Compare Function?

#1

How does this Compare function work in general ? please provide the detail explanation of numeric and lexicographic
comparison

#2

@StreamerX

  1. numeric comparison : in the compare function(int a,int b) return a<b; this will sort the array in increasing order. here the value of a and b is considered.
  2. String comparison : in the compare function(string a,string b) return a<b; this will sort the array in lexicographical order. lexicographical order is similar to what you find in the english dictionary.
#3

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