/in/foo.cc: In function 'void Init()':
/in/foo.cc:19:22: error: expected primary-expression before '=' token
   19 | for ( int i = 2 ; i ?= ( f[i + 1][j + 1] * ( n - 1 ) + j ) / double ( n - 1 ) ;
      |                      ^
/in/foo.cc:19:35: error: 'j' was not declared in this scope
   19 | for ( int i = 2 ; i ?= ( f[i + 1][j + 1] * ( n - 1 ) + j ) / double ( n - 1 ) ;
      |                                   ^
/in/foo.cc:19:78: error: expected ':' before ';' token
   19 | for ( int i = 2 ; i ?= ( f[i + 1][j + 1] * ( n - 1 ) + j ) / double ( n - 1 ) ;
      |                                                                              ^~
      |                                                                              :
/in/foo.cc:19:79: error: expected primary-expression before ';' token
   19 | for ( int i = 2 ; i ?= ( f[i + 1][j + 1] * ( n - 1 ) + j ) / double ( n - 1 ) ;
      |                                                                               ^
/in/foo.cc:21:1: error: expected primary-expression before '}' token
   21 | } ;
      | ^
/in/foo.cc:19:80: error: expected ')' before '}' token
   19 | for ( int i = 2 ; i ?= ( f[i + 1][j + 1] * ( n - 1 ) + j ) / double ( n - 1 ) ;
      |     ~                                                                          ^
      |                                                                                )
   20 | 
   21 | } ;
      | ~                                                                               
/in/foo.cc:21:1: error: expected primary-expression before '}' token
   21 | } ;
      | ^
/in/foo.cc: At global scope:
/in/foo.cc:23:1: error: expected unqualified-id before 'for'
   23 | for ( int i = 0 ; i ?= f[2][i] ;
      | ^~~
/in/foo.cc:23:19: error: 'i' does not name a type
   23 | for ( int i = 0 ; i ?= f[2][i] ;
      |                   ^
/in/foo.cc:25:1: error: expected unqualified-id before 'if'
   25 | if ( ans == - oo ) ans = - 1 ;
      | ^~
/in/foo.cc:27:1: error: expected declaration before '}' token
   27 | } ;
      | ^
/in/foo.cc: In function 'int main()':
/in/foo.cc:75:1: error: 'Dp' was not declared in this scope
   75 | Dp () ;
      | ^~