commit
e7b9c0740c
@ -0,0 +1,2 @@
|
||||
/target
|
||||
**/*.rs.bk
|
||||
@ -0,0 +1,105 @@
|
||||
# This file is automatically @generated by Cargo.
|
||||
# It is not intended for manual editing.
|
||||
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@ -0,0 +1,10 @@
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[package]
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name = "advent_of_code_2019"
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version = "0.1.0"
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authors = ["Gaël Berthaud-Müller <blacksponge@tuta.io>"]
|
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edition = "2018"
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|
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# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
|
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[dependencies]
|
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clap = "2.33"
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@ -0,0 +1,100 @@
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129561
|
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125433
|
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97919
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93037
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73254
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136563
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|
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|
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92632
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142940
|
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100610
|
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106538
|
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80025
|
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|
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125386
|
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126601
|
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67943
|
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120022
|
||||
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|
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132721
|
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105831
|
||||
138493
|
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57649
|
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|
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|
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|
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|
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|
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61039
|
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|
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74187
|
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|
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|
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|
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123137
|
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113098
|
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107571
|
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117050
|
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108649
|
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117455
|
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|
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|
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104952
|
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103465
|
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128718
|
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61795
|
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121049
|
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112010
|
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|
||||
56153
|
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136161
|
||||
76872
|
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94156
|
||||
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|
||||
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|
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90744
|
||||
118647
|
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135791
|
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98914
|
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104988
|
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62070
|
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82308
|
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71964
|
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91477
|
||||
63733
|
||||
84412
|
||||
127000
|
||||
65449
|
||||
67976
|
||||
51400
|
||||
56045
|
||||
82951
|
||||
101119
|
||||
143015
|
||||
99388
|
||||
51796
|
||||
93467
|
||||
63220
|
||||
124459
|
||||
136330
|
||||
130535
|
||||
144270
|
||||
88616
|
||||
63626
|
||||
139954
|
||||
92191
|
||||
117618
|
||||
110422
|
||||
@ -0,0 +1,28 @@
|
||||
use std::io::BufRead;
|
||||
|
||||
pub fn part1<F: BufRead> (input: F) {
|
||||
let res: i32 = input.lines()
|
||||
.filter_map(|line| line.unwrap().parse::<i32>().ok())
|
||||
.map(|mass| mass / 3 - 2)
|
||||
.sum();
|
||||
println!("{}", res);
|
||||
}
|
||||
|
||||
fn recursive_fuel_mass(mass: i32) -> i32 {
|
||||
let fuel_mass = mass / 3 - 2;
|
||||
|
||||
if fuel_mass <= 0 {
|
||||
0
|
||||
} else {
|
||||
fuel_mass + recursive_fuel_mass(fuel_mass)
|
||||
}
|
||||
}
|
||||
|
||||
pub fn part2<F: BufRead> (input: F) {
|
||||
let res: i32 = input.lines()
|
||||
.filter_map(|line| line.unwrap().parse::<i32>().ok())
|
||||
.map(recursive_fuel_mass)
|
||||
.sum();
|
||||
|
||||
println!("{}", res);
|
||||
}
|
||||
@ -0,0 +1,43 @@
|
||||
#[macro_use]
|
||||
extern crate clap;
|
||||
use clap::{Arg, App};
|
||||
use std::fs::File;
|
||||
use std::io::BufReader;
|
||||
|
||||
mod day1;
|
||||
|
||||
fn main() {
|
||||
let matches = App::new("Advent of Code 2019")
|
||||
.version("0.1")
|
||||
.arg(Arg::with_name("challenge")
|
||||
.short("c")
|
||||
.long("challenge")
|
||||
.value_name("CHALLENGE")
|
||||
.required(true)
|
||||
.takes_value(true)
|
||||
.min_values(1)
|
||||
.max_values(50))
|
||||
.arg(Arg::with_name("input")
|
||||
.short("i")
|
||||
.long("input")
|
||||
.value_name("INPUT")
|
||||
.required(true)
|
||||
.takes_value(true))
|
||||
.get_matches();
|
||||
|
||||
let input = matches.value_of("input").unwrap();
|
||||
let challenge = value_t!(matches, "challenge", usize).unwrap() - 1;
|
||||
|
||||
let input_file = File::open(input).expect("Unable to open input file");
|
||||
let reader = BufReader::new(input_file);
|
||||
|
||||
let challenges = [
|
||||
day1::part1, day1::part2
|
||||
];
|
||||
|
||||
if let Some(f) = challenges.get(challenge) {
|
||||
f(reader);
|
||||
} else {
|
||||
println!("Challenge {}, part {} not unimplemented", challenge / 2 + 1, challenge % 2 +1)
|
||||
}
|
||||
}
|
||||
Loading…
Reference in new issue