aoc-02/.gitignore

@@ -1 +0,0 @@
-/target

aoc-02/Cargo.lock

@@ -1,7 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-version = 3
-
-[[package]]
-name = "aoc-02"
-version = "0.1.0"

aoc-02/Cargo.toml

@@ -1,8 +0,0 @@
-[package]
-name = "aoc-02"
-version = "0.1.0"
-edition = "2021"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]

aoc-02/src/main.rs

@@ -1,87 +0,0 @@
-use std::{fs::File, io::Read};
-
-struct ReportList {
-    reports: Vec<Vec<i64>>,
-}
-
-impl ReportList {
-    fn new() -> ReportList {
-        ReportList { reports: vec![] }
-    }
-
-    fn parse_data(&mut self, buf: String) {
-        for entry in buf.split('\n') {
-            let split_entries = entry.split(' ').collect::<Vec<&str>>();
-            let mut tmp_vec = Vec::<i64>::new();
-            for value in split_entries {
-                tmp_vec.push(value.parse::<i64>().unwrap());
-            }
-            self.reports.push(tmp_vec);
-        }
-    }
-
-    fn solve(&mut self) {
-        let mut safe = 0;
-        // direction: 0 Ascending, 1 Descending
-        let mut direction = 0;
-        for report in &self.reports {
-            let mut report_safe = true;
-            // Skip the first iteration
-            for (pos, entry) in report.iter().enumerate() {
-                if pos == 0 {
-                    continue;
-                }
-                if pos == 1 {
-                    // Check first two values and see if we need to be ascending or decending
-                    if &report[pos - 1] < entry {
-                        // We are ascending
-                        direction = 0;
-                    } else {
-                        // We are descending
-                        direction = 1;
-                    }
-                }
-
-                // Do the actual solution
-                if direction == 0 {
-                    // Check all values ascending
-                    if (entry - &report[pos - 1]) > 3 {
-                        report_safe = false;
-                    }
-                    if (entry - &report[pos - 1]) <= 0 {
-                        report_safe = false
-                    }
-                } else {
-                    // Check all values descending
-                    if (&report[pos - 1] - entry) > 3 {
-                        report_safe = false;
-                    }
-                    if (&report[pos - 1] - entry) <= 0 {
-                        report_safe = false
-                    }
-                }
-            }
-            if report_safe {
-                safe += 1;
-            }
-        }
-        println!("{}", safe);
-    }
-}
-
-fn load_file(path: String) -> String {
-    let mut buf = String::new();
-    let mut fp = File::open(path).expect("Unable to open file");
-
-    fp.read_to_string(&mut buf).expect("Failed to read file");
-
-    return buf;
-}
-
-fn main() {
-    let mut reportlist = ReportList::new();
-    let data = load_file(String::from("input"));
-
-    reportlist.parse_data(data);
-    reportlist.solve();
-}

aoc-02/test_input

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-7 6 4 2 1
-1 2 7 8 9
-9 7 6 2 1
-1 3 2 4 5
-8 6 4 4 1
-1 3 6 7 9
-9 7 6 3 1