31 lines
669 B
Rust
31 lines
669 B
Rust
/**
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* [2716] Minimize String Length
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*/
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pub struct Solution {}
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// submission codes start here
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use std::collections::HashSet;
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use std::iter::FromIterator;
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impl Solution {
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pub fn minimized_string_length(s: String) -> i32 {
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let set: HashSet<u8> = HashSet::from_iter(s.bytes());
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set.len() as i32
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}
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}
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// submission codes end
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_2716() {
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assert_eq!(3, Solution::minimized_string_length("aaabc".to_owned()));
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assert_eq!(3, Solution::minimized_string_length("cbbd".to_owned()));
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assert_eq!(2, Solution::minimized_string_length("dddaaa".to_owned()));
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}
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}
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