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20 lines
511 B
20 lines
511 B
7 years ago
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use failure::*;
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pub fn solve(input: &str) -> Result<String, Error> {
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Ok(
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input
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.trim()
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.split("\n")
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.map(|row| {
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let row: Vec<_> = row.split("\t")
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.map(|x| x.parse::<usize>().unwrap())
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.collect();
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let min = row.iter().min().unwrap();
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let max = row.iter().max().unwrap();
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max - min
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})
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.sum::<usize>()
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.to_string(),
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)
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}
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