public static int roundup ( int x ) {
  int ans = 0 ;
  if ( x % 2 == 0 ) {
    ans = x / 2 ;
  }
  else {
    ans = x / 2 + 1 ;
  }
  return ans ;
}

public static int roundup ( int x ) { int ans = 0 ; if ( x % 2 == 0 ) { ans = x / 2 ; } else { ans = x / 2 + 1 ; } return ans ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (decimal_integer_literal))) (if_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (identifier) right: (decimal_integer_literal))))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (binary_expression left: (binary_expression left: (identifier) right: (decimal_integer_literal)) right: (decimal_integer_literal)))))) (return_statement (identifier))))