20 lines
727 B
Rust
20 lines
727 B
Rust
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use std::collections::HashSet;
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fn main() -> Result<(), Box<dyn std::error::Error>> {
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let lines: Vec<String> = std::io::stdin().lines().map(|x| x.unwrap()).collect();
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let mut result = 0;
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for line in lines {
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let chars: Vec<char> = line.chars().collect();
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let a: HashSet<char> = (chars[0..chars.len()/2]).iter().map(|x| *x).collect();
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let b: HashSet<char> = (chars[chars.len()/2..]).iter().map(|x| *x).collect();
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let c = *a.intersection(&b).next().unwrap();
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result += match c {
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'a'..='z' => (c as u32) - ('a' as u32) + 1,
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'A'..='Z' => (c as u32) - ('A' as u32) + 27,
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_ => todo!(),
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};
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}
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println!("{:?}", result);
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Ok(())
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}
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