2016/08
This commit is contained in:
105
2016/08/Cargo.lock
generated
Normal file
105
2016/08/Cargo.lock
generated
Normal file
@@ -0,0 +1,105 @@
|
||||
[root]
|
||||
name = "08"
|
||||
version = "0.1.0"
|
||||
dependencies = [
|
||||
"lazy_static 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "aho-corasick"
|
||||
version = "0.5.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "kernel32-sys"
|
||||
version = "0.2.2"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "lazy_static"
|
||||
version = "0.1.16"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "libc"
|
||||
version = "0.2.18"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "memchr"
|
||||
version = "0.1.11"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex"
|
||||
version = "0.1.80"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "regex-syntax"
|
||||
version = "0.3.9"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "thread-id"
|
||||
version = "2.0.0"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
"libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "thread_local"
|
||||
version = "0.2.7"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
dependencies = [
|
||||
"thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
|
||||
]
|
||||
|
||||
[[package]]
|
||||
name = "utf8-ranges"
|
||||
version = "0.1.3"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi"
|
||||
version = "0.2.8"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[[package]]
|
||||
name = "winapi-build"
|
||||
version = "0.1.1"
|
||||
source = "registry+https://github.com/rust-lang/crates.io-index"
|
||||
|
||||
[metadata]
|
||||
"checksum aho-corasick 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "ca972c2ea5f742bfce5687b9aef75506a764f61d37f8f649047846a9686ddb66"
|
||||
"checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
|
||||
"checksum lazy_static 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "cf186d1a8aa5f5bee5fd662bc9c1b949e0259e1bcc379d1f006847b0080c7417"
|
||||
"checksum libc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)" = "a51822fc847e7a8101514d1d44e354ba2ffa7d4c194dcab48870740e327cac70"
|
||||
"checksum memchr 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "d8b629fb514376c675b98c1421e80b151d3817ac42d7c667717d282761418d20"
|
||||
"checksum regex 0.1.80 (registry+https://github.com/rust-lang/crates.io-index)" = "4fd4ace6a8cf7860714a2c2280d6c1f7e6a413486c13298bbc86fd3da019402f"
|
||||
"checksum regex-syntax 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "f9ec002c35e86791825ed294b50008eea9ddfc8def4420124fbc6b08db834957"
|
||||
"checksum thread-id 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9539db560102d1cef46b8b78ce737ff0bb64e7e18d35b2a5688f7d097d0ff03"
|
||||
"checksum thread_local 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "8576dbbfcaef9641452d5cf0df9b0e7eeab7694956dd33bb61515fb8f18cfdd5"
|
||||
"checksum utf8-ranges 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a1ca13c08c41c9c3e04224ed9ff80461d97e121589ff27c753a16cb10830ae0f"
|
||||
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
|
||||
"checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
|
||||
8
2016/08/Cargo.toml
Normal file
8
2016/08/Cargo.toml
Normal file
@@ -0,0 +1,8 @@
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[package]
|
||||
name = "08"
|
||||
version = "0.1.0"
|
||||
authors = ["logaritmisk <anders.e.olsson@gmail.com>"]
|
||||
|
||||
[dependencies]
|
||||
lazy_static = "0.1"
|
||||
regex = "0.1"
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||||
194
2016/08/input.txt
Normal file
194
2016/08/input.txt
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@@ -0,0 +1,194 @@
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rect 1x1
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rotate row y=0 by 7
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rect 1x1
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rotate row y=0 by 5
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rect 1x1
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rotate row y=0 by 5
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rect 1x1
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rotate row y=0 by 2
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rect 1x1
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rotate row y=0 by 3
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rect 1x1
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rotate row y=0 by 5
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rect 1x1
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rotate row y=0 by 3
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rect 1x1
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rotate row y=0 by 2
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rect 1x1
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rotate row y=0 by 3
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rect 2x1
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rotate row y=0 by 7
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rect 6x1
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rotate row y=0 by 3
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rect 2x1
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rotate row y=0 by 2
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rect 1x2
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rotate row y=1 by 10
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rotate row y=0 by 3
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rotate column x=0 by 1
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rect 2x1
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rotate column x=20 by 1
