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deleted file mode 100644
index c3037b3..0000000
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diff --git a/day-14/Cargo.toml b/day-14/Cargo.toml
deleted file mode 100644
index 5bc52e1..0000000
--- a/day-14/Cargo.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-[package]
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deleted file mode 100644
index adca8d4..0000000
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-mem[42192] = 761948
-mask = 01111X1X111001010XX01111X1111101X011
-mem[15002] = 5761
-mem[57522] = 781049282
-mem[58771] = 36590
-mem[50845] = 895780041
-mask = 1110100X1110X10001X011X0100X1X11XX0X
-mem[28451] = 29180808
-mem[49154] = 106361
-mem[19472] = 962416
-mask = X001X1XX011010001X00X1111010X011100X
-mem[472] = 20077
-mem[44685] = 88446
-mem[46048] = 3015039
-mem[61697] = 1680
-mem[65441] = 420953
-mask = 010111X0001XX100010001101X0000001011
-mem[7230] = 105401132
-mem[37903] = 49164
-mem[2407] = 15927
-mem[62905] = 2466
-mem[6996] = 275026478
-mask = 0010X0X0111011000X00101X010000101100
-mem[20747] = 130064892
-mem[227] = 14848571
-mask = 1X101X0011100100X10X11000XX00XX0010X
-mem[18075] = 4105
-mem[7692] = 10369
-mem[34480] = 70016
-mem[54747] = 178664159
-mem[31770] = 4308718
-mem[25940] = 286972
-mask = 1X1X100011110X10X000X00XX01001000001
-mem[18927] = 433001153
-mem[56004] = 381
-mem[7713] = 560209289
-mem[55758] = 1791814
-mem[12953] = 174435
-mem[40556] = 1415
-mask = X01X101001110XX00001000X10000X010000
-mem[62126] = 15628
-mem[53714] = 392410
-mem[49154] = 13065
-mask = 001X1000X0X010XX01X0X000X1000000X100
-mem[8723] = 64433454
-mem[6757] = 1682978
-mem[60483] = 13735
-mask = 01011X01011XX1111X001X110000X01100XX
-mem[64013] = 806538
-mem[51273] = 32346
-mask = 00X11101011011010110101X0011110XX001
-mem[55121] = 416007913
-mem[44077] = 5865583
-mem[64585] = 323728
-mask = 101X100X11X100X01000100X01000X100001
-mem[60817] = 42192
-mem[6757] = 4925545
-mem[33281] = 6862960
-mem[21115] = 11608810
-mask = XXX0X11000101X010100X010101X10001000
-mem[42505] = 6795
-mem[27245] = 671587340
-mem[43412] = 8741321
-mem[2793] = 1114109
-mem[34194] = 2767551
-mask = 0X111X0001111101010010001001XX1X1110
-mem[21794] = 1041902
-mem[22992] = 3666
-mem[63730] = 46469539
-mask = 000110X10X001101X00X011110X011010001
-mem[6617] = 22675825
-mem[9131] = 24859225
-mask = 001X1X0XX010X10010001X0001000010XX10
-mem[28267] = 491581202
-mem[7622] = 154622
-mem[49279] = 1164052
-mem[6361] = 62173
-mem[29823] = 6599915
-mask = 01X0XX1X0X10110101001010101XX11X1000
-mem[50472] = 5878
-mem[3981] = 896
-mem[39714] = 74
-mem[6898] = 1993
-mem[8193] = 487
-mask = 0001X100111011X000000110X00X01000000
-mem[25162] = 323406673
-mem[43610] = 647412
-mem[54042] = 811029198
-mem[13461] = 33008731
-mem[17432] = 766541
-mem[45290] = 167819285
-mask = 00110X000110010000XXX111011101010010
-mem[10481] = 1969
-mem[61056] = 100302708
-mem[62768] = 97484359
-mask = 0X0XX100001X11XX0100010010X001001X10
-mem[11117] = 90479
-mem[51399] = 5088
-mem[65489] = 273
-mem[29185] = 9519
-mem[46096] = 669
-mask = 01111X0XXX111X11X1X01010100X01X00001
