Completed day 5 part 1
Also refactored the code
This commit is contained in:
parent
7845628111
commit
3b0fe76e68
137
day5/Cargo.lock
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137
day5/Cargo.lock
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@ -0,0 +1,137 @@
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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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[[package]]
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name = "day5"
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version = "0.1.0"
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||||||
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dependencies = [
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"num_enum 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "derivative"
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version = "1.0.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "num_enum"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"derivative 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
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"num_enum_derive 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "num_enum_derive"
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version = "0.4.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
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"proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "proc-macro-crate"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "proc-macro2"
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version = "0.4.30"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "proc-macro2"
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version = "1.0.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "quote"
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version = "0.6.13"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "quote"
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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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dependencies = [
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"proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "serde"
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version = "1.0.103"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "syn"
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version = "0.15.44"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
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"unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "syn"
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version = "1.0.11"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
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"quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "toml"
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version = "0.5.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "unicode-xid"
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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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[[package]]
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name = "unicode-xid"
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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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[metadata]
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||||||
|
"checksum derivative 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "942ca430eef7a3806595a6737bc388bf51adb888d3fc0dd1b50f1c170167ee3a"
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||||||
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"checksum num_enum 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "be601e38e20a6f3d01049d85801cb9b7a34a8da7a0da70df507bbde7735058c8"
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||||||
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"checksum num_enum_derive 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b59f30f6a043f2606adbd0addbf1eef6f2e28e8c4968918b63b7ff97ac0db2a7"
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|
"checksum proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e10d4b51f154c8a7fb96fd6dad097cb74b863943ec010ac94b9fd1be8861fe1e"
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"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
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"checksum proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "9c9e470a8dc4aeae2dee2f335e8f533e2d4b347e1434e5671afc49b054592f27"
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||||||
|
"checksum quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6ce23b6b870e8f94f81fb0a363d65d86675884b34a09043c81e5562f11c1f8e1"
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"checksum quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "053a8c8bcc71fcce321828dc897a98ab9760bef03a4fc36693c231e5b3216cfe"
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||||||
|
"checksum serde 1.0.103 (registry+https://github.com/rust-lang/crates.io-index)" = "1217f97ab8e8904b57dd22eb61cde455fa7446a9c1cf43966066da047c1f3702"
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||||||
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"checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
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||||||
|
"checksum syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238"
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||||||
|
"checksum toml 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "01d1404644c8b12b16bfcffa4322403a91a451584daaaa7c28d3152e6cbc98cf"
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||||||
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"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
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||||||
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"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
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10
day5/Cargo.toml
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day5/Cargo.toml
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[package]
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name = "day5"
