29 lines
859 B
Rust
29 lines
859 B
Rust
use std::collections::HashSet;
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fn character_to_code(input: i32) -> i32 {
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if input >= ('a' as i32) {
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input - 96
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} else {
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input - 38
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}
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}
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pub fn solve_part1(file_path: &str) -> i32 {
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let binding =
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std::fs::read_to_string(file_path).expect("Please provide a text file as an argument.");
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binding
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.lines()
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.collect::<Vec<&str>>()
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.iter()
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.map(|item: &&str| {
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let (first, last) = item.split_at(item.len() / 2);
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let second = last.chars().collect::<HashSet<char>>();
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let intersection = first.chars().collect::<HashSet<char>>();
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let character = *intersection.intersection(&second).next().unwrap_or(&(0 as char)) as i32;
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character_to_code(character)
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})
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.collect::<Vec<i32>>()
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.iter()
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.sum::<i32>()
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}
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