mirror of
https://github.com/RussellChamp/advent-of-code-2016.git
synced 2026-10-27 23:32:30 +00:00
Several more working days
This commit is contained in:
Russell Champoux committed
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b8722aa652
commit
bf09613292
11 files changed
+548
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Generated
+98
@@ -0,0 +1,98 @@
|
||||
[root]
|
||||
name = "day10"
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version = "0.1.0"
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dependencies = [
|
||||
"regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
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||||
]
|
||||
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||||
[[package]]
|
||||
name = "aho-corasick"
|
||||
version = "0.5.3"
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||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "kernel32-sys"
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version = "0.2.2"
|
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source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "0.1.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "0.1.80"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "thread-id"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "0.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "utf8-ranges"
|
||||
version = "0.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-build"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[metadata]
|
||||
"checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
|
||||
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
|
||||
"checksum libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a51822fc847e7a8101514d1d44e354ba2ffa7d4c194dcab48870740e327cac70"
|
||||
"checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
|
||||
"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
|
||||
"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
|
||||
"checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
|
||||
"checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
|
||||
"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
@@ -0,0 +1,7 @@
|
||||
[package]
|
||||
name = "day10"
|
||||
version = "0.1.0"
|
||||
authors = ["~krowbar"]
|
||||
|
||||
[dependencies]
|
||||
regex = "0.1"
|
||||
@@ -0,0 +1,60 @@
|
||||
extern crate regex;
|
||||
|
||||
use regex::Regex;
|
||||
use std::io::Read;
|
||||
use std::fs::File;
|
||||
|
||||
|
||||
//I'd like to solve this with a tree or node of sorts but don't know how
|
||||
enum Pass {
|
||||
Bot,
|
||||
Output
|
||||
}
|
||||
|
||||
struct Bot {
|
||||
id: i32, //the identifier for this bot
|
||||
chips: Vec<i32>, //the value of the chips a bot can receive
|
||||
low: i32, //where to pass the low chip
|
||||
high: i32, //where to pass the high chip
|
||||
}
|
||||
|
||||
struct Output {
|
||||
id: i32, //the identifier for this output
|
||||
chips: Vec<i32>,
|
||||
}
|
||||
|
||||
fn pass_chip(all_bots: Vec<Bot>, bot_id: i32, value: i32) {
|
||||
let bot: Bot = all_bots.iter().find(|&b| b.id == bot_id).unwrap();
|
||||
bot.chips.push(value);
|
||||
if bot.chips.len() == 2 {
|
||||
pass_chip(all_bots, bot.low, bot.chips.iter().min().unwrap());
|
||||
pass_chip(all_bots, bot.high, bot.chips.iter().max().unwrap());
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let mut file = File::open("./data").expect("could not open file");
|
||||
let mut input = String::new();
|
||||
file.read_to_string(&mut input).expect("could not read file");
|
||||
|
||||
let re_bot = Regex::new(r"bot (\d+) gives low to (bot|output) (\d+) and high to (bot|output) (\d+)").unwrap();
|
||||
let re_val = Regex::new(r"value (\d+) goes to bot (\d+)").unwrap();
|
||||
|
||||
let bots: Vec<Bot> = Vec::new();
|
||||
|
||||
for line in input.lines() {
|
||||
if re_bot.is_match(line) {
|
||||
let cap = re_bot.captures(line).unwrap();
|
||||
let bot = Bot { id: cap.at(1).unwrap().parse().unwrap(), chips: vec![], low: None, high: None };
|
||||
println!("This dude {} will give to {} and {}", cap.at(1).unwrap(), cap.at(3).unwrap(), cap.at(5).unwrap());
|
||||
}
|
||||
else if re_val.is_match(line) {
|
||||
let cap = re_val.captures(line).unwrap();
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
//for each line of input
|
||||
// either add a new bot "node" to the tree
|
||||
// or give a chip to a bot and let it propogate through the tree
|
||||
}
|
||||
@@ -0,0 +1,6 @@
|
||||
[package]
|
||||
name = "day11"
|
||||
version = "0.1.0"
|
||||
authors = ["~krowbar"]
|
||||
|
||||
[dependencies]
|
||||
@@ -0,0 +1,11 @@
|
||||
// Setup
|
||||
// F1 EE PG PM .. .. .. .. .. .. .. ..