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version = "0.1.0"
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authors = ["Tyler Hallada <tyler@hallada.net>"]
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edition = "2018"
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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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num_enum = "0.4.2"
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1
day5/input/input.txt
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1
day5/input/input.txt
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3,225,1,225,6,6,1100,1,238,225,104,0,1102,9,19,225,1,136,139,224,101,-17,224,224,4,224,102,8,223,223,101,6,224,224,1,223,224,223,2,218,213,224,1001,224,-4560,224,4,224,102,8,223,223,1001,224,4,224,1,223,224,223,1102,25,63,224,101,-1575,224,224,4,224,102,8,223,223,1001,224,4,224,1,223,224,223,1102,55,31,225,1101,38,15,225,1001,13,88,224,1001,224,-97,224,4,224,102,8,223,223,101,5,224,224,1,224,223,223,1002,87,88,224,101,-3344,224,224,4,224,102,8,223,223,1001,224,7,224,1,224,223,223,1102,39,10,225,1102,7,70,225,1101,19,47,224,101,-66,224,224,4,224,1002,223,8,223,1001,224,6,224,1,224,223,223,1102,49,72,225,102,77,166,224,101,-5544,224,224,4,224,102,8,223,223,1001,224,4,224,1,223,224,223,101,32,83,224,101,-87,224,224,4,224,102,8,223,223,1001,224,3,224,1,224,223,223,1101,80,5,225,1101,47,57,225,4,223,99,0,0,0,677,0,0,0,0,0,0,0,0,0,0,0,1105,0,99999,1105,227,247,1105,1,99999,1005,227,99999,1005,0,256,1105,1,99999,1106,227,99999,1106,0,265,1105,1,99999,1006,0,99999,1006,227,274,1105,1,99999,1105,1,280,1105,1,99999,1,225,225,225,1101,294,0,0,105,1,0,1105,1,99999,1106,0,300,1105,1,99999,1,225,225,225,1101,314,0,0,106,0,0,1105,1,99999,1008,677,226,224,1002,223,2,223,1005,224,329,1001,223,1,223,107,226,677,224,1002,223,2,223,1006,224,344,101,1,223,223,1007,677,677,224,1002,223,2,223,1006,224,359,1001,223,1,223,8,677,226,224,102,2,223,223,1005,224,374,101,1,223,223,108,226,677,224,102,2,223,223,1006,224,389,1001,223,1,223,1008,677,677,224,1002,223,2,223,1006,224,404,1001,223,1,223,1107,677,677,224,102,2,223,223,1005,224,419,1001,223,1,223,1008,226,226,224,102,2,223,223,1005,224,434,101,1,223,223,8,226,677,224,1002,223,2,223,1006,224,449,101,1,223,223,1007,677,226,224,102,2,223,223,1005,224,464,1001,223,1,223,107,677,677,224,1002,223,2,223,1005,224,479,1001,223,1,223,1107,226,677,224,1002,223,2,223,1005,224,494,1001,223,1,223,7,677,677,224,102,2,223,223,1006,224,509,101,1,223,223,1007,226,226,224,1002,223,2,223,1005,224,524,101,1,223,223,7,677,226,224,102,2,223,223,1005,224,539,101,1,223,223,8,226,226,224,1002,223,2,223,1006,224,554,101,1,223,223,7,226,677,224,102,2,223,223,1005,224,569,101,1,223,223,1108,677,226,224,1002,223,2,223,1005,224,584,101,1,223,223,108,677,677,224,1002,223,2,223,1006,224,599,101,1,223,223,107,226,226,224,1002,223,2,223,1006,224,614,101,1,223,223,1108,226,226,224,1002,223,2,223,1005,224,629,1001,223,1,223,1107,677,226,224,1002,223,2,223,1005,224,644,101,1,223,223,108,226,226,224,1002,223,2,223,1005,224,659,101,1,223,223,1108,226,677,224,1002,223,2,223,1005,224,674,1001,223,1,223,4,223,99,226
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day5/input/test.txt
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1,9,10,3,2,3,11,0,99,30,40,50
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259
day5/src/main.rs
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day5/src/main.rs
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use std::convert::TryFrom;
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use std::error::Error;
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use std::fs::File;
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use std::io::prelude::*;
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use std::result;
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use std::str::FromStr;
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use num_enum::TryFromPrimitive;
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const INPUT: &str = "input/input.txt";
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type Result<T> = result::Result<T, Box<dyn Error>>;
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#[derive(Debug, PartialEq)]
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struct Intcode {
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integers: Vec<i32>,
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}
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#[derive(Debug, PartialEq)]
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struct Instruction {
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opcode: Opcode,
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parameter_modes: Vec<ParameterMode>,
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}
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impl TryFrom<i32> for Instruction {
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type Error = Box<dyn Error>;
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fn try_from(integer: i32) -> Result<Self> {
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let opcode: Opcode = Opcode::try_from((integer % 100) as u8)?;
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let modes_integer = integer / 100;
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let mut parameter_modes = vec![];
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for parameter_index in 0..opcode.parameter_count() {
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parameter_modes.push(match opcode.target_parameter_index() {
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Some(target_parameter_index)
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if target_parameter_index == parameter_index as usize =>
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{
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ParameterMode::Position
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}
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_ => ParameterMode::try_from(
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(modes_integer % (10_i32.pow(parameter_index + 1))
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/ 10_i32.pow(parameter_index)) as u8,
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)?,
