static int rangesum ( int n , int l , int r ) {
  int [ ] arr = new int [ n ] ;
  int c = 1 , i = 0 ;
  while ( c <= n ) {
    arr [ i ++ ] = c ;
    c += 2 ;
  }
  c = 2 ;
  while ( c <= n ) {
    arr [ i ++ ] = c ;
    c += 2 ;
  }
  int sum = 0 ;
  for ( i = l - 1 ;
  i < r ;
  i ++ ) {
    sum += arr [ i ] ;
  }
  return sum ;
}

static int rangesum ( int n , int l , int r ) { int [ ] arr = new int [ n ] ; int c = 1 , i = 0 ; while ( c <= n ) { arr [ i ++ ] = c ; c += 2 ; } c = 2 ; while ( c <= n ) { arr [ i ++ ] = c ; c += 2 ; } int sum = 0 ; for ( i = l - 1 ; i < r ; i ++ ) { sum += arr [ i ] ; } return sum ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (array_type element: (integral_type) dimensions: (dimensions)) declarator: (variable_declarator name: (identifier) value: (array_creation_expression type: (integral_type) dimensions: (dimensions_expr (identifier))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal)) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (update_expression (identifier))) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))) (while_statement condition: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) body: (block (expression_statement (assignment_expression left: (array_access array: (identifier) index: (update_expression (identifier))) right: (identifier))) (expression_statement (assignment_expression left: (identifier) right: (decimal_integer_literal))))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (for_statement init: (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))) condition: (binary_expression left: (identifier) right: (identifier)) update: (update_expression (identifier)) body: (block (expression_statement (assignment_expression left: (identifier) right: (array_access array: (identifier) index: (identifier)))))) (return_statement (identifier))))