From ea583b8c165d9678e75c881e62beb828dac5dd5f Mon Sep 17 00:00:00 2001 From: nekineki Date: Tue, 3 Dec 2024 10:23:57 +0100 Subject: update day02, day03 --- 2024/day02.rs | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) (limited to '2024/day02.rs') diff --git a/2024/day02.rs b/2024/day02.rs index b573d5c..798df97 100644 --- a/2024/day02.rs +++ b/2024/day02.rs @@ -4,10 +4,8 @@ use std::env; use std::fs::File; use std::io::Read; +use itertools::Itertools; -fn is_all_same(arr: &[bool]) -> bool { - arr.windows(2).all(|w| w[0] == w[1]) -} fn is_safe(arr: &[i32]) -> bool { let diff: Vec = arr.windows(2).map(|w| w[0] - w[1]).collect(); @@ -15,7 +13,7 @@ fn is_safe(arr: &[i32]) -> bool { .iter() .map(|a| (3 >= a.abs()) && (a.abs() >= 1)) .all(|a| a); - let sign_ok = is_all_same(&diff.iter().map(|a| *a > 0).collect::>()); + let sign_ok = diff.iter().map(|a| *a > 0).all_equal(); inc_ok && sign_ok } -- cgit v1.2.3