upload day 1

day1/Cargo.lock

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+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day1"
+version = "0.1.0"

day1/Cargo.toml

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+[package]
+name = "day1"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

day1/src/main.rs

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+use std::fs;
+
+fn main() {
+    let input = fs::read_to_string("input.txt").unwrap();
+    let input = input.split('\n');
+    let mut sum = 0;
+    for line in input {
+        let str_nums: Vec<(&str, &str)> = vec![("one", "1"), ("two", "2"), ("three", "3"), ("four", "4"), ("five", "5"), ("six", "6"), ("seven", "7"), ("eight", "8"), ("nine", "9")];
+        let mut matches: Vec<(usize, &str)> = vec![];
+        for str_num in str_nums {
+            // Get every alphabetic number in the string with it's index
+            let str_match: Vec<_> = line.match_indices(str_num.0).collect();
+            // convert the string to a numeral
+            let mut str_match: Vec<_> = str_match.iter().map(|x| return (x.0, str_num.1)).collect();
+            matches.append(&mut str_match);
+        }
+        // get the numerials from the line with their index
+        let mut num_matches: Vec<(usize, &str)> = line.match_indices(|x: char| x.is_numeric()).collect();
+        matches.append(&mut num_matches);
+        // sort by index
+        matches.sort_by(|lhs, rhs| lhs.cmp(rhs));
+        let num = (matches.first().unwrap().1).to_owned() + (matches.last().unwrap().1);
+        sum += num.parse::<i32>().unwrap();
+    }
+
+    println!("{}", sum);
+}
+
+
+
+
+
+// use std::fs;
+
+// fn main() {
+//     let input = fs::read_to_string("input.txt").unwrap();
+//     let input = input.split('\n');
+//     let mut sum = 0;
+//     for line in input {
+//         let chars: Vec<char>= line.chars().filter(|x| x.is_numeric()).collect();
+//         let mut num = chars.first().unwrap().to_string();
+//         num += &chars.last().unwrap().to_string();
+//         let num: u32 = num.parse().unwrap();
+//         sum += num;
+//     }
+
+//     println!("{}", sum);
+// }