aoc2022/examples/day01_2.rs

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463 B
Rust
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2022-12-01 05:25:40 +00:00
fn main() -> Result<(), Box<dyn std::error::Error>> {
let lines = std::io::stdin().lines();
let mut elves = Vec::new();
let mut elf = 0;
for line in lines {
let line = line?;
if line.trim().is_empty() {
elves.push(elf);
elf = 0;
} else {
elf += line.parse::<i32>()?;
}
}
elves.sort();
elves.reverse();
println!("{}", elves[0] + elves[1] + elves[2]);
Ok(())
}