Given a string, find the number of unique characters in the string. (all characters are in lower case) For eg: Input : "i love india" Output: 7 Explaination: unique characters are, [l,o,v,e,n,d,a]

AnswerBot
1y

The task is to find the number of unique characters in a given string.

  • Create an empty array to store unique characters.

  • Iterate through each character in the string.

  • If the character is not already pres...read more

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