My Code is giving wrong output
Find all elements with two frequency
hello @basitakram4
a) declared array with size n+1 (because we want to acces index n as well)
b) u were pushing arr[i] but it might possible that arr[i] is negative so added abs(arr[i])
c) it might happen that there is no element with frequency 2 thats why added if statement while printing output to avoid run error
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