- commit
- 5ccb3268ba7900cd9fb4f1151fc494ce69fe232f
- parent
- 216f857e28a885401fd3a7f72b4995efcc4a4e03
- Author
- Tobias Bengfort <tobias.bengfort@posteo.de>
- Date
- 2022-12-28 10:00
2022-12-25
Diffstat
| A | 2022/25/input.txt | 118 | ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2022/25/solution.rs | 48 | ++++++++++++++++++++++++++++++++++++++++++++++++ |
| A | 2022/25/test.txt | 13 | +++++++++++++ |
3 files changed, 179 insertions, 0 deletions
diff --git a/2022/25/input.txt b/2022/25/input.txt
@@ -0,0 +1,118 @@ -1 1 121=0=- -1 2 1==02020022= -1 3 1==2==20--2== -1 4 1-11- -1 5 1==02=2=02=-1-00-=0 -1 6 1011=-=--00 -1 7 22-1-1=0--0= -1 8 1-=121-00= -1 9 1=1=-=10====10 -1 10 1=-=-21002-2=-- -1 11 211-2=2=- -1 12 1=-1=10 -1 13 11221 -1 14 2-21-20 -1 15 1-0- -1 16 12221=0-0-1= -1 17 101-022121111- -1 18 11=01-==0211 -1 19 1-2-00-=--11 -1 20 1=-12=-=-2=1==02 -1 21 1=-0111===202 -1 22 20011 -1 23 2=22 -1 24 1=2=12-===-= -1 25 202=-2201=-2= -1 26 2=-0221 -1 27 10=20-=2=-- -1 28 1=01202= -1 29 202 -1 30 12211=222= -1 31 2=1=1-0211-=0= -1 32 1-10 -1 33 112=211112 -1 34 11==-100- -1 35 1=21220=-122--2-2- -1 36 11-220 -1 37 122=1110220==1 -1 38 1=1-2210-21-=120102 -1 39 1=0202=1= -1 40 11=2100==2-21121 -1 41 2-21-= -1 42 2=00210- -1 43 1==--2 -1 44 1- -1 45 1== -1 46 1220-1=22-= -1 47 1=1-==21021-=10 -1 48 2=02=02000==1- -1 49 1--210-0-0 -1 50 12-200==1=0-2=-0- -1 51 12110-020-2-1-- -1 52 1-2 -1 53 20=2=--12=120 -1 54 112=20201 -1 55 1=021-0-=2--- -1 56 21202--1=-1=2-- -1 57 101= -1 58 22=0---=- -1 59 21 -1 60 10-1020 -1 61 12=2-==-0-=12=000= -1 62 1-212- -1 63 200=1--0120=2==201 -1 64 200- -1 65 2=0 -1 66 1-1=1110211 -1 67 1---1==2 -1 68 1-2122==10--=0=10 -1 69 1=0-0-2-=01-=220 -1 70 2-0==00001002-= -1 71 1-0--0001-2=0=0- -1 72 1-02--01=-1 -1 73 1=101121=0110021- -1 74 22-22===0-2 -1 75 1=-0-----202=212201 -1 76 120-00--10-=202= -1 77 1=00== -1 78 111022--0012= -1 79 11-2-0=01-=-02 -1 80 1-011=-2 -1 81 2=021-=--1 -1 82 1--212000-2 -1 83 1=-000- -1 84 1-=-==0 -1 85 20=0012110 -1 86 12=21-1-0 -1 87 1=0021=1010=0=2 -1 88 11-0-==01002 -1 89 1102-20=- -1 90 102 -1 91 12122 -1 92 1-100121= -1 93 12=-1==20=20=20222 -1 94 1-=-00--0--1- -1 95 1===-22-2201=01-=-2 -1 96 1==0-11--==2=21=1-=1 -1 97 20=0=20-110-1201-=2 -1 98 112 -1 99 22=- -1 100 2=2-2021 -1 101 11100= -1 102 211- -1 103 10000==10-000--0 -1 104 12 -1 105 1-1---1=111= -1 106 11=-=102===-1-1=- -1 107 20210-2-2-==11 -1 108 1012 -1 109 1-0=-121==-0 -1 110 1===0-0=-0=-=210 -1 111 12--1-2---021=-= -1 112 1000 -1 113 2-2011- -1 114 1--201001=002 -1 115 2-- -1 116 1---102=2=10110 -1 117 1=0=2=011-= -1 118 12=--2-=1-0
diff --git a/2022/25/solution.rs b/2022/25/solution.rs
@@ -0,0 +1,48 @@
-1 1 #[path = "../lib.rs"] mod lib;
-1 2
-1 3 fn int_to_snafu(i: u64) -> String {
-1 4 let mut rest = i;
-1 5 let mut s = String::new();
-1 6
-1 7 while rest != 0 {
-1 8 let (c, carry) = match rest % 5 {
-1 9 2 => ('2', false),
-1 10 1 => ('1', false),
-1 11 0 => ('0', false),
-1 12 4 => ('-', true),
-1 13 3 => ('=', true),
-1 14 _ => unreachable!(),
-1 15 };
-1 16 if carry {
-1 17 rest += 5;
-1 18 }
-1 19 rest /= 5;
-1 20 s.insert(0, c);
-1 21 }
-1 22
-1 23 return s;
-1 24 }
-1 25
-1 26 fn snafu_to_int(s: String) -> u64 {
-1 27 let mut i: i64 = 0;
-1 28 for c in s.chars() {
-1 29 i *= 5;
-1 30 i += match c {
-1 31 '2' => 2,
-1 32 '1' => 1,
-1 33 '0' => 0,
-1 34 '-' => -1,
-1 35 '=' => -2,
-1 36 _ => unreachable!(),
-1 37 }
-1 38 }
-1 39 return i as u64;
-1 40 }
-1 41
-1 42 fn main() {
-1 43 let sum = lib::iter_input()
-1 44 .map(|line| snafu_to_int(line.to_string()))
-1 45 .sum();
-1 46 println!("part1: {}", sum);
-1 47 println!("part1: {}", int_to_snafu(sum));
-1 48 }
diff --git a/2022/25/test.txt b/2022/25/test.txt
@@ -0,0 +1,13 @@ -1 1 1=-0-2 -1 2 12111 -1 3 2=0= -1 4 21 -1 5 2=01 -1 6 111 -1 7 20012 -1 8 112 -1 9 1=-1= -1 10 1-12 -1 11 12 -1 12 1= -1 13 122