Day 1

.gitignore

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+/target

Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "AdventOfCode2022"
+version = "0.1.0"

Cargo.toml

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+[package]
+name = "AdventOfCode2022"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

src/d01.rs

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+use std::fs;
+
+pub fn d01() {
+    let path = "res/01/input.txt";
+
+    let contents = fs::read_to_string(path)
+        .expect("Should have been able to read the file");
+
+    let cont_arr = contents.split("\n");
+    
+    let mut calories = Vec::<i32>::new();
+    calories.push(0);
+
+    let mut index = 0;
+    cont_arr.into_iter().for_each(|i| {
+        if i == "" {
+            index+=1;
+            calories.push(0);
+        } else {
+            calories[index] += i.parse::<i32>().unwrap();
+        }
+    });
+
+    let mut max = 0;
+    calories.clone().into_iter().for_each(|i| {
+        if i > max {
+            max = i;
+        }
+    });
+
+    println!("Result 1: {}", max);
+
+    calories.sort();
+
+    let res3: i32 = calories.clone().into_iter().rev().take(3).sum();
+
+    println!("Result 2: {}", res3); 
+}

src/main.rs

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+mod d01;
+
+fn main() {
+    d01::d01();
+}