33 lines
869 B
Rust
33 lines
869 B
Rust
pub fn part_1(input: &String) -> String {
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let elves: Vec<&str> = input.split("\n\n").collect();
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let mut highest_calorie_count: u64 = 0;
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for meals in elves.iter() {
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let mut elf_calorie_count= 0;
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for meal in meals.split_whitespace() {
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elf_calorie_count += meal.parse().unwrap_or(0);
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}
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if elf_calorie_count > highest_calorie_count {
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highest_calorie_count = elf_calorie_count;
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}
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}
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format!("{highest_calorie_count}")
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}
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pub fn part_2(input: &String) -> u64 {
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let mut elf_calorie_counts: Vec<u64> = input.split("\n\n").map(|elf| {
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elf.split_whitespace().map(|meal| meal.parse().unwrap_or(0)).sum()
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}).collect();
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elf_calorie_counts.sort_unstable();
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let start = elf_calorie_counts.len() - 3;
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let top_3 = elf_calorie_counts.drain(start..);
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top_3.sum()
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}
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