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Added day 11 part 1

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This commit is contained in:
Ishan Jain 2022-12-11 11:31:27 +05:30
parent 7b58b9d577
commit 4f5e5f6c63
Signed by: ishan
GPG Key ID: 0506DB2A1CC75C27
3 changed files with 176 additions and 370 deletions
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195
inputs/input.txt
View File

@ -1,141 +1,56 @@
noop
noop
noop
addx 4
addx 3
addx 3
addx 3
noop
addx 2
addx 1
addx -7
addx 10
addx 1
addx 5
addx -3
addx -7
addx 13
addx 5
addx 2
addx 1
addx -30
addx -8
noop
addx 3
addx 2
addx 7
noop
addx -2
addx 5
addx 2
addx -7
addx 8
addx 2
addx 5
addx 2
addx -12
noop
addx 17
addx 3
addx -2
addx 2
noop
addx 3
addx -38
noop
addx 3
addx 4
noop
addx 5
noop
noop
noop
addx 1
addx 2
addx 5
addx 2
addx -3
addx 4
addx 2
noop
noop
addx 7
addx -30
addx 31
addx 4
noop
addx -24
addx -12
addx 1
addx 5
addx 5
noop
noop
noop
addx -12
addx 13
addx 4
noop
addx 23
addx -19
addx 1
addx 5
addx 12
addx -28
addx 19
noop
addx 3
addx 2
addx 5
addx -40
addx 4
addx 32
addx -31
noop
addx 13
addx -8
addx 5
addx 2
addx 5
noop
noop
noop
addx 2
addx -7
addx 8
addx -7
addx 14
addx 3
addx -2
addx 2
addx 5
addx -40
noop
noop
addx 3
addx 4
addx 1
noop
addx 2
addx 5
addx 2
addx 21
noop
addx -16
addx 3
noop
addx 2
noop
addx 1
noop
noop
addx 4
addx 5
noop
noop
noop
noop
noop
noop
noop
Monkey 0:
Starting items: 83, 97, 95, 67
Operation: new = old * 19
Test: divisible by 17
If true: throw to monkey 2
If false: throw to monkey 7
Monkey 1:
Starting items: 71, 70, 79, 88, 56, 70
Operation: new = old + 2
Test: divisible by 19
If true: throw to monkey 7
If false: throw to monkey 0
Monkey 2:
Starting items: 98, 51, 51, 63, 80, 85, 84, 95
Operation: new = old + 7
Test: divisible by 7
If true: throw to monkey 4
If false: throw to monkey 3
Monkey 3:
Starting items: 77, 90, 82, 80, 79
Operation: new = old + 1
Test: divisible by 11
If true: throw to monkey 6
If false: throw to monkey 4
Monkey 4:
Starting items: 68
Operation: new = old * 5
Test: divisible by 13
If true: throw to monkey 6
If false: throw to monkey 5
Monkey 5:
Starting items: 60, 94
Operation: new = old + 5
Test: divisible by 3
If true: throw to monkey 1
If false: throw to monkey 0
Monkey 6:
Starting items: 81, 51, 85
Operation: new = old * old
Test: divisible by 5
If true: throw to monkey 5
If false: throw to monkey 1
Monkey 7:
Starting items: 98, 81, 63, 65, 84, 71, 84
Operation: new = old + 3
Test: divisible by 2
If true: throw to monkey 2
If false: throw to monkey 3

173
inputs/sample.txt
View File

@ -1,146 +1,27 @@
addx 15
addx -11
addx 6
addx -3
addx 5
addx -1
addx -8
addx 13
addx 4
noop
addx -1
addx 5
addx -1
addx 5
addx -1
addx 5
addx -1
addx 5
addx -1
addx -35
addx 1
addx 24
addx -19
addx 1
addx 16
addx -11
noop
noop
addx 21
addx -15
noop
noop
addx -3
addx 9
addx 1
addx -3
addx 8
addx 1
addx 5
noop
noop
noop
noop
noop
addx -36
noop
addx 1
addx 7
noop
noop
noop
addx 2
addx 6
noop
noop
noop
noop
noop
addx 1
noop
noop
addx 7
addx 1
noop
addx -13
addx 13
addx 7
noop
addx 1
addx -33
noop
noop
noop
addx 2
noop
noop
noop
addx 8
noop
addx -1
addx 2
addx 1
noop
addx 17
addx -9
addx 1
addx 1
addx -3
addx 11
noop
noop
addx 1
noop
addx 1
noop
noop
addx -13
addx -19
addx 1
addx 3
addx 26
addx -30
addx 12
addx -1
addx 3
addx 1
noop
noop
noop
addx -9
addx 18
addx 1
addx 2
noop
noop
addx 9
noop
noop
noop
addx -1
addx 2
addx -37
addx 1
addx 3
noop
addx 15
addx -21
addx 22
addx -6
addx 1
noop
addx 2
addx 1
noop
addx -10
noop
noop
addx 20
addx 1
addx 2
addx 2
addx -6
addx -11
noop
noop
noop
Monkey 0:
Starting items: 79, 98
Operation: new = old * 19
Test: divisible by 23
If true: throw to monkey 2
If false: throw to monkey 3
Monkey 1:
Starting items: 54, 65, 75, 74
Operation: new = old + 6
Test: divisible by 19
If true: throw to monkey 2
If false: throw to monkey 0
Monkey 2:
Starting items: 79, 60, 97
Operation: new = old * old
Test: divisible by 13
If true: throw to monkey 1
If false: throw to monkey 3
Monkey 3:
Starting items: 74
Operation: new = old + 3
Test: divisible by 17
If true: throw to monkey 0
If false: throw to monkey 1

