |
67 ms |
9300 KB |
Output is correct |
54 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
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 |
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 |
436 KB |
Output is correct |
17 |
Correct |
0 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
736 KB |
Output is correct |
20 |
Correct |
2 ms |
604 KB |
Output is correct |
21 |
Correct |
3 ms |
916 KB |
Output is correct |
22 |
Correct |
4 ms |
736 KB |
Output is correct |
23 |
Correct |
3 ms |
600 KB |
Output is correct |
24 |
Correct |
3 ms |
856 KB |
Output is correct |
25 |
Correct |
3 ms |
860 KB |
Output is correct |
26 |
Correct |
4 ms |
860 KB |
Output is correct |
27 |
Correct |
4 ms |
600 KB |
Output is correct |
28 |
Correct |
3 ms |
604 KB |
Output is correct |
29 |
Correct |
8 ms |
1332 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
9 ms |
2140 KB |
Output is correct |
32 |
Correct |
13 ms |
1116 KB |
Output is correct |
33 |
Correct |
10 ms |
1116 KB |
Output is correct |
34 |
Correct |
6 ms |
1368 KB |
Output is correct |
35 |
Correct |
6 ms |
1480 KB |
Output is correct |
36 |
Correct |
9 ms |
1372 KB |
Output is correct |
37 |
Correct |
9 ms |
1372 KB |
Output is correct |
38 |
Correct |
7 ms |
1116 KB |
Output is correct |
39 |
Correct |
73 ms |
9268 KB |
Output is correct |
40 |
Correct |
10 ms |
1372 KB |
Output is correct |
41 |
Correct |
8 ms |
1628 KB |
Output is correct |
42 |
Correct |
11 ms |
1628 KB |
Output is correct |
43 |
Correct |
12 ms |
1884 KB |
Output is correct |
44 |
Correct |
41 ms |
4876 KB |
Output is correct |
45 |
Correct |
39 ms |
5152 KB |
Output is correct |
46 |
Correct |
65 ms |
15184 KB |
Output is correct |
47 |
Correct |
91 ms |
9300 KB |
Output is correct |
48 |
Correct |
83 ms |
9032 KB |
Output is correct |
49 |
Correct |
58 ms |
10684 KB |
Output is correct |
50 |
Correct |
62 ms |
10576 KB |
Output is correct |
51 |
Correct |
91 ms |
9552 KB |
Output is correct |
52 |
Correct |
87 ms |
9268 KB |
Output is correct |
53 |
Correct |
67 ms |
9300 KB |
Output is correct |
54 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |
# |
결과 |
실행 시간 |
메모리 |
Grader output |
1 |
Correct |
0 ms |
344 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 |
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 |
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 |
436 KB |
Output is correct |
17 |
Correct |
0 ms |
604 KB |
Output is correct |
18 |
Correct |
0 ms |
348 KB |
Output is correct |
19 |
Correct |
3 ms |
736 KB |
Output is correct |
20 |
Correct |
2 ms |
604 KB |
Output is correct |
21 |
Correct |
3 ms |
916 KB |
Output is correct |
22 |
Correct |
4 ms |
736 KB |
Output is correct |
23 |
Correct |
3 ms |
600 KB |
Output is correct |
24 |
Correct |
3 ms |
856 KB |
Output is correct |
25 |
Correct |
3 ms |
860 KB |
Output is correct |
26 |
Correct |
4 ms |
860 KB |
Output is correct |
27 |
Correct |
4 ms |
600 KB |
Output is correct |
28 |
Correct |
3 ms |
604 KB |
Output is correct |
29 |
Correct |
8 ms |
1332 KB |
Output is correct |
30 |
Correct |
4 ms |
604 KB |
Output is correct |
31 |
Correct |
9 ms |
2140 KB |
Output is correct |
32 |
Correct |
13 ms |
1116 KB |
Output is correct |
33 |
Correct |
10 ms |
1116 KB |
Output is correct |
34 |
Correct |
6 ms |
1368 KB |
Output is correct |
35 |
Correct |
6 ms |
1480 KB |
Output is correct |
36 |
Correct |
9 ms |
1372 KB |
Output is correct |
37 |
Correct |
9 ms |
1372 KB |
Output is correct |
38 |
Correct |
7 ms |
1116 KB |
Output is correct |
39 |
Correct |
73 ms |
9268 KB |
Output is correct |
40 |
Correct |
10 ms |
1372 KB |
Output is correct |
41 |
Correct |
8 ms |
1628 KB |
Output is correct |
42 |
Correct |
11 ms |
1628 KB |
Output is correct |
43 |
Correct |
12 ms |
1884 KB |
Output is correct |
44 |
Correct |
41 ms |
4876 KB |
Output is correct |
45 |
Correct |
39 ms |
5152 KB |
Output is correct |
46 |
Correct |
65 ms |
15184 KB |
Output is correct |
47 |
Correct |
91 ms |
9300 KB |
Output is correct |
48 |
Correct |
83 ms |
9032 KB |
Output is correct |
49 |
Correct |
58 ms |
10684 KB |
Output is correct |
50 |
Correct |
62 ms |
10576 KB |
Output is correct |
51 |
Correct |
91 ms |
9552 KB |
Output is correct |
52 |
Correct |
87 ms |
9268 KB |
Output is correct |
53 |
Correct |
67 ms |
9300 KB |
Output is correct |
54 |
Incorrect |
1 ms |
344 KB |
Output isn't correct |
55 |
Halted |
0 ms |
0 KB |
- |