static int countOp ( int arr [ ] , int n , int k ) {
  int operations = 0 ;
  for ( int i = 1 ;
  i < n ;
  i ++ ) {
    if ( Math . abs ( arr [ i ] - arr [ i - 1 ] ) > k ) {
      int absDiff = Math . abs ( arr [ i ] - arr [ i - 1 ] ) ;
      int currOp = absDiff - k ;
      if ( arr [ i ] < arr [ i - 1 ] ) arr [ i ] += currOp ;
      else arr [ i ] -= currOp ;
      operations += currOp ;
    }
  }
  return operations ;
}

static int countOp ( int arr [ ] , int n , int k ) { int operations = 0 ; for ( int i = 1 ; i < n ; i ++ ) { if ( Math . abs ( arr [ i ] - arr [ i - 1 ] ) > k ) { int absDiff = Math . abs ( arr [ i ] - arr [ i - 1 ] ) ; int currOp = absDiff - k ; if ( arr [ i ] < arr [ i - 1 ] ) arr [ i ] += currOp ; else arr [ i ] -= currOp ; operations += currOp ; } } return operations ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier) dimensions: (dimensions)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (if_statement condition: (parenthesized_expression (binary_expression left: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))) right: (identifier))) consequence: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (method_invocation object: (identifier) name: (identifier) arguments: (argument_list (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal)))))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (identifier) right: (identifier)))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (array_access array: (identifier) index: (binary_expression left: (identifier) right: (decimal_integer_literal))))) consequence: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) alternative: (expression_statement (assignment_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier)))) (expression_statement (assignment_expression left: (identifier) right: (identifier))))))) (return_statement (identifier))))