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})
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}
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Ok(Instruction {
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opcode,
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parameter_modes,
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})
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}
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}
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#[derive(Debug, PartialEq, TryFromPrimitive)]
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#[repr(u8)]
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enum Opcode {
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Add = 1,
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Mult = 2,
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Input = 3,
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Output = 4,
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Halt = 99,
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}
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impl Opcode {
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fn parameter_count(&self) -> u32 {
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match self {
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Opcode::Add => 3,
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Opcode::Mult => 3,
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Opcode::Input => 1,
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Opcode::Output => 1,
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Opcode::Halt => 0,
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}
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}
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fn target_parameter_index(&self) -> Option<usize> {
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match self {
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Opcode::Add => Some(2),
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Opcode::Mult => Some(2),
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Opcode::Input => Some(0),
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Opcode::Output => None,
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Opcode::Halt => None,
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}
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}
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}
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#[derive(Debug, PartialEq, TryFromPrimitive)]
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#[repr(u8)]
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enum ParameterMode {
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Position = 0,
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Immediate = 1,
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}
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impl FromStr for Intcode {
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type Err = Box<dyn Error>;
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fn from_str(s: &str) -> Result<Intcode> {
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let intcode_string = s.trim().to_string();
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Ok(Intcode {
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integers: intcode_string
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.split(',')
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.map(|code| code.parse().unwrap())
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.collect(),
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})
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}
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}
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impl Intcode {
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fn load_parameters(&self, pointer: usize, instruction: &Instruction) -> Vec<i32> {
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(0..instruction.opcode.parameter_count() as usize)
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.map(|parameter_index| {
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let mut integer = self.integers[pointer + parameter_index + 1];
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if let ParameterMode::Position = instruction.parameter_modes[parameter_index] {
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match instruction.opcode.target_parameter_index() {
|
||||||
|
Some(target_parameter_index)
|
||||||
|
if target_parameter_index == parameter_index => {}
|
||||||
|
_ => {
|
||||||
|
integer = self.integers[integer as usize];
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
integer
|
||||||
|
})
|
||||||
|
.collect()
|
||||||
|
}
|
||||||
|
|
||||||
|
fn execute(&mut self, input: i32) -> Result<Vec<i32>> {
|
||||||
|
let mut pointer = 0;
|
||||||
|
let mut output = vec![];
|
||||||
|
|
||||||
|
loop {
|
||||||
|
let instruction = Instruction::try_from(self.integers[pointer])?;
|
||||||
|
let parameters = self.load_parameters(pointer, &instruction);
|
||||||
|
|
||||||
|
match instruction.opcode {
|
||||||
|
Opcode::Add => {
|
||||||
|
self.integers[parameters[2] as usize] = parameters[0] + parameters[1];
|
||||||
|
}
|
||||||
|
Opcode::Mult => {
|
||||||
|
self.integers[parameters[2] as usize] = parameters[0] * parameters[1];
|
||||||
|
}
|
||||||
|
Opcode::Input => {
|
||||||
|
self.integers[parameters[0] as usize] = input;
|
||||||
|
}
|
||||||
|
Opcode::Output => {
|
||||||
|
output.push(parameters[0]);
|
||||||
|
}
|
||||||
|
Opcode::Halt => {
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
pointer += 1 + instruction.opcode.parameter_count() as usize;
|
||||||
|
}
|
||||||
|
|
||||||
|
Ok(output)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn read_intcode(filename: &str) -> Result<Intcode> {
|
||||||
|
let mut file = File::open(filename)?;
|
||||||
|
let mut intcode_string = String::new();
|
||||||
|
file.read_to_string(&mut intcode_string)?;
|
||||||
|
|
||||||
|
Ok(intcode_string.parse()?)
|
||||||
|
}
|
||||||
|
|
||||||
|
fn solve_part1() -> Result<i32> {
|
||||||
|
let mut intcode = read_intcode(INPUT)?;
|
||||||
|
Ok(intcode.execute(1)?.into_iter().last().ok_or("No output")?)