-mem[6256] = 8901226
-mem[38934] = 11506
-mem[4000] = 49916408
-mem[31753] = 7960142
-mem[61777] = 22041
-mask = X11110001110110X000X011100X00XX00001
-mem[37652] = 309890
-mem[4955] = 6491368
-mask = 0X1X110000X00X001000011000100110X011
-mem[35882] = 20171
-mem[14041] = 542
-mem[973] = 33148060
-mem[61056] = 2230
-mem[30545] = 2890
-mem[48094] = 745799437
-mask = 1011000011X1111000X0X1XX11X1X10X0101
-mem[61322] = 765242
-mem[6315] = 7001612
-mem[11278] = 12973
-mem[59259] = 2040
-mem[46184] = 498
-mask = X01X10101X1X0100000X10101011X110X011
-mem[1103] = 6682
-mem[49066] = 528792283
-mem[42040] = 222766
diff --git a/day-14/src/main.rs b/day-14/src/main.rs
deleted file mode 100644
index 0b4a865..0000000
--- a/day-14/src/main.rs
+++ /dev/null
@@ -1,162 +0,0 @@
-use std::collections::HashMap;
-use std::fs;
-
-use itertools::Itertools;
-use lazy_static::lazy_static;
-use regex::Regex;
-
-const MASK_36_BITS: u64 = 0xFFFFFFFFF;
-
-fn main() -> Result<(), Box<dyn std::error::Error>> {
- let input = fs::read_to_string("input")?;
- let program = parse_program(&input)?;
-
- // Part 1
- let memory = run_program_chip1(&program);
- println!("{}", memory.iter().map(|(_, value)| value).sum::<u64>());
-
- // Part 2
- let memory = run_program_chip2(&program);
- println!("{}", memory.iter().map(|(_, value)| value).sum::<u64>());
-
- Ok(())
-}
-
-#[derive(Copy, Clone, Debug)]
-enum Instruction {
- Mask(u64, u64, u64),
- Mem(u64, u64),
-}
-
-impl Instruction {
- fn new(instruction: &str) -> Result<Self, String> {
- lazy_static! {
- static ref INSTRUCTION_RE: Regex =
- Regex::new(r"([[:alpha:]]+?)\[?(\d+?)?\]? = ([0-9X]+)")
- .expect("Regex should compile");
- }
-
- let caps = INSTRUCTION_RE
- .captures(instruction)
- .ok_or("Instruction did not match")?;
-
- Ok(match &caps[1] {
- "mask" => {
- let and = u64::from_str_radix(&caps[3].replace("X", "1"), 2)
- .map_err(|e| format!("Could not parse and: {}", e))?;
- let or = u64::from_str_radix(&caps[3].replace("X", "0"), 2)
- .map_err(|e| format!("Could not parse or: {}", e))?;
-
- Instruction::Mask(and, or, and ^ or)
- }
- "mem" => {
- let location = caps[2]
- .parse()
- .map_err(|e| format!("Could not parse location: {}", e))?;
- let value = caps[3]
- .parse()
- .map_err(|e| format!("Could not parse value: {}", e))?;
-
- Instruction::Mem(location, value)
- }
- _ => Err("Invalid instruction")?,
- })
- }
-}
-
-fn parse_program(input: &str) -> Result<Vec<Instruction>, String> {
- input.lines().map(Instruction::new).collect()
-}
-
-fn run_program_chip1(program: &Vec<Instruction>) -> Vec<(u64, u64)> {
- let mut mask = (u64::max_value() & MASK_36_BITS, 0);
-
- program
- .iter()
- .filter_map(|instruction| match instruction {
- Instruction::Mask(and, or, _) => {
- mask = (*and, *or);
- None
- }
- Instruction::Mem(address, value) => Some((*address as u64, value & mask.0 | mask.1)),
- })
- .collect::<Vec<(u64, u64)>>()
- .into_iter()
- .rev()
- .unique_by(|address| address.0)
- .collect()
-}
-
-fn run_program_chip2(program: &Vec<Instruction>) -> Vec<(u64, u64)> {
- let mut memory = HashMap::new();
- let mut mask = (0, 0);
-
- for instruction in program {
