public static void solve ( int v ) {
  int size = win [ v ] . size ( ) ;
  if ( size == 0 ) {
    dp [ v ] = 1 ;
    return ;
  }
  int [ ] d = new int [ size ] ;
  for ( int i = 0 ;
  i < size ;
  i ++ ) {
    int t = win [ v ] . get ( i ) ;
    solve ( t ) ;
    d [ i ] = dp [ t ] ;
  }
  Arrays . sort ( d ) ;
  int depth = 0 ;
  for ( int i = 0 ;
  i < size ;
  i ++ ) {
    if ( depth < size - i + d [ i ] ) depth = size - i + d [ i ] ;
  }
  dp [ v ] = depth ;
}

public static void solve ( int v ) { int size = win [ v ] . size ( ) ; if ( size == 0 ) { dp [ v ] = 1 ; return ; } int [ ] d = new int [ size ] ; for ( int i = 0 ; i < size ; i ++ ) { int t = win [ v ] . get ( i ) ; solve ( t ) ; d [ i ] = dp [ t ] ; } Arrays . sort ( d ) ; int depth = 0 ; for ( int i = 0 ; i < size ; i ++ ) { if ( depth < size - i + d [ i ] ) depth = size - i + d [ i ] ; } dp [ v ] = depth ; }
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