Given an array in which all numbers except two are repeated once.
(i.e. we have 2n+2 numbers and n numbers are occurring twice and remaining two have occurred once).
Find those two numbers in the most efficient way.
example :
Arr = [1,2,3,1] => 2, 3 occurring once
Arr = [2, 3, 7, 9, 11, 2, 3, 11] => 7, 9 occurring once
(i.e. we have 2n+2 numbers and n numbers are occurring twice and remaining two have occurred once).
Find those two numbers in the most efficient way.
example :
Arr = [1,2,3,1] => 2, 3 occurring once
Arr = [2, 3, 7, 9, 11, 2, 3, 11] => 7, 9 occurring once
