Lumimyrsky

use std::io::stdin;

// cses.fi ei käytä edition 2021?
use std::convert::TryInto;

/// Input:
/// 0 0 3 3 1 2 2 2 1 0
/// 0 1 2 3 2 2 3 0 1 1
/// output:
/// 1

fn main() -> Result<(), Box<dyn std::error::Error>> {
    let nousut: [isize; 2] = stdin().lines().map(|rivi| {
        // Lue luvut rivistä
        let luvut: Vec<isize> = rivi?
            .split_ascii_whitespace()
            .map(|s| s.parse())
            .collect::<Result<_, _>>()?;
        // Laske nousu luvuista
        let nousu = luvut
            .windows(2)
            .fold(0, |acc, arr| acc + (arr[1] - arr[0]).max(0));
        Ok(nousu)
    }).collect::<Result<Vec<_>, Box<dyn std::error::Error>>>()?
    .try_into()
    .unwrap();
    if nousut[0] < nousut[1] {
        println!("1");
    } else {
        println!("2");
    }
    Ok(())
}

Test 1

Verdict: ACCEPTED

Test 2

Verdict: ACCEPTED

Test 3

Verdict: ACCEPTED

Test 4

Verdict: ACCEPTED

Test 5

Verdict: ACCEPTED

Test 6

Verdict: ACCEPTED

Test 7

Verdict: ACCEPTED

Test 8

Verdict: ACCEPTED

Test 9

Verdict: ACCEPTED

Test 10

Verdict: ACCEPTED

Test 11

Verdict: ACCEPTED