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rotate column x=15 by 1
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rotate column x=5 by 1
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rotate row y=1 by 5
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rotate row y=0 by 2
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||||
rect 1x2
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rotate row y=0 by 5
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rotate column x=0 by 1
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rect 4x1
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rotate row y=2 by 15
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rotate row y=0 by 5
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rotate column x=0 by 1
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rect 4x1
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rotate row y=2 by 5
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rotate row y=0 by 5
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rotate column x=0 by 1
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rect 4x1
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rotate row y=2 by 10
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rotate row y=0 by 10
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rotate column x=8 by 1
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rotate column x=5 by 1
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rotate column x=0 by 1
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rect 9x1
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rotate column x=27 by 1
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rotate row y=0 by 5
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rotate column x=0 by 1
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rect 4x1
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rotate column x=42 by 1
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rotate column x=40 by 1
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rotate column x=22 by 1
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rotate column x=17 by 1
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rotate column x=12 by 1
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rotate column x=7 by 1
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rotate column x=2 by 1
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rotate row y=3 by 10
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rotate row y=2 by 5
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||||
rotate row y=1 by 3
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rotate row y=0 by 10
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rect 1x4
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rotate column x=37 by 2
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rotate row y=3 by 18
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rotate row y=2 by 30
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rotate row y=1 by 7
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rotate row y=0 by 2
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rotate column x=13 by 3
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rotate column x=12 by 1
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||||
rotate column x=10 by 1
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rotate column x=7 by 1
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rotate column x=6 by 3
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||||
rotate column x=5 by 1
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||||
rotate column x=3 by 3
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||||
rotate column x=2 by 1
|
||||
rotate column x=0 by 1
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||||
rect 14x1
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||||
rotate column x=38 by 3
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||||
rotate row y=3 by 12
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||||
rotate row y=2 by 10
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||||
rotate row y=0 by 10
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||||
rotate column x=7 by 1
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||||
rotate column x=5 by 1
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||||
rotate column x=2 by 1
|
||||
rotate column x=0 by 1
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||||
rect 9x1
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||||
rotate row y=4 by 20
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||||
rotate row y=3 by 25
|
||||
rotate row y=2 by 10
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||||
rotate row y=0 by 15
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||||
rotate column x=12 by 1
|
||||
rotate column x=10 by 1
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||||
rotate column x=8 by 3
|
||||
rotate column x=7 by 1
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||||
rotate column x=5 by 1
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||||
rotate column x=3 by 3
|
||||
rotate column x=2 by 1
|
||||
rotate column x=0 by 1
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||||
rect 14x1
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||||
rotate column x=34 by 1
|
||||
rotate row y=1 by 45
|
||||
rotate column x=47 by 1
|
||||
rotate column x=42 by 1
|
||||
rotate column x=19 by 1
|
||||
rotate column x=9 by 2
|
||||
rotate row y=4 by 7
|
||||
rotate row y=3 by 20
|
||||
rotate row y=0 by 7
|
||||
rotate column x=5 by 1