- match instruction {
- Instruction::Mask(_, or, floating) => {
- mask = (*or, *floating);
- }
- Instruction::Mem(address, value) => {
- // We set floating bits to 0 here, so that they can be
- // toggled with addition
- let base = (address | mask.0) & !mask.1 & MASK_36_BITS;
-
- let mut floating = !mask.1 & MASK_36_BITS;
- while floating <= MASK_36_BITS {
- // For each unset bit in the floating mask, we
- // toggle the bit in the address
- memory.insert(base | (!floating & MASK_36_BITS), *value);
- floating += 1;
-
- // Since add does overflows, we reset 1s to 0s if
- // they're unset in the original mask
- floating |= !mask.1 & MASK_36_BITS;
- }
- }
- }
- }
-
- memory.drain().collect()
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
- use indoc::indoc;
-
- #[test]
- fn test_simple() -> Result<(), Box<dyn std::error::Error>> {
- let input = indoc!(
- "
- mask = XXXXXXXXXXXXXXXXXXXXXXXXXXXXX1XXXX0X
- mem[8] = 11
- mem[7] = 101
- mem[8] = 0
- "
- );
-
- let program = parse_program(input)?;
- let memory = run_program_chip1(&program);
-
- assert_eq!(memory.iter().map(|(_, value)| value).sum::<u64>(), 165);
- Ok(())
- }
-
- #[test]
- fn test_simple2() -> Result<(), Box<dyn std::error::Error>> {
- let input = indoc!(
- "
- mask = 000000000000000000000000000000X1001X
- mem[42] = 100
- mask = 00000000000000000000000000000000X0XX
- mem[26] = 1
- "
- );
-
- let program = parse_program(input)?;
- let memory = dbg!(run_program_chip2(&program));
-
- assert_eq!(memory.iter().map(|(_, value)| value).sum::<u64>(), 208);
- Ok(())
- }
-}
diff --git a/day-15/Cargo.lock b/day-15/Cargo.lock
deleted file mode 100644
index 1135a55..0000000
--- a/day-15/Cargo.lock
+++ /dev/null
@@ -1,78 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
-name = "day-15"
-version = "0.1.0"
-dependencies = [
- "indoc",
-]
-
-[[package]]
-name = "indoc"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "47741a8bc60fb26eb8d6e0238bbb26d8575ff623fdc97b1a2c00c050b9684ed8"
-dependencies = [
- "indoc-impl",
- "proc-macro-hack",
-]
-
-[[package]]
-name = "indoc-impl"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ce046d161f000fffde5f432a0d034d0341dc152643b2598ed5bfce44c4f3a8f0"
-dependencies = [
- "proc-macro-hack",
- "proc-macro2",
- "quote",
- "syn",
- "unindent",
-]
-
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
-
-[[package]]
-name = "proc-macro2"
-version = "1.0.24"
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-checksum = "1e0704ee1a7e00d7bb417d0770ea303c1bccbabf0ef1667dae92b5967f5f8a71"
-dependencies = [
- "unicode-xid",
-]
-
-[[package]]
-name = "quote"
-version = "1.0.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "aa563d17ecb180e500da1cfd2b028310ac758de548efdd203e18f283af693f37"
-dependencies = [
- "proc-macro2",
-]
-
-[[package]]
-name = "syn"
-version = "1.0.54"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9a2af957a63d6bd42255c359c93d9bfdb97076bd3b820897ce55ffbfbf107f44"
-dependencies = [
- "proc-macro2",
- "quote",
- "unicode-xid",
-]
-
-[[package]]
-name = "unicode-xid"
-version = "0.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f7fe0bb3479651439c9112f72b6c505038574c9fbb575ed1bf3b797fa39dd564"
