Subset problem re

[sg56330 (Sarthak Gupta)]

question https://hack.codingblocks.com/contests/c/512/513
my code
https://ide.codingblocks.com/s/52627

[sanjeetboora]

Hey Sarthak, your code is not giving the correct output when there are repeated numbers in the array. for eg.

input:
4
1
2
1
2
3

your code’s output:
3
1 2 2 1 1 2

but the expected output is:
4
1 2 1 2 2 1 1 2