|
||||
rotate column x=3 by 1
|
||||
rotate column x=2 by 1
|
||||
rotate column x=0 by 1
|
||||
rect 6x1
|
||||
rotate row y=4 by 8
|
||||
rotate row y=3 by 5
|
||||
rotate row y=1 by 5
|
||||
rotate column x=5 by 1
|
||||
rotate column x=4 by 1
|
||||
rotate column x=3 by 2
|
||||
rotate column x=2 by 1
|
||||
rotate column x=1 by 3
|
||||
rotate column x=0 by 1
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||||
rect 6x1
|
||||
rotate column x=36 by 3
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||||
rotate column x=25 by 3
|
||||
rotate column x=18 by 3
|
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rotate column x=11 by 3
|
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rotate column x=3 by 4
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||||
rotate row y=4 by 5
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||||
rotate row y=3 by 5
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||||
rotate row y=2 by 8
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||||
rotate row y=1 by 8
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||||
rotate row y=0 by 3
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||||
rotate column x=3 by 4
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||||
rotate column x=0 by 4
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rect 4x4
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||||
rotate row y=4 by 10
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rotate row y=3 by 20
|
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rotate row y=1 by 10
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||||
rotate row y=0 by 10
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rotate column x=8 by 1
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rotate column x=7 by 1
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rotate column x=6 by 1
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rotate column x=5 by 1
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rotate column x=3 by 1
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rotate column x=2 by 1
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||||
rotate column x=1 by 1
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||||
rotate column x=0 by 1
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||||
rect 9x1
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||||
rotate row y=0 by 40
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||||
rotate column x=44 by 1
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rotate column x=35 by 5
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rotate column x=18 by 5
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rotate column x=15 by 3
|
||||
rotate column x=10 by 5
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||||
rotate row y=5 by 15
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||||
rotate row y=4 by 10
|
||||
rotate row y=3 by 40
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||||
rotate row y=2 by 20
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||||
rotate row y=1 by 45
|
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rotate row y=0 by 35
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||||
rotate column x=48 by 1
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||||
rotate column x=47 by 5
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||||
rotate column x=46 by 5
|
||||
rotate column x=45 by 1
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||||
rotate column x=43 by 1
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||||
rotate column x=40 by 1
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||||
rotate column x=38 by 2
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||||
rotate column x=37 by 3
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||||
rotate column x=36 by 2
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||||
rotate column x=32 by 2
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||||
rotate column x=31 by 2
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||||
rotate column x=28 by 1
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||||
rotate column x=23 by 3
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rotate column x=22 by 3
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rotate column x=21 by 5
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||||
rotate column x=20 by 1
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||||
rotate column x=18 by 1
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||||
rotate column x=17 by 3
|
||||
rotate column x=13 by 1
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||||
rotate column x=10 by 1
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||||
rotate column x=8 by 1
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||||
rotate column x=7 by 5
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||||
rotate column x=6 by 5
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||||
rotate column x=5 by 1
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||||
rotate column x=3 by 5
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||||
rotate column x=2 by 5
|
||||
rotate column x=1 by 5
|
||||
229
2016/08/src/main.rs
Normal file
229
2016/08/src/main.rs
Normal file
@@ -0,0 +1,229 @@
|
||||
#[macro_use] extern crate lazy_static;
|
||||
extern crate regex;
|
||||
|
||||
use std::str::FromStr;
|
||||
use std::io::{self, BufRead};
|
||||
use std::fmt;
|
||||
|
||||
|
||||
struct Screen {
|
||||
screen: Vec<Vec<bool>>
|
||||
}
|
||||
|
||||
impl Screen {
|
||||
fn new(width: usize, height: usize) -> Self {
|
||||
Screen {
|