-
-[[package]]
-name = "unindent"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f14ee04d9415b52b3aeab06258a3f07093182b88ba0f9b8d203f211a7a7d41c7"
diff --git a/day-15/Cargo.toml b/day-15/Cargo.toml
deleted file mode 100644
index 5d876d5..0000000
--- a/day-15/Cargo.toml
+++ /dev/null
@@ -1,10 +0,0 @@
-[package]
-name = "day-15"
-version = "0.1.0"
-authors = ["Tristan Daniël Maat <tm@tlater.net>"]
-edition = "2018"
-
-# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
-
-[dependencies]
-indoc = "0.3"
diff --git a/day-15/src/main.rs b/day-15/src/main.rs
deleted file mode 100644
index 8aa0f24..0000000
--- a/day-15/src/main.rs
+++ /dev/null
@@ -1,121 +0,0 @@
-use std::collections::HashMap;
-
-fn main() -> Result<(), Box<dyn std::error::Error>> {
- // Part 1
- let numbers = parse_numbers("1,20,11,6,12,0")?;
- let result = play(&numbers, 2020);
- println!("{}", result);
-
- // Part 2
- let numbers = parse_numbers("1,20,11,6,12,0")?;
- let result = play(&numbers, 30000000);
- println!("{}", result);
-
- Ok(())
-}
-
-fn parse_numbers(input: &str) -> Result<Vec<u32>, std::num::ParseIntError> {
- input.split(',').map(|number| number.parse()).collect()
-}
-
-fn play(numbers: &Vec<u32>, turns: usize) -> u32 {
- let mut said = HashMap::new();
- for (turn, number) in numbers.iter().enumerate() {
- said.insert(*number, (turn + 1, 0));
- }
- let mut last = *numbers.last().expect("Must have at least one number");
-
- for turn in numbers.len()..turns {
- match said.get(&last) {
- Some((_, 0)) | None => {
- last = 0;
-
- let entry = said.entry(last).or_insert((0, 0));
- *entry = (turn + 1, entry.0);
- }
- Some((last_turn, last_last_turn)) => {
- last = (last_turn - last_last_turn) as u32;
-
- let entry = said.entry(last).or_insert((0, 0));
- *entry = (turn + 1, entry.0);
- }
- };
- }
-
- last
-}
-
-#[cfg(test)]
-mod tests {
- use super::*;
-
- #[test]
- fn test_simple() -> Result<(), Box<dyn std::error::Error>> {
- let input = "0,3,6";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 436);
- Ok(())
- }
-
- #[test]
- fn test_simple0() -> Result<(), Box<dyn std::error::Error>> {
- let input = "1,3,2";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 1);
- Ok(())
- }
-
- #[test]
- fn test_simple1() -> Result<(), Box<dyn std::error::Error>> {
- let input = "2,1,3";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 10);
- Ok(())
- }
-
- #[test]
- fn test_simple2() -> Result<(), Box<dyn std::error::Error>> {
- let input = "1,2,3";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 27);
- Ok(())
- }
-
- #[test]
- fn test_simple3() -> Result<(), Box<dyn std::error::Error>> {
- let input = "2,3,1";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 78);
- Ok(())
- }
-
- #[test]
- fn test_simple4() -> Result<(), Box<dyn std::error::Error>> {
- let input = "3,2,1";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 438);
- Ok(())
- }
-
- #[test]
- fn test_simple5() -> Result<(), Box<dyn std::error::Error>> {
- let input = "3,1,2";
- let numbers = parse_numbers(input)?;
- let result = play(&numbers, 2020);
-
- assert_eq!(result, 1836);
- Ok(())
- }
-}