How to count the unique characters in a string in c++?

Правка en1, от saifalvi, 2020-04-26 14:14:49

236A - Boy or Girl In this problem we have to find out if the number of distinct characters in one's user name is odd or even. How do I count the unique characters in a string in c++? TIA.

Теги #string, 800, #implementaion

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en2 Английский saifalvi 2020-04-26 14:15:59 9 Tiny change: 'even. How do I count the' -> 'even. How to count the'
en1 Английский saifalvi 2020-04-26 14:14:49 239 Initial revision (published)