Regarding compare function

#1

i want to know how it works

#2

@ranjan.prashant3655 hey,compare() is a public member function of string class. It compares the value of the string object (or a substring) to the sequence of characters specified by its arguments.
The compare() can process more than one argument for each string so that one can specify a substring by its index and by its length.
Return type : compare() returns an integer value rather than a Boolean value.
Here is syntax:
int string::compare (string str)
Returns:
0 : if both strings are equal.
A value < 0 : if *this is shorter than str or,
first character that doesn’t match is smaller than str.
A value > 0 : if *this is longer than str or,
first character that doesn’t match is greater
this refer to string which called this function.

#3

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