Advent of Code solutions
trim the input
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2025/2/src/main.rs
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2025/2/src/main.rs
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fn main() {
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let file_contents = std::fs::read_to_string("./input.txt").expect("unable to read file");
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let ranges: Vec<(usize, usize)> = file_contents
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+
.trim_end()
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.split(',')
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.map(|r| r.split_once('-').unwrap())
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.map(|(lhs, rhs)| (lhs.parse::<usize>().unwrap(), rhs.parse::<usize>().unwrap()))