Good String
Practice
3.9 (38 votes)
Ad Hoc
Approved
Basic programming
Easy
Implementation
Problem
93% Success 14961 Attempts 20 Points 1s Time Limit 256MB Memory 1024 KB Max Code
Given a string S, print the minimum number of characters you have to remove from the string S to make it a good string. A good string is a string in which all the characters are distinct.
Input:
First line of input contains a string S, \((1 \le |S| \le 10^5)\). S consists of lowercase characters only.
Output:
Print an integer denoting the minimum number of characters you have to remove from S to make it a good string.
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