|
||||
// F2 .. .. .. CG .. UG .. RG .. PG ..
|
||||
// F3 .. .. .. .. CM .. UC .. RC .. PC
|
||||
// F4 .. .. .. .. .. .. .. .. .. .. ..
|
||||
|
||||
// Goal: Use the elevator to get all generator and microchip pairs to the fourth floor
|
||||
|
||||
fn main() {
|
||||
println!("Hello, world!");
|
||||
}
|
||||
Generated
+98
@@ -0,0 +1,98 @@
|
||||
[root]
|
||||
name = "day12"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "aho-corasick"
|
||||
version = "0.5.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "kernel32-sys"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "0.1.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "0.1.80"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "thread-id"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "0.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "utf8-ranges"
|
||||
version = "0.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-build"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[metadata]
|
||||
"checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
|
||||
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
|
||||
"checksum libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a51822fc847e7a8101514d1d44e354ba2ffa7d4c194dcab48870740e327cac70"
|
||||
"checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
|
||||
"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
|
||||
"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
|
||||
"checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
|
||||
"checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
|
||||
"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
@@ -0,0 +1,7 @@
|
||||
[package]
|
||||
name = "day12"
|
||||
version = "0.1.0"
|
||||
authors = ["~krowbar"]
|
||||
|
||||
[dependencies]
|
||||
regex = "0.1"
|
||||
@@ -0,0 +1,114 @@
|
||||
extern crate regex;
|
||||
|
||||
use regex::Regex;
|
||||
use std::io::Read;
|
||||
use std::fs::File;
|
||||
|
||||
// registers a, b, c, d indexed at 0
|
||||
// cpy x y copies x (either an integer or the value of a register) into register y.
|
||||
// inc x increases the value of register x by one.
|
||||
// dec x decreases the value of register x by one.
|
||||
// jnz x y jumps to an instruction y away (positive means forward; negative means backward), but only if x is not zero.
|
||||
|
||||
#[derive(Debug)]
|
||||
enum Operator {
|
||||
CpyR { from: u8, dest: u8 }, //from register
|
||||
CpyV { value: i64, dest: u8}, //from value
|
||||
Inc { reg: u8},
|
||||
Dec { reg: u8},
|
||||
JnzR { reg: u8, dist: i32}, //from register
|
||||
JnzV { flag: i64, dist: i32}, //from value
|
||||
}
|
||||
|
||||
fn reg_to_idx(name: &str) -> u8 {
|
||||
match name {
|
||||
"a" => 0,
|
||||
"b" => 1,
|
||||
"c" => 2,
|
||||
"d" => 3,
|
||||
_ => 0,
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let mut ops: Vec<Operator> = Vec::new();
|
||||
|
||||
//**** Read in the file input and convert it to a Vec of Operations ****//
|
||||
let mut file = File::open("./data").expect("could not open file");
|
||||
let mut input = String::new();
|
||||
file.read_to_string(&mut input).expect("could not read file");
|
||||
|
||||
let re_cpy = Regex::new(r"^cpy (.*) (.*)$").unwrap();
|
||||
let re_inc = Regex::new(r"^inc (.*)$").unwrap();
|
||||
let re_dec = Regex::new(r"^dec (.*)$").unwrap();
|
||||
let re_jnz = Regex::new(r"^jnz (.*) (.*)$").unwrap();
|
||||
|
||||
