/in/foo.cc: In function 'int main()':
/in/foo.cc:13:33: warning: init-statement in selection statements only available with '-std=c++17' or '-std=gnu++17' [-Wc++17-extensions]
   13 |                         else if(i==(n/2+1)
      |                                 ^
/in/foo.cc:13:43: error: expected ';' before 'cout'
   13 |                         else if(i==(n/2+1)
      |                                           ^
      |                                           ;
   14 |                                 cout<<"-";
      |                                 ~~~~       
/in/foo.cc:13:34: warning: statement has no effect [-Wunused-value]
   13 |                         else if(i==(n/2+1)
      |                                 ~^~~~~~~~~
/in/foo.cc:15:25: error: expected primary-expression before 'else'
   15 |                         else
      |                         ^~~~
/in/foo.cc:14:43: error: expected ')' before 'else'
   14 |                                 cout<<"-";
      |                                           ^
      |                                           )
   15 |                         else
      |                         ~~~~               
/in/foo.cc:13:32: note: to match this '('
   13 |                         else if(i==(n/2+1)
      |                                ^