mirror of
https://github.com/mx42/aoc2016.git
synced 2026-01-14 13:49:53 +01:00
feat: add day 10
This commit is contained in:
Xavier Morel
122
Cargo.lock
generated
122
Cargo.lock
generated
@@ -22,6 +22,7 @@ name = "advent_of_code"
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version = "0.11.0"
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dependencies = [
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"chrono",
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"color-eyre",
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"dhat",
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"itertools",
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"md5",
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@@ -116,6 +117,33 @@ dependencies = [
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"windows-targets 0.52.6",
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]
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[[package]]
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name = "color-eyre"
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version = "0.6.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "55146f5e46f237f7423d74111267d4597b59b0dad0ffaf7303bce9945d843ad5"
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dependencies = [
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"backtrace",
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"color-spantrace",
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"eyre",
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"indenter",
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"once_cell",
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"owo-colors",
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"tracing-error",
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]
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[[package]]
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name = "color-spantrace"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "cd6be1b2a7e382e2b98b43b2adcca6bb0e465af0bdd38123873ae61eb17a72c2"
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dependencies = [
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"once_cell",
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"owo-colors",
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"tracing-core",
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"tracing-error",
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]
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[[package]]
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name = "core-foundation-sys"
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version = "0.8.6"
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@@ -144,6 +172,16 @@ version = "1.13.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "60b1af1c220855b6ceac025d3f6ecdd2b7c4894bfe9cd9bda4fbb4bc7c0d4cf0"
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[[package]]
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name = "eyre"
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version = "0.6.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7cd915d99f24784cdc19fd37ef22b97e3ff0ae756c7e492e9fbfe897d61e2aec"
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dependencies = [
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"indenter",
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"once_cell",
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]
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[[package]]
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name = "gimli"
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version = "0.28.1"
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@@ -173,6 +211,12 @@ dependencies = [
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"cc",
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]
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[[package]]
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name = "indenter"
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version = "0.3.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ce23b50ad8242c51a442f3ff322d56b02f08852c77e4c0b4d3fd684abc89c683"
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[[package]]
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name = "itertools"
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version = "0.13.0"
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@@ -280,6 +324,12 @@ version = "1.19.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fdb12b2476b595f9358c5161aa467c2438859caa136dec86c26fdd2efe17b92"
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[[package]]
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name = "owo-colors"
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version = "3.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c1b04fb49957986fdce4d6ee7a65027d55d4b6d2265e5848bbb507b58ccfdb6f"
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[[package]]
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name = "parking_lot"
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version = "0.12.1"
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@@ -309,6 +359,12 @@ version = "0.5.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5be167a7af36ee22fe3115051bc51f6e6c7054c9348e28deb4f49bd6f705a315"
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[[package]]
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name = "pin-project-lite"
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version = "0.2.15"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "915a1e146535de9163f3987b8944ed8cf49a18bb0056bcebcdcece385cece4ff"
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[[package]]
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name = "proc-macro2"
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version = "1.0.89"
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@@ -420,6 +476,15 @@ dependencies = [
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"serde",
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]
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[[package]]
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name = "sharded-slab"
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version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
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dependencies = [
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"lazy_static",
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]
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[[package]]
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name = "shlex"
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version = "1.3.0"
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@@ -459,18 +524,75 @@ version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3bf63baf9f5039dadc247375c29eb13706706cfde997d0330d05aa63a77d8820"
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[[package]]
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name = "thread_local"
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version = "1.1.8"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
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dependencies = [
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"cfg-if",
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"once_cell",
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]
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[[package]]
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name = "tinyjson"
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version = "2.5.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9ab95735ea2c8fd51154d01e39cf13912a78071c2d89abc49a7ef102a7dd725a"
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[[package]]
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name = "tracing"
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version = "0.1.40"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c3523ab5a71916ccf420eebdf5521fcef02141234bbc0b8a49f2fdc4544364ef"
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dependencies = [
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"pin-project-lite",
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"tracing-core",
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]
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[[package]]
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name = "tracing-core"
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version = "0.1.32"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "c06d3da6113f116aaee68e4d601191614c9053067f9ab7f6edbcb161237daa54"
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dependencies = [
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"once_cell",