for line in input.lines() {
|
||||
if re_cpy.is_match(line) {
|
||||
let cap = re_cpy.captures(line).unwrap();
|
||||
let reg2 = reg_to_idx(cap.at(2).unwrap());
|
||||
match cap.at(1).unwrap().parse::<i64>() {
|
||||
Ok(v) => ops.push(Operator::CpyV { value: v, dest: reg2 }),
|
||||
Err(e) => ops.push(Operator::CpyR { from: reg_to_idx(cap.at(1).unwrap()), dest: reg2 }),
|
||||
};
|
||||
}
|
||||
else if re_inc.is_match(line) {
|
||||
let cap = re_inc.captures(line).unwrap();
|
||||
let value = cap.at(1).unwrap();
|
||||
ops.push(Operator::Inc { reg: reg_to_idx(value) });
|
||||
}
|
||||
else if re_dec.is_match(line) {
|
||||
let cap = re_dec.captures(line).unwrap();
|
||||
let value = cap.at(1).unwrap();
|
||||
ops.push(Operator::Dec { reg: reg_to_idx(value) });
|
||||
}
|
||||
else if re_jnz.is_match(line) {
|
||||
let cap = re_jnz.captures(line).unwrap();
|
||||
let val2 = cap.at(2).unwrap().parse::<i32>().unwrap();
|
||||
match cap.at(1).unwrap().parse::<i64>() {
|
||||
Ok(v) => ops.push(Operator::JnzV { flag: v, dist: val2 }),
|
||||
Err(e) => ops.push(Operator::JnzR { reg: reg_to_idx(cap.at(1).unwrap()), dist: val2 }),
|
||||
};
|
||||
}
|
||||
}
|
||||
//println!("{:?}", ops);
|
||||
println!("Converted input values");
|
||||
|
||||
//**** loop through the Operations vector ****//
|
||||
//part1 started registers with all 0s, part 2 sets 'c' to 1
|
||||
let mut registers: Vec<i64> = vec![0, 0, 1, 0]; //registers 'a', 'b', 'c', and 'd'
|
||||
let mut idx = 0;
|
||||
println!("Processing {} operations", ops.len());
|
||||
'ops_loop: while idx < ops.len() {
|
||||
//print!("Run[{}] {:?}", idx, ops[idx]);
|
||||
match ops[idx] {
|
||||
Operator::CpyR{ from, dest } => {
|
||||
registers[dest as usize] = registers[from as usize];
|
||||
},
|
||||
Operator::CpyV{ value, dest } => {
|
||||
registers[dest as usize] = value;
|
||||
},
|
||||
Operator::Inc{ reg } => {
|
||||
registers[reg as usize] = registers[reg as usize] + 1;
|
||||
},
|
||||
Operator::Dec{ reg } => {
|
||||
registers[reg as usize] = registers[reg as usize] - 1;
|
||||
},
|
||||
Operator::JnzR{ reg, dist } => {
|
||||
if registers[reg as usize] != 0 {
|
||||
idx = (idx as i32 + dist) as usize;
|
||||
continue 'ops_loop;
|
||||
}
|
||||
},
|
||||
Operator::JnzV{ flag, dist } => {
|
||||
if flag != 0 {
|
||||
idx = (idx as i32 + dist) as usize;
|
||||
continue 'ops_loop;
|
||||
}
|
||||
},
|
||||
};
|
||||
//println!(" -> {:?}", registers);
|
||||
idx = idx + 1;
|
||||
}
|
||||
println!("Registers {:?}", registers);
|
||||
}
|
||||
Generated
+4
@@ -0,0 +1,4 @@
|
||||
[root]
|
||||
name = "day13"
|
||||
version = "0.1.0"
|
||||
|
||||
@@ -0,0 +1,6 @@
|
||||
[package]
|
||||
name = "day13"
|
||||
version = "0.1.0"
|
||||
authors = ["~krowbar"]
|
||||
|
||||
[dependencies]
|
||||
@@ -0,0 +1,137 @@
|
||||
#[derive(Debug)]
|
||||
enum Space {
|
||||
Wall,
|
||||
Open,
|
||||
}
|
||||
|
||||
fn get_space(x: u32, y: u32, favorite_number: u32) -> Space {
|
||||
let total: u32 = x*x + 3*x + 2*x*y + y + y*y + favorite_number;
|
||||
//println!("{}, {}", total, total.count_ones());
|
||||
if total.count_ones() % 2 == 0 { /*even*/
|
||||
Space::Open
|
||||
}
|
||||
else { /*odd*/
|
||||
Space::Wall
|
||||
}
|
||||
}
|
||||
|
||||
// fn print_maze(width: u32, height: u32, key: u32) {
|
||||
// //print header
|
||||
// print!(" ");
|
||||
// for col in 0..width {
|
||||
// print!("{}", col % 10);
|
||||
// }
|
