Whats wrong in this code? Form Biggest Number problem

#1

While giving inputs the answers are correct but test cases are not being passed

#2

Hi @roshani1997abr_911f71e73100e81b,
if u just sort the array u will get wrong ans
eg 10,100
your ans will be 10010 but ans is 10100
refer code : https://ide.codingblocks.com/s/661893

#3

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