61 lines
1.6 KiB
Rust
61 lines
1.6 KiB
Rust
pub fn process_part1(input: &str) -> i32 {
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input
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.lines()
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.map(|line| {
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let sides = line
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.split_whitespace()
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.map(|side| side.parse::<u32>().unwrap())
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.collect::<Vec<u32>>();
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if sides[0] + sides[1] > sides[2]
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&& sides[0] + sides[2] > sides[1]
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&& sides[1] + sides[2] > sides[0]
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{
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return 1;
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}
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0
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})
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.sum()
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}
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pub fn process_part2(input: &str) -> u32 {
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input
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.lines()
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.map(|line| {
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line.split_whitespace()
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.map(|side| side.parse::<u32>().unwrap())
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.collect::<Vec<u32>>()
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})
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.collect::<Vec<Vec<u32>>>()
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.chunks(3)
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.map(|line_triple| {
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(0..3)
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.map(|triangle_idx| {
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if line_triple[0][triangle_idx] + line_triple[1][triangle_idx]
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> line_triple[2][triangle_idx]
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&& line_triple[0][triangle_idx] + line_triple[2][triangle_idx]
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> line_triple[1][triangle_idx]
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&& line_triple[1][triangle_idx] + line_triple[2][triangle_idx]
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> line_triple[0][triangle_idx]
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{
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return 1;
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}
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0
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})
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.sum::<u32>()
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})
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.sum()
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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const INPUT: &str = " 5 10 25";
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#[test]
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fn part1() {
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let result = process_part1(INPUT);
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assert_eq!(result, 0);
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}
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}
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