182
src/main.rs
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@ -1,33 +1,87 @@
#![feature(test)]
use std::{cmp::Reverse, rc::Rc};
extern crate test;
const INPUTS: [&[u8]; 2] = [
include_bytes!("../inputs/sample.txt"),
include_bytes!("../inputs/input.txt"),
const INPUTS: [&str; 2] = [
include_str!("../inputs/sample.txt"),
include_str!("../inputs/input.txt"),
];
#[derive(Debug)]
enum Ins {
Noop,
Addx(i32),
#[derive(Clone)]
struct Monkey {
items: Vec<usize>,
operation: Rc<Box<dyn Fn(usize) -> usize>>,
div_by_test: usize,
if_true: usize,
if_false: usize,
}
fn parse(input: &[u8]) -> Vec<Ins> {
fn parse(input: &'static str) -> Vec<Monkey> {
input
.split(|&c| c == b'\n')
.split("\n\n")
.filter(|c| !c.is_empty())
.map(|line| match &line[0..4] {
[b'n', b'o', b'o', b'p'] => Ins::Noop,
[b'a', b'd', b'd', b'x'] => {
let is_neg = line[5] == b'-';
let b: i32 = line[5..]
.iter()
.filter(|&&c| (b'0'..=b'9').contains(&c))
.fold(0, |a, &x| (a * 10) + (x - b'0') as i32);
.map(|set| {
let mut lines = set.lines().skip(1);
Ins::Addx(if is_neg { -b } else { b })
let sitems: Vec<usize> = lines
.next()
.unwrap()
.split(',')
.map(|c| {
c.chars()
.filter(|c| c.is_numeric())
.fold(0, |a, x| (a * 10) + (x as u8 - b'0') as usize)
})
.collect();
let op = lines.next().unwrap();
let nop = op
.bytes()
.filter(|c| (b'0'..=b'9').contains(c))
.fold(0, |a, x| (a * 10) + (x - b'0') as usize);
let op = move |old: usize| -> usize {
if op.contains("old * old") {
old * old
} else if op.contains("old +") {
old + nop
} else if op.contains("old *") {
old * nop
} else {
unreachable!()
}
_ => unreachable!(),
};
let test = lines
.next()
.unwrap()
.bytes()
.filter(|c| (b'0'..=b'9').contains(c))
.fold(0, |a, x| (a * 10) + (x - b'0') as usize);
let true_result = lines
.next()
.unwrap()
.bytes()
.filter(|c| (b'0'..=b'9').contains(c))
.fold(0, |a, x| (a * 10) + (x - b'0') as usize);
let false_result = lines
.next()
.unwrap()
.bytes()
.filter(|c| (b'0'..=b'9').contains(c))
.fold(0, |a, x| (a * 10) + (x - b'0') as usize);
Monkey {
items: sitems,
operation: Rc::new(Box::new(op)),
div_by_test: test,
if_true: true_result,
if_false: false_result,
}
//
})
.collect()
}
@ -40,80 +94,36 @@ fn main() {
}
}
fn solution(input: Vec<Ins>) -> String {
let mut register = 1i32;
let mut cycle = 0;
let mut line: u64 = 0;
let mut sprite: u64 = 0b111 << 61;
fn solution(mut input: Vec<Monkey>) -> usize {
let mlen = input.len();
let mut activity = vec![0; mlen];
let mut answer = Vec::with_capacity(10);
for _ in 0..20 {
for i in 0..mlen {
let monkey = &input[i].clone();
let ilen = monkey.items.len();
let mut i = 0;
for ip in input.into_iter() {
match ip {
Ins::Noop => {
if sprite & ((1 << 63) >> i) > 0 {
line |= (1 << 63) >> i;
}
for j in 0..ilen {
let item = monkey.items[j];
cycle += 1;
i += 1;
let newwlevel = (monkey.operation)(item);
let calmed_down_level = newwlevel / 3;
if cycle % 40 == 0 {
answer.push(line);
line = 0;
i = 0;
}
}
Ins::Addx(v) => {
// Noop
if sprite & ((1 << 63) >> i) > 0 {
line |= (1 << 63) >> i;
}
cycle += 1;
i += 1;
if cycle % 40 == 0 {
answer.push(line);
line = 0;
i = 0;
}
// Add
if sprite & ((1 << 63) >> i) > 0 {
line |= (1 << 63) >> i;
}
register += v;
sprite = (0b111 << 61) >> (register - 1);
cycle += 1;
i += 1;
if cycle % 40 == 0 {
answer.push(line);
line = 0;
i = 0;
}
}
}
}
let mut output = String::with_capacity(40 * 10);
for row in answer {
for i in 0..40 {
if row & ((1 << 63) >> i) > 0 {
output.push('\u{2588}');
if calmed_down_level % monkey.div_by_test == 0 {
input[monkey.if_true].items.push(calmed_down_level);
} else {
output.push(' ');
}
}
output.push('\n');
input[monkey.if_false].items.push(calmed_down_level);
}
output
activity[i] += 1;
}
input[i].items.clear();
}
}
activity.select_nth_unstable_by_key(1, |c| Reverse(*c));
activity[0] * activity[1]
}
#[bench]