advent-of-code-2022/src/day_1.rs

24 lines
567 B
Rust

use std::fs;
pub fn day_1() -> String {
let input = fs::read_to_string("input/day_1.txt").unwrap();
let elves: Vec<&str> = input.split("\n\n").collect();
let mut highest_calorie_count: u64 = 0;
for meals in elves.iter() {
let mut elf_calorie_count= 0;
for meal in meals.split_whitespace() {
elf_calorie_count += meal.parse().unwrap_or(0);
}
if elf_calorie_count > highest_calorie_count {
highest_calorie_count = elf_calorie_count;
}
}
format!("{highest_calorie_count}")
}