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"valuable",
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]
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[[package]]
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name = "tracing-error"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d686ec1c0f384b1277f097b2f279a2ecc11afe8c133c1aabf036a27cb4cd206e"
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dependencies = [
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"tracing",
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"tracing-subscriber",
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]
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[[package]]
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name = "tracing-subscriber"
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version = "0.3.18"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ad0f048c97dbd9faa9b7df56362b8ebcaa52adb06b498c050d2f4e32f90a7a8b"
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dependencies = [
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"sharded-slab",
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"thread_local",
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"tracing-core",
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]
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[[package]]
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name = "unicode-ident"
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version = "1.0.12"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3354b9ac3fae1ff6755cb6db53683adb661634f67557942dea4facebec0fee4b"
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[[package]]
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name = "valuable"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "830b7e5d4d90034032940e4ace0d9a9a057e7a45cd94e6c007832e39edb82f6d"
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[[package]]
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name = "wasm-bindgen"
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version = "0.2.95"
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@@ -23,6 +23,7 @@ test_lib = []
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# Template dependencies
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chrono = { version = "0.4.38", optional = true }
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color-eyre = "0.6.3"
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dhat = { version = "0.3.3", optional = true }
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itertools = "0.13.0"
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md5 = "0.7.0"
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@@ -20,8 +20,9 @@ Solutions for [Advent of Code](https://adventofcode.com/) in [Rust](https://www.
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| [Day 7](./src/bin/07.rs) | `1.5ms` | `1.3ms` |
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| [Day 8](./src/bin/08.rs) | `132.9ms` | `-` |
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| [Day 9](./src/bin/09.rs) | `77.2µs` | `969.4µs` |
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| [Day 10](./src/bin/10.rs) | `164.5µs` | `287.9µs` |
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**Total: 17333.30ms**
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**Total: 17333.76ms**
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<!--- benchmarking table --->
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---
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6
data/examples/10.txt
Normal file
6
data/examples/10.txt
Normal file
@@ -0,0 +1,6 @@
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value 5 goes to bot 2
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bot 2 gives low to bot 1 and high to bot 0
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value 3 goes to bot 1
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bot 1 gives low to output 1 and high to bot 0
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bot 0 gives low to output 2 and high to output 0
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value 2 goes to bot 2
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196
src/bin/10.rs
Normal file
196
src/bin/10.rs
Normal file
@@ -0,0 +1,196 @@
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advent_of_code::solution!(10);
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use color_eyre::eyre::{eyre, Report, Result};
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use std::collections::HashMap;
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#[derive(Debug, PartialEq, Clone, Copy)]
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enum GiveTo {
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Bot(usize),
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Output(usize),
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Undef,
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}
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#[derive(Debug, Clone)]
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struct Bot {
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high_out: GiveTo,
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low_out: GiveTo,
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current: [Option<u8>; 2],
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}
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#[derive(Debug, Clone)]
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struct State {
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bots: HashMap<usize, Bot>,
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outputs: HashMap<usize, u8>,
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}
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#[derive(Debug)]
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enum Instruction {
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GiveValue(GiveTo, u8),
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BotInit(usize, GiveTo, GiveTo),
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}
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impl State {
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fn apply(&mut self, instr: Vec<Instruction>) {
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instr.iter().for_each(|i| match i {
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Instruction::GiveValue(GiveTo::Bot(bot), value) => {
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let bot = self.bots.entry(*bot).or_insert(Bot::init());
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bot.add_value(*value);
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}
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Instruction::GiveValue(GiveTo::Output(out), value) => {
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let out = self.outputs.entry(*out).or_default();
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if *out != 0 {
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panic!("Overwriting an output ??");
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}
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*out = *value;
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}
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Instruction::BotInit(bot, low, high) => {
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let bot = self.bots.entry(*bot).or_insert(Bot::init());
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bot.set_outputs(*high, *low);
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}
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_ => {
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println!("{:?}", i);
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panic!("Unsupported instruction !");
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}
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});
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}
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fn init() -> Self {
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Self {
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bots: HashMap::new(),
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outputs: HashMap::new(),
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}
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}
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fn step(self) -> Option<Self> {
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let mut new = self.clone();
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let new_instr: Vec<Instruction> = new
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.bots
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.iter_mut()
