delete accidental submodule

old/day04/Cargo.lock

@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 3
+
+[[package]]
+name = "day4"
+version = "0.1.0"

old/day04/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "day4"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]

old/day04/src/main.rs

@@ -0,0 +1,99 @@
+use std::fs;
+use std::collections::VecDeque;
+
+fn main() {
+    let input = fs::read_to_string("input.txt").unwrap();
+
+    // an array in this format [[card 1: [winning nums][ our nums]]]
+    let input: Vec<_> = input.split('\n') // split days
+        .map(|card| &card[(card.find(':').unwrap() + 1)..]) // remove day numbers
+        .map(|card| card.trim()) // trim extra whitespace
+        .map(|card| {
+            card.split('|') // split winning/own numbers
+            .map(|numbers| {
+                numbers.trim() // trim whitespace
+                .split(' ') // split into individual nums
+                .filter(|x| !x.is_empty()) // remove empty strings
+                .map(|x| {return x.parse::<i32>().unwrap()}) // convert to i32
+                .collect::<Vec<_>>()
+            })
+            .collect::<Vec<_>>()
+        })
+        .collect();
+
+    let mut queue = VecDeque::from((0..input.len()).collect::<Vec<usize>>());
+
+    let mut total_cards = 0;
+    while !queue.is_empty() {
+        let card_num = queue.pop_front().unwrap();
+        let card = input.get(card_num).unwrap();
+        total_cards += 1;
+        let mut dup_cards = 0;
+        let winning_nums = card.first().unwrap();
+        let our_nums = card.last().unwrap();
+
+        //dp would kill here, but im lazy
+        for num in our_nums {
+            if winning_nums.contains(num) {
+                dup_cards += 1;
+            }
+        }
+        for card in (card_num + 1)..=(card_num + dup_cards) {
+            if card < input.len() {
+                queue.push_back(card);
+            }
+        }
+    }
+
+
+
+    println!("{:?}", total_cards);
+}
+
+
+// use std::fs;
+
+// fn main() {
+//     let input = fs::read_to_string("input.txt").unwrap();
+
+//     // an array in this format [[card 1: [winning nums][ our nums]]]
+//     let input: Vec<_> = input.split('\n') // split days
+//         .map(|card| &card[(card.find(':').unwrap() + 1)..]) // remove day numbers
+//         .map(|card| card.trim()) // trim extra whitespace
+//         .map(|card| {
+//             card.split('|') // split winning/own numbers
+//             .map(|numbers| {
+//                 numbers.trim() // trim whitespace
+//                 .split(' ') // split into individual nums
+//                 .filter(|x| !x.is_empty()) // remove empty strings
+//                 .map(|x| {return x.parse::<i32>().unwrap()}) // convert to i32
+//                 .collect::<Vec<_>>()
+//             })
+//             .collect::<Vec<_>>()
+//         })
+//         .collect();
+
+//     let mut total_pts = 0;
+//     for card in input {
+//         let mut card_pts = 0;
+//         let winning_nums = card.first().unwrap();
+//         let our_nums = card.last().unwrap();
+
+//         for num in our_nums {
+//             if winning_nums.contains(num) {
+//                 if card_pts == 0 {
+//                     card_pts = 1;
+//                 } else {
+//                     card_pts *= 2;
+//                 }
+//             }
+//         }
+
+//         //println!("{}", card_pts);
+//         total_pts += card_pts;
+//     }
+
+
+
+//     println!("{:?}", total_pts);
+// }