Day 1 solution
This commit is contained in:
commit
0483fa50ef
1
.gitignore
vendored
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1
.gitignore
vendored
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@ -0,0 +1 @@
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/target
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230
Cargo.lock
generated
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230
Cargo.lock
generated
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@ -0,0 +1,230 @@
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# This file is automatically @generated by Cargo.
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# It is not intended for manual editing.
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version = 3
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[[package]]
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name = "addr2line"
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version = "0.21.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8a30b2e23b9e17a9f90641c7ab1549cd9b44f296d3ccbf309d2863cfe398a0cb"
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dependencies = [
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"gimli",
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]
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[[package]]
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name = "adler"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f26201604c87b1e01bd3d98f8d5d9a8fcbb815e8cedb41ffccbeb4bf593a35fe"
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[[package]]
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name = "aoc2023"
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version = "0.1.0"
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dependencies = [
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"color-eyre",
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]
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[[package]]
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name = "backtrace"
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version = "0.3.69"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2089b7e3f35b9dd2d0ed921ead4f6d318c27680d4a5bd167b3ee120edb105837"
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dependencies = [
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"addr2line",
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"cc",
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"cfg-if",
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"libc",
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"miniz_oxide",
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"object",
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"rustc-demangle",
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]
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[[package]]
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name = "cc"
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version = "1.0.83"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f1174fb0b6ec23863f8b971027804a42614e347eafb0a95bf0b12cdae21fc4d0"
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dependencies = [
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"libc",
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]
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[[package]]
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name = "cfg-if"
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version = "1.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
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[[package]]
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name = "color-eyre"
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version = "0.6.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "5a667583cca8c4f8436db8de46ea8233c42a7d9ae424a82d338f2e4675229204"
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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 = "eyre"
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version = "0.6.9"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "80f656be11ddf91bd709454d15d5bd896fbaf4cc3314e69349e4d1569f5b46cd"
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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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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4271d37baee1b8c7e4b708028c57d816cf9d2434acb33a549475f78c181f6253"
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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 = "lazy_static"
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version = "1.4.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
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[[package]]
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name = "libc"
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version = "0.2.150"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "89d92a4743f9a61002fae18374ed11e7973f530cb3a3255fb354818118b2203c"
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[[package]]
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name = "memchr"
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version = "2.6.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f665ee40bc4a3c5590afb1e9677db74a508659dfd71e126420da8274909a0167"
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[[package]]
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name = "miniz_oxide"
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version = "0.7.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "e7810e0be55b428ada41041c41f32c9f1a42817901b4ccf45fa3d4b6561e74c7"
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dependencies = [
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"adler",
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]
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[[package]]
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name = "object"
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version = "0.32.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "9cf5f9dd3933bd50a9e1f149ec995f39ae2c496d31fd772c1fd45ebc27e902b0"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "once_cell"
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version = "1.18.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
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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 = "pin-project-lite"
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version = "0.2.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
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[[package]]
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name = "rustc-demangle"
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version = "0.1.23"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d626bb9dae77e28219937af045c257c28bfd3f69333c512553507f5f9798cb76"
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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 = "thread_local"
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version = "1.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3fdd6f064ccff2d6567adcb3873ca630700f00b5ad3f060c25b5dcfd9a4ce152"
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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 = "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 = "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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8
Cargo.toml
Normal file
8
Cargo.toml
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@ -0,0 +1,8 @@
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[package]
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name = "aoc2023"
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version = "0.1.0"
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edition = "2021"
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license = "MIT"
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[dependencies]
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color-eyre = "0.6"
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9
LICENSE.txt
Normal file
9
LICENSE.txt
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@ -0,0 +1,9 @@
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The MIT License (MIT)
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Copyright © 2023 Erin
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Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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74
src/bin/day01.rs
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74
src/bin/day01.rs
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@ -0,0 +1,74 @@
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use {
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color_eyre::{eyre::ContextCompat, Report, Result},
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std::io::stdin,
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};
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macro_rules! numxt_impl {
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($self:expr, $rest:ident $(,s: $s:pat)? $(,e: $e:pat)?) => {{
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let self_ = $self;
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let (n, rest): (u8, _) = loop {
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break match self_.0 {
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[$($s,)? b'o', b'n', b'e', $($e)?] => (1, $rest),
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[$($s,)? b't', b'w', b'o', $($e)?] => (2, $rest),
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[$($s,)? b't', b'h', b'r', b'e', b'e', $($e)?] => (3, $rest),
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[$($s,)? b'f', b'o', b'u', b'r', $($e)?] => (4, $rest),
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[$($s,)? b'f', b'i', b'v', b'e', $($e)?] => (5, $rest),
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[$($s,)? b's', b'i', b'x', $($e)?] => (6, $rest),
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[$($s,)? b's', b'e', b'v', b'e', b'n', $($e)?] => (7, $rest),
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[$($s,)? b'e', b'i', b'g', b'h', b't', $($e)?] => (8, $rest),
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[$($s,)? b'n', b'i', b'n', b'e', $($e)?] => (9, $rest),
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[$($s,)? c, $($e)?] if c.is_ascii_digit() => (c - 0x30, $rest),
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[$($s,)? _, $($e)?] => {
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self_.0 = $rest;
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continue;
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}
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[] => return None,
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};
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};
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self_.0 = rest;
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Some(u64::from(n))
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}};
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}
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struct NumXt<'a>(&'a [u8]);
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impl<'a> DoubleEndedIterator for NumXt<'a> {
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fn next_back(&mut self) -> Option<Self::Item> {
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numxt_impl!(self, rest, s: rest @ ..)
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}
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}
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impl<'a> Iterator for NumXt<'a> {
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type Item = u64;
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fn next(&mut self) -> Option<Self::Item> {
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numxt_impl!(self, rest, e: rest @ ..)
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}
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}
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fn part1(x: &str) -> impl Iterator<Item = u64> + DoubleEndedIterator + '_ {
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x.chars().filter_map(|x| x.to_digit(10)).map(u64::from)
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}
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fn part2(x: &str) -> impl Iterator<Item = u64> + DoubleEndedIterator + '_ {
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NumXt(x.as_bytes())
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}
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fn main() -> Result<()> {
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//let part = part1;
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let part = part2;
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Ok(println!(
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"{}",
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stdin()
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.lines()
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.map(|x| {
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x.map_err(Report::from).and_then(|x| {
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let mut it = part(&x);
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let fst = it.next().context("No first number found")?;
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Ok(fst * 10 + it.next_back().unwrap_or(fst))
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})
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})
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.try_fold::<_, _, Result<u64>>(0, |a, b: Result<u64>| Ok(a + b?))?
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||||
))
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||||
}
|
||||
Loading…
Reference in a new issue