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.flat_map(|(_, &mut ref mut bot)| bot.process())
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.collect();
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if !new_instr.is_empty() {
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new.apply(new_instr);
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Some(new)
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} else {
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None
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}
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}
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}
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impl TryFrom<&str> for Instruction {
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type Error = Report;
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fn try_from(input: &str) -> Result<Self> {
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let input = input.split(" ").collect::<Vec<_>>();
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match input.len() {
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// [value] [x] [goes] [to] [bot] [y]
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6 => Ok(Instruction::GiveValue(
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GiveTo::Bot(input[5].parse::<usize>()?),
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input[1].parse::<u8>()?,
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)),
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// [bot] [x] [gives] [low] [to] [bot] [y] [and] [high] [to] [bot] [z]
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12 => {
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let low: GiveTo = match input[5] {
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"bot" => GiveTo::Bot(input[6].parse::<usize>()?),
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"output" => GiveTo::Output(input[6].parse::<usize>()?),
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_ => panic!("invalid input"),
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};
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let high: GiveTo = match input[10] {
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"bot" => GiveTo::Bot(input[11].parse::<usize>()?),
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"output" => GiveTo::Output(input[11].parse::<usize>()?),
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_ => panic!("invalid input"),
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};
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Ok(Instruction::BotInit(input[1].parse::<usize>()?, low, high))
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}
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_ => Err(eyre!("invalid input ?!")),
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}
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}
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}
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impl Bot {
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fn init() -> Self {
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Self {
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high_out: GiveTo::Undef,
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low_out: GiveTo::Undef,
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current: [None, None],
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}
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}
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fn set_outputs(&mut self, high: GiveTo, low: GiveTo) {
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if self.high_out != GiveTo::Undef {
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panic!("Trying to set output to already set output");
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}
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self.high_out = high;
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self.low_out = low;
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}
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fn add_value(&mut self, value: u8) {
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let value: Option<u8> = Some(value);
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if self.current[0].is_none() {
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self.current[0] = value;
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} else if self.current[1].is_none() {
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self.current[1] = value;
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} else {
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panic!("Giving a value to an otherwise filled bot!!");
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}
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}
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fn process(&mut self) -> Vec<Instruction> {
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let mut res: Vec<Instruction> = Vec::new();
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let (low, high) = match self.current {
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[None, _] => return res,
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[_, None] => return res,
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[Some(a), Some(b)] if a < b => (a, b),
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[Some(a), Some(b)] => (b, a),
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};
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self.current = [None, None];
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res.push(Instruction::GiveValue(self.high_out, high));
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res.push(Instruction::GiveValue(self.low_out, low));
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res
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}
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}
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pub fn part_one(input: &str) -> Option<usize> {
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let mut state = State::init();
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state.apply(input.lines().flat_map(Instruction::try_from).collect());
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while let Some(new_state) = state.clone().step() {
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state = new_state;
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for (bot_nb, bot) in state.bots.iter() {
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if bot.current == [Some(61), Some(17)] || bot.current == [Some(17), Some(61)] {
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return Some(*bot_nb);
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}
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}
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}
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None
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}
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pub fn part_two(input: &str) -> Option<u32> {
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let mut state = State::init();
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state.apply(input.lines().flat_map(Instruction::try_from).collect());
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while let Some(new_state) = state.clone().step() {
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state = new_state;
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}
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Some(
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*state.outputs.entry(0).or_default() as u32
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* *state.outputs.entry(1).or_default() as u32
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* *state.outputs.entry(2).or_default() as u32,
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)
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_part_one() {
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let result = part_one(&advent_of_code::template::read_file("examples", DAY));
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assert_eq!(result, None);
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}
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#[test]
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fn test_part_two() {
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let result = part_two(&advent_of_code::template::read_file("examples", DAY));
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assert_eq!(result, Some(30));
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}
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}
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