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pub fn run(input: Vec<String>)
{
// Convert inputs to unsigned integer numbers
let input: Vec<u32> = input
.into_iter()
.map(|s| {
s.parse()
.expect("All lines are required to be unsigned integers")
})
.collect();
part1(&input);
part2(&input);
}
fn part1(input: &[u32])
{
let mut last_depth = u32::MAX;
let num_down_slopes = input
.iter()
.filter(|&depth| {
let going_deeper = *depth > last_depth;
last_depth = *depth;
going_deeper
})
.count();
println!("Solution to part 1: {}", num_down_slopes);
}
fn part2(input: &[u32])
{
let mut last_aliased_depth = u32::MAX;
let num_aliased_down_slopes = input
.windows(3)
.filter(|&depths| {
let aliased_depth: u32 = depths.iter().sum();
let going_deeper = aliased_depth > last_aliased_depth;
last_aliased_depth = aliased_depth;
going_deeper
})
.count();
println!("Solution to part 2: {}", num_aliased_down_slopes);
}
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