||||
// println!("");
|
||||
// for row in 0..height {
|
||||
// print!("{} ", row % 10);
|
||||
// for col in 0..width {
|
||||
// match get_space(col, row, key) {
|
||||
// Space::Wall => print!("#"),
|
||||
// Space::Open => print!("."),
|
||||
// }
|
||||
// }
|
||||
// println!("");
|
||||
// }
|
||||
// }
|
||||
|
||||
const MAZE_WIDTH: usize = 40;
|
||||
const MAZE_HEIGHT: usize = 50;
|
||||
const MAX_STEPS: u32 = 50;
|
||||
static mut COUNT: u32 = 0;
|
||||
|
||||
fn build_maze(maze: &mut Vec<Vec<(bool, u32)>>, key: u32) {
|
||||
for row in 0..MAZE_HEIGHT {
|
||||
for col in 0..MAZE_WIDTH {
|
||||
match get_space(col as u32, row as u32, key) {
|
||||
Space::Open => maze[row][col] = (true, u32::max_value()),
|
||||
Space::Wall => maze[row][col] = (false, 0),
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn walk_maze(maze: &mut Vec<Vec<(bool, u32)>>, pos: (usize, usize), step: u32) {
|
||||
if maze[pos.0][pos.1].0 == false /* if position is a wall */
|
||||
|| step >= maze[pos.0][pos.1].1 /* or position has a better step value */ {
|
||||
return; // abort now
|
||||
}
|
||||
// otherwise
|
||||
// if this space is within MAX_STEPS and hasn't yet been counted
|
||||
if maze[pos.0][pos.1].1 == u32::max_value() { //if we never visited this space before
|
||||
if step <= MAX_STEPS {
|
||||
unsafe {
|
||||
COUNT = COUNT + 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
else if maze[pos.0][pos.1].1 > MAX_STEPS && step <= MAX_STEPS {
|
||||
unsafe {
|
||||
COUNT = COUNT + 1;
|
||||
}
|
||||
}
|
||||
|
||||
// set the step value
|
||||
maze[pos.0][pos.1].1 = step;
|
||||
|
||||
//check left
|
||||
if pos.1 > 0 {
|
||||
walk_maze(maze, (pos.0, pos.1-1), step+1);
|
||||
}
|
||||
|
||||
//check right
|
||||
if pos.1 + 1 < MAZE_WIDTH {
|
||||
walk_maze(maze, (pos.0, pos.1+1), step+1);
|
||||
}
|
||||
|
||||
//check up
|
||||
if pos.0 > 0 {
|
||||
walk_maze(maze, (pos.0-1, pos.1), step+1);
|
||||
}
|
||||
|
||||
//check down
|
||||
if pos.0 + 1 < MAZE_HEIGHT {
|
||||
walk_maze(maze, (pos.0+1, pos.1), step+1);
|
||||
}
|
||||
}
|
||||
|
||||
fn print_maze(maze: &Vec<Vec<(bool, u32)>>) {
|
||||
print!(" "); //first row padding
|
||||
for col in 0..MAZE_WIDTH {
|
||||
print!("{:02} ", col % 100);
|
||||
}
|
||||
println!(""); //newline
|
||||
for row in 0..MAZE_HEIGHT {
|
||||
print!("{:02}: ", row % 100);
|
||||
for col in 0..MAZE_WIDTH {
|
||||
if maze[row][col].0 == true {
|
||||
if maze[row][col].1 == u32::max_value() {
|
||||
print!(".. "); //unpassable
|
||||
}
|
||||
else {
|
||||
print!("{:02} ", maze[row][col].1 % 100); //step value
|
||||
}
|
||||
}
|
||||
else {
|
||||
print!("## "); //it's a wall
|
||||
}
|
||||
}
|
||||
println!(""); //print the new line
|
||||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
//let mut pos = (1, 1);
|
||||
//let goal = (31, 39);
|
||||
|
||||
//println!("Answer is {:?}", get_space(1, 2, 3));
|
||||
let mut maze: Vec<Vec<(bool, u32)>> = vec![vec![(false, 0); MAZE_WIDTH]; MAZE_HEIGHT];
|
||||
//print_maze(32, 40, 1358);
|
||||
build_maze(&mut maze, 1358);
|
||||
walk_maze(&mut maze, (1, 1), 0);
|
||||
//print_maze(&maze);
|
||||
let end = (31, 39);
|
||||
println!("Part 1: It takes {} steps to get to ({}, {})", maze[end.1][end.0].1, end.0, end.1);
|
||||
unsafe {
|
||||
println!("Part 2: There are {} positions within {} steps", COUNT, MAX_STEPS);
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user