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how to swap 3 nos without using temporary variable

Answers were Sorted based on User's Feedback



how to swap 3 nos without using temporary variable..

Answer / prashant bhanushali

a = a + b
b = a - b
a = a - b

Is This Answer Correct ?    11 Yes 2 No

how to swap 3 nos without using temporary variable..

Answer / ganesh

a=a+b+c;
b=a-(b+c);
c=a-(b+c);
a=a-(b+c);

Is This Answer Correct ?    8 Yes 0 No

how to swap 3 nos without using temporary variable..

Answer / vivek

<?php
$a=10;
$b=20;
$c=30;


list($b,$c,$a) = array($a,$b,$c);

echo $a;
echo $b;
echo $c;


$a = $a ^ $b;
$b = $a ^ $b;
$a = $a ^ $b;
echo $a . $b;
?>

Is This Answer Correct ?    3 Yes 2 No

how to swap 3 nos without using temporary variable..

Answer / saurabh sinha

a=a^b;
b=b^a;
a=a^b;

Is This Answer Correct ?    1 Yes 0 No

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