static int sum ( int arr [ ] , int l , int r ) {
  int s = 0 ;
  for ( int i = l ;
  i <= r ;
  i ++ ) {
    s += arr [ i ] ;
  }
  return s ;
}

static int sum ( int arr [ ] , int l , int r ) { int s = 0 ; for ( int i = l ; i <= r ; i ++ ) { s += arr [ i ] ; } return s ; }
(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: (identifier))) 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))))