Lumimyrsky

use std::io::{BufRead, BufReader};

fn main() -> std::io::Result<()> {
    let mut input = BufReader::new(std::io::stdin());
    let mut path1_input: String = "".to_owned();
    let mut path2_input: String = "".to_owned();
    input.read_line(&mut path1_input)?;
    input.read_line(&mut path2_input)?;
    let path1: Vec<i32> = path1_input
        .split_whitespace()
        .map(|num| num.parse().unwrap())
        .collect();
    let path2: Vec<i32> = path2_input
        .split_whitespace()
        .map(|num| num.parse().unwrap())
        .collect();

    let mut path1_shifted = path1.clone();
    path1_shifted.rotate_right(1);
    let mut path2_shifted = path2.clone();
    path2_shifted.rotate_right(1);

    let path1_rise: i32 = path1
        .iter()
        .zip(path1_shifted.iter())
        .map(|(a, b)| a - b)
        .skip(1)
        .filter(|x| x > &0)
        .sum();

    let path2_rise: i32 = path2
        .iter()
        .zip(path2_shifted.iter())
        .map(|(a, b)| a - b)
        .skip(1)
        .filter(|x| x > &0)
        .sum();

    dbg!(path1_rise);
    dbg!(path2_rise);
    match path1_rise > path2_rise {
        true => println!("2"),
        false => println!("1"),
    }
    Ok(())
}

Test 1

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 2
[input/code.rs:40] path2_rise = 5

Test 2

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 1
[input/code.rs:40] path2_rise = 2

Test 3

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 3
[input/code.rs:40] path2_rise = 5

Test 4

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 15
[input/code.rs:40] path2_rise = 14

Test 5

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 17
[input/code.rs:40] path2_rise = 10

Test 6

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 10
[input/code.rs:40] path2_rise = 25

Test 7

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 160
[input/code.rs:40] path2_rise = 188

Test 8

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 188
[input/code.rs:40] path2_rise = 112

Test 9

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 189
[input/code.rs:40] path2_rise = 111

Test 10

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 222
[input/code.rs:40] path2_rise = 187

Test 11

Verdict: ACCEPTED

[input/code.rs:39] path1_rise = 80
[input/code.rs:40] path2_rise = 124