advent-of-code-2020

šŸŽ„ I'm learning Rust in Advent of Code 2020. šŸŽ…

View on GitHub

Introduction

I’m coding Rust in Advent of Code 2020. My solutions can be found in the git repository advent-of-code-2020

Prerequisites

Install Rust with rustup.

How to build

$ cargo build
    Finished dev [unoptimized + debuginfo] target(s) in 0.01s

How to run the unit tests

$ cargo test
   Compiling advent-of-code-2020 v0.1.0 (/home/erik/src/advent-of-code-2020)
    Finished test [unoptimized + debuginfo] target(s) in 0.33s
     Running target/debug/deps/advent_of_code_2020-0d429d52e5b10714

running 17 tests
test days::day1::tests::part1_example1 ... ok
test days::day1::tests::part2_example1 ... ok
test days::day2::tests::part1_example1 ... ok
test days::day4::tests::part2_ecl1 ... ok
test days::day3::tests::part2_example1 ... ok
test days::day4::tests::part2_hcl1 ... ok
test days::day2::tests::part2_example1 ... ok
test days::day4::tests::part2_pid1 ... ok
test days::day4::tests::part2_hgt1 ... ok
test days::day5::tests::part1_example1 ... ok
test days::day4::tests::part2_invalid_examples ... ok
test days::day5::tests::part1_example2 ... ok
test days::day4::tests::part2_valid_examples ... ok
test days::day6::tests::part1_example1 ... ok
test days::day3::tests::part1_example1 ... ok
test days::day4::tests::part1_example1 ... ok
test days::day6::tests::part2_example1 ... ok

test result: ok. 17 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out

How to solve the puzzle for day 1

$ cargo run 1
    Finished dev [unoptimized + debuginfo] target(s) in 0.00s
     Running `target/debug/advent-of-code-2020 1`
First answer found: 1007104
Second answer found: 18847752
Execution time: 1 ms