How do we count the unique characters in a string in c++?

Правка en2, от saifalvi, 2020-04-26 14:15:59

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 to 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)