|
||||||
|
}
|
||||||
|
|
||||||
|
// fn solve_part2() -> io::Result<i32> {
|
||||||
|
// }
|
||||||
|
|
||||||
|
fn main() -> Result<()> {
|
||||||
|
println!("Part 1: {:?}", solve_part1()?);
|
||||||
|
// println!("Part 2: {}", solve_part2()?);
|
||||||
|
|
||||||
|
Ok(())
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(test)]
|
||||||
|
mod tests {
|
||||||
|
use super::*;
|
||||||
|
|
||||||
|
const TEST_INPUT: &str = "input/test.txt";
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn reads_intcode() {
|
||||||
|
assert_eq!(
|
||||||
|
read_intcode(TEST_INPUT).unwrap(),
|
||||||
|
Intcode {
|
||||||
|
integers: vec![1, 9, 10, 3, 2, 3, 11, 0, 99, 30, 40, 50]
|
||||||
|
},
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn converts_integer_to_instruction() {
|
||||||
|
assert_eq!(
|
||||||
|
Instruction::try_from(1002).unwrap(),
|
||||||
|
Instruction {
|
||||||
|
opcode: Opcode::Mult,
|
||||||
|
parameter_modes: vec![
|
||||||
|
ParameterMode::Position,
|
||||||
|
ParameterMode::Immediate,
|
||||||
|
ParameterMode::Position
|
||||||
|
],
|
||||||
|
}
|
||||||
|
);
|
||||||
|
|
||||||
|
assert_eq!(
|
||||||
|
Instruction::try_from(101).unwrap(),
|
||||||
|
Instruction {
|
||||||
|
opcode: Opcode::Add,
|
||||||
|
parameter_modes: vec![
|
||||||
|
ParameterMode::Immediate,
|
||||||
|
ParameterMode::Position,
|
||||||
|
ParameterMode::Position
|
||||||
|
],
|
||||||
|
}
|
||||||
|
);
|
||||||
|
}
|
||||||
|
|
||||||
|
#[test]
|
||||||
|
fn executes_intcodes() {
|
||||||
|
let mut intcode = Intcode {
|
||||||
|
integers: vec![1, 0, 0, 0, 99],
|
||||||
|
};
|
||||||
|
intcode.execute(0).unwrap();
|
||||||
|
assert_eq!(intcode.integers, vec![2, 0, 0, 0, 99]);
|
||||||
|
|
||||||
|
let mut intcode = Intcode {
|
||||||
|
integers: vec![2, 3, 0, 3, 99],
|
||||||
|
};
|
||||||
|
intcode.execute(0).unwrap();
|
||||||
|
assert_eq!(intcode.integers, vec![2, 3, 0, 6, 99]);
|
||||||
|
|
||||||
|
let mut intcode = Intcode {
|
||||||
|
integers: vec![2, 4, 4, 5, 99, 0],
|
||||||
|
};
|
||||||
|
intcode.execute(0).unwrap();
|
||||||
|
assert_eq!(intcode.integers, vec![2, 4, 4, 5, 99, 9801]);
|
||||||
|
|
||||||
|
let mut intcode = Intcode {
|
||||||
|
integers: vec![1, 1, 1, 4, 99, 5, 6, 0, 99],
|
||||||
|
};
|
||||||
|
intcode.execute(0).unwrap();
|
||||||
|
assert_eq!(intcode.integers, vec![30, 1, 1, 4, 2, 5, 6, 0, 99]);
|
||||||
|
|
||||||
|
let mut intcode = Intcode {
|
||||||
|
integers: vec![1, 9, 10, 3, 2, 3, 11, 0, 99, 30, 40, 50],
|
||||||
|
};
|
||||||
|
intcode.execute(0).unwrap();
|
||||||
|
assert_eq!(
|
||||||
|
intcode.integers,
|
||||||
|
vec![3500, 9, 10, 70, 2, 3, 11, 0, 99, 30, 40, 50]
|
||||||
|
);
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
Reference in New Issue
Block a user