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1) I don't understand the use of < operator. Do we have to perform operator overloading?
how is it being used in the sort()
2) How can we restore the original order by sorting? wouldn't sorting work for alphabetically arranging or smth like that?
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1) I don't understand the use of < operator. Do we have to perform operator overloading? how is it being used in the sort() 2) How can we restore the original order by sorting? wouldn't sorting work for alphabetically arranging or smth like that?