private static int upperBound ( int [ ] a , int k ) {
  int left = - 1 ;
  int right = a . length ;
  while ( right - left > 1 ) {
    int mid = ( left + right ) / 2 ;
    if ( a [ mid ] < k ) {
      left = mid ;
    }
    else {
      right = mid ;
    }
  }
  return left ;
}

private static int upperBound ( int [ ] a , int k ) { int left = - 1 ; int right = a . length ; while ( right - left > 1 ) { int mid = ( left + right ) / 2 ; if ( a [ mid ] < k ) { left = mid ; } else { right = mid ; } } return left ; }
(method_declaration (modifiers) type: (integral_type) name: (identifier) parameters: (formal_parameters (formal_parameter type: (array_type element: (integral_type) dimensions: (dimensions)) name: (identifier)) (formal_parameter type: (integral_type) name: (identifier))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (unary_expression operand: (decimal_integer_literal)))) (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (field_access object: (identifier) field: (identifier)))) (while_statement condition: (parenthesized_expression (binary_expression left: (binary_expression left: (identifier) right: (identifier)) right: (decimal_integer_literal))) body: (block (local_variable_declaration type: (integral_type) declarator: (variable_declarator name: (identifier) value: (binary_expression left: (parenthesized_expression (binary_expression left: (identifier) right: (identifier))) right: (decimal_integer_literal)))) (if_statement condition: (parenthesized_expression (binary_expression left: (array_access array: (identifier) index: (identifier)) right: (identifier))) consequence: (block (expression_statement (assignment_expression left: (identifier) right: (identifier)))) alternative: (block (expression_statement (assignment_expression left: (identifier) right: (identifier))))))) (return_statement (identifier))))