||||
screen: vec![vec![false; width]; height]
|
||||
}
|
||||
}
|
||||
|
||||
fn set(&mut self, display: &str) {
|
||||
for (y, line) in display.lines().enumerate() {
|
||||
for (x, c) in line.chars().enumerate() {
|
||||
self.screen[y][x] = match c {
|
||||
'#' => true,
|
||||
'.' => false,
|
||||
_ => panic!("invalid char!")
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn get(&self) -> String {
|
||||
self.screen.iter()
|
||||
.map(|row| {
|
||||
row.iter()
|
||||
.map(|c| if *c { '#' } else { '.' })
|
||||
.collect::<String>()
|
||||
})
|
||||
.collect::<Vec<_>>()
|
||||
.join("\n")
|
||||
}
|
||||
|
||||
fn fill_rect(&mut self, width: usize, height: usize) {
|
||||
for y in 0..height {
|
||||
for x in 0..width {
|
||||
self.screen[y][x] = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn rotate_column(&mut self, column: usize, step: usize) {
|
||||
let swaps = self.screen.len();
|
||||
|
||||
for _ in 0..step {
|
||||
for y in (1..swaps).rev() {
|
||||
let tmp = self.screen[y - 1][column];
|
||||
|
||||
self.screen[y - 1][column] = self.screen[y][column];
|
||||
|
||||
self.screen[y][column] = tmp;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
fn rotate_row(&mut self, row: usize, step: usize) {
|
||||
let mut vec = &mut self.screen[row];
|
||||
|
||||
let swaps = vec.len();
|
||||
|
||||
for _ in 0..step {
|
||||
for x in (1..swaps).rev() {
|
||||
vec.swap(x, x - 1);
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
impl fmt::Display for Screen {
|
||||
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
|
||||
write!(f, "{}", self.get())
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
#[derive(Debug, PartialEq)]
|
||||
enum Instruction {
|
||||
Rect { x: usize, y: usize },
|
||||
RotateColumn { x: usize, step: usize },
|
||||
RotateRow { y: usize, step: usize }
|
||||
}
|
||||
|
||||
impl FromStr for Instruction {
|
||||
type Err = ();
|
||||
|
||||
fn from_str(s: &str) -> Result<Instruction, ()> {
|
||||
use regex::Regex;
|
||||
|
||||
lazy_static! {
|
||||
static ref RECT: Regex = Regex::new(r"^rect (\d+)x(\d+)$").unwrap();
|
||||
static ref R_COL: Regex = Regex::new(r"^rotate column x=(\d+) by (\d+)$").unwrap();
|
||||
static ref R_ROW: Regex = Regex::new(r"^rotate row y=(\d+) by (\d+)$").unwrap();
|
||||
}
|
||||
|
||||
if let Some(caps) = RECT.captures(s) {
|
||||
let x = caps.at(1).unwrap().parse::<usize>().unwrap();
|
||||
let y = caps.at(2).unwrap().parse::<usize>().unwrap();
|
||||
|
||||
return Ok(Instruction::Rect { x: x, y: y });
|
||||
}
|
||||
|
||||
if let Some(caps) = R_COL.captures(s) {
|
||||
let x = caps.at(1).unwrap().parse::<usize>().unwrap();
|
||||
let step = caps.at(2).unwrap().parse::<usize>().unwrap();
|
||||
|
||||
return Ok(Instruction::RotateColumn { x: x, step: step });
|
||||
}
|
||||
|
||||
if let Some(caps) = R_ROW.captures(s) {
|
||||
let y = caps.at(1).unwrap().parse::<usize>().unwrap();
|
||||
let step = caps.at(2).unwrap().parse::<usize>().unwrap();
|
||||
|
||||
return Ok(Instruction::RotateRow { y: y, step: step });
|
||||
}
|
||||
|
||||
Err(())
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
fn main() {
|
||||
let stdin = io::stdin();
|
||||
|
||||
let instructions = stdin.lock().lines()
|
||||
.filter_map(|line| line.ok())
|
||||
.filter_map(|line| Instruction::from_str(&line).ok());
|
||||
|
||||
let mut screen = Screen::new(50, 6);
|
||||
|
||||
for instruction in instructions {
|
||||
use Instruction::*;
|
||||
|
||||
match instruction {
|
||||
Rect { x, y } => screen.fill_rect(x, y),
|
||||
RotateColumn { x, step } => screen.rotate_column(x, step),
|
||||
RotateRow { y, step } => screen.rotate_row(y, step)
|
||||
}
|
||||
}
|
||||
|
||||
let count = screen.get().chars()
|
||||
.fold(0, |acc, c| if c == '#' { acc + 1 } else { acc });
|
||||
|
||||
println!("{}", screen);
|
||||
println!("lit={}", count);
|
||||
}
|
||||
|
||||
|
||||
#[cfg(test)]
|
||||
mod tests {
|
||||
use std::fmt::Write;
|
||||
use std::str::FromStr;
|
||||
|
||||
use super::{Screen, Instruction};
|
||||
|
||||
|
||||
#[test]
|
||||
fn test_rect() {
|
||||
let mut screen = Screen::new(7, 3);
|
||||
|
||||
screen.fill_rect(3, 2);
|
||||
|
||||
let mut w = String::new();
|
||||
write!(&mut w, "{}", screen).unwrap();
|
||||
|
||||
assert_eq!(w, "###....\n\
|
||||
###....\n\
|
||||
.......");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_rotate_column() {
|
||||
let mut screen = Screen::new(7, 3);
|
||||
|
||||
screen.set("###....\n\
|
||||
###....\n\
|
||||
.......");
|
||||
|
||||
screen.rotate_column(1, 1);
|
||||
|
||||
let mut w = String::new();
|
||||
write!(&mut w, "{}", screen).unwrap();
|
||||
|
||||
assert_eq!(w, "#.#....\n\
|
||||
###....\n\
|
||||
.#.....");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_rotate_row() {
|
||||
let mut screen = Screen::new(7, 3);
|
||||
|
||||
screen.set("#.#....\n\
|
||||
###....\n\
|
||||
.#.....");
|
||||
|
||||
screen.rotate_row(0, 4);
|
||||
|
||||
let mut w = String::new();
|
||||
write!(&mut w, "{}", screen).unwrap();
|
||||
|
||||
assert_eq!(w, "....#.#\n\
|
||||
###....\n\
|
||||
.#.....");
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_rect() {
|
||||
assert_eq!(Ok(Instruction::Rect { x: 1, y: 1 }), Instruction::from_str("rect 1x1"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_rotate_column() {
|
||||
assert_eq!(Ok(Instruction::RotateColumn { x: 0, step: 1 }), Instruction::from_str("rotate column x=0 by 1"));
|
||||
}
|
||||
|
||||
#[test]
|
||||
fn test_parse_rotate_row() {
|
||||
assert_eq!(Ok(Instruction::RotateRow { y: 2, step: 15 }), Instruction::from_str("rotate row y=2 by 15"));
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user