Sorting based upon length

#1

Hello sir,
Could you please explain the use of
return a > b;
return a.length() > b.length() in compare function??

#2

  1. return a>b;
    a>b, will check if a is lexicographicaly greater than b or not.
    If a is greater than, it will return 1
    Else, 0

  2. return a.length()>b.length()
    length() function is used to calculate the length of string.
    So, this statement will sort strings on the basis of their length(no. of cahracters)

#3

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