Language: C++

#include<bits/stdc++.h>
 using  namespace std;
 #define ll long long
 #define pb push_back
 const  int maxn =2e5+ 10 ;
 const  int mod=1e9+ 7 ;
 char s[ 1005 ][ 1005 ];
 int h,w;
 int sx,sy,ex,ey;
 int xx[ 5 ]={ 58 , 0 , 0, 1 ,- 1 };
 int yy[ 5 ]={ 58 , 1 ,- 1 , 0 , 0 };
 int min1= 1e9;

 struct ac
 {
     int x,y,step;
 };


 void bfs()
 {
      deque<ac> q;
      q.push_front({sx,sy, 0 });
     s[sx][sy]= ' # ' ;
     while (! q.empty())
     {
          ac u = q.front();
         q.pop_front();
         int x=ux,y = uy ;
         if (x==ex&&y== ey)
         {
              min1 = u.step;
             return ;
         }
          s[x][y] = ' # ' ;
         for ( inti = 1 ;i<= 4 ;i++ )
         {
             int tx=x+ xx[i];
             int ty=y+ yy[i];
             if (tx< 1 ||ty< 1 ||tx>h| |ty>w||s[tx][ty ]== ' # ' )
                 continue ;
             q.push_front({tx,ty,u.step});
         }
         for ( int i=x- 2 ; i<=x+ 2 ;i++ )
         {
             for ( int j=y- 2 ;j<=y+ 2 ;j++ )
             {
                 if (i< 1 ||j< 1 ||i>h||j>w||s[i][j] == ' # ' )
                     continue ;
                  q.push_back({i, j,u.step + 1 });
             }
         }
     }
 }


 int main()
 {
     ios::sync_with_stdio( false );
      cin.tie( 0 );
      cin>>h>> w;
      cin>>sx>>sy>>ex>> ey;
     for ( int i = 1 ;i< =h;i++ )
     {
         for ( int j = 1 ;j<=w;j++ )
         {
              cin>> s[i][j];
         }
     }
     bfs();
     if(min1== 1e9)
          cout<<- 1 << ' \n ' ;
     else
         cout<<min1<< ' \n ' ;



}

Compiler output:
a.cc:24:17: warning: multi-character character constant [-Wmultichar]
   24 |      s[sx][sy]= ' # ' ;
      |                 ^~~~~
a.cc:35:21: warning: multi-character character constant [-Wmultichar]
   35 |           s[x][y] = ' # ' ;
      |                     ^~~~~
a.cc:40:60: warning: multi-character character constant [-Wmultichar]
   40 |              if (tx< 1 ||ty< 1 ||tx>h| |ty>w||s[tx][ty ]== ' # ' )
      |                                                            ^~~~~
a.cc:48:57: warning: multi-character character constant [-Wmultichar]
   48 |                  if (i< 1 ||j< 1 ||i>h||j>w||s[i][j] == ' # ' )
      |                                                         ^~~~~
a.cc:72:24: warning: multi-character character constant [-Wmultichar]
   72 |           cout<<- 1 << ' \n ' ;
      |                        ^~~~~~
a.cc:74:23: warning: multi-character character constant [-Wmultichar]
   74 |          cout<<min1<< ' \n ' ;
      |                       ^~~~~~
a.cc: In function 'void bfs()':
a.cc:24:17: warning: overflow in conversion from 'int' to 'char' changes value from '2106144' to '32' [-Woverflow]
   24 |      s[sx][sy]= ' # ' ;
      |                 ^~~~~
a.cc:29:16: error: 'ux' was not declared in this scope; did you mean 'x'?
   29 |          int x=ux,y = uy ;
      |                ^~
      |                x
a.cc:30:21: error: 'y' was not declared in this scope
   30 |          if (x==ex&&y== ey)
      |                     ^
a.cc:35:16: error: 'y' was not declared in this scope
   35 |           s[x][y] = ' # ' ;
      |                ^
a.cc:36:16: error: 'inti' was not declared in this scope; did you mean 'int'?
   36 |          for ( inti = 1 ;i<= 4 ;i++ )
      |                ^~~~
      |                int
a.cc:36:26: error: 'i' was not declared in this scope
   36 |          for ( inti = 1 ;i<= 4 ;i++ )
      |                          ^
a.cc:40:40: error: expected primary-expression before '|' token
   40 |              if (tx< 1 ||ty< 1 ||tx>h| |ty>w||s[tx][ty ]== ' # ' )
      |                                        ^
a.cc: In function 'int main()':
a.cc:63:26: error: expected primary-expression before '=' token
   63 |      for ( int i = 1 ;i< =h;i++ )
      |                          ^