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119. relative complement, symmetric difference

VBScript

JScript

Perl

PHP

$a1 = array(1,2,3);
$a2 = array(2);
array_values(array_diff($a1, $a2))
none

Python

{1,2,3} - {2}
{1,2} ^ {2,3,4}

Ruby

require 'set'

[1,2,3] - [2]
Set[1,2] ^ Set[2,3,4]

PowerShell

Scala

F#

C

C++

C++Builder

VC++

C#

Java

Objective-C

D

VB

VB.NET

Delphi

Ada

PL/SQL

T-SQL