Scramble/AOC2022
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Scramble/AOC2022:master
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compare: Scramble/AOC2022:d491307031a7aa161e8c00f7fb16600fed5e0c53
Scramble/AOC2022:master
3 Commits
b247901899 .. d491307031
Author SHA1 Message Date
Scramble d491307031 day 5 in zig 2022-12-05 22:42:03 +00:00
Scramble 9262d1e49b Day 4 in zig 2022-12-05 20:28:00 +00:00
Scramble 1d329a549e Day 3 in zig; skipped day 2 in zig for now 2022-12-05 19:42:18 +00:00
12 changed files with 4678 additions and 3 deletions
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rust/2/sampleinput.txt
+1 -3
View File
@@ -1,6 +1,4 @@
A X draw = 1 + 3 = 4. Also my parsing just takes the 1st and 3rd characters of A X draw = 1 + 3 = 4
the lines so I can type anything else after that and it'll work as an input
file kek
A Y win = 2 + 6 = 8 A Y win = 2 + 6 = 8
A Z loss = 3 + 0 = 3 <- not 9 A Z loss = 3 + 0 = 3 <- not 9
B X loss = 1 + 0 = 1 B X loss = 1 + 0 = 1
zig/2/input.txt
+2500
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File diff suppressed because it is too large. Load diff
zig/2/part1.zig
+19
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@@ -0,0 +1,19 @@
const std = @import("std");
// define wins lookup table
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var buf: [32]u8 = undefined;
var score: i32 = 0;
while (try readerStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
// get score
}
std.debug.print("{d}\n", .{score});
}
zig/3/input.txt
+300
View File
@@ -0,0 +1,300 @@
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zig/3/part1.zig
+57
View File
@@ -0,0 +1,57 @@
const std = @import("std");
const lcConversion = 'a';
const ucConversion = 'A' - 26;
const charIndexer = struct {
pub const Key = u8;
pub const count: usize = 52;
pub fn indexOf(e: u8) usize {
return letterToIdx(e);
}
pub fn keyForIndex(i: usize) u8 {
return idxToLetter(i);
}
};
const CharSet: type = std.enums.IndexedSet(charIndexer, std.enums.NoExtension);
fn letterToIdx(char: u8) u8 {
return switch (char) {
'a'...'z' => char - lcConversion,
'A'...'Z' => char - ucConversion,
else => unreachable,
};
}
fn idxToLetter(i: usize) u8 {
const char = @intCast(u8, i);
return if (char < 26) char + lcConversion else char + ucConversion;
}
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var buf: [200]u8 = undefined;
var score: i32 = 0;
while (try readerStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
var bagOne: CharSet = .{};
var bagTwo: CharSet = .{};
var i: u32 = 0;
while (i < line.len / 2) : (i += 1) {
bagOne.setPresent(line[i], true);
}
while (i < line.len) : (i += 1) {
bagTwo.setPresent(line[i], true);
}
bagOne.setIntersection(bagTwo);
if (bagOne.count() != 1) unreachable; // ensure only one element in common
var iter = bagOne.iterator();
score += letterToIdx(iter.next().?) + 1;
}
std.debug.print("{d}\n", .{score});
}
zig/3/part2.zig
+58
View File
@@ -0,0 +1,58 @@
const std = @import("std");
const lcConversion = 'a';
const ucConversion = 'A' - 26;
const charIndexer = struct {
pub const Key = u8;
pub const count: usize = 52;
pub fn indexOf(e: u8) usize {
return letterToIdx(e);
}
pub fn keyForIndex(i: usize) u8 {
return idxToLetter(i);
}
};
const CharSet: type = std.enums.IndexedSet(charIndexer, std.enums.NoExtension);
fn letterToIdx(char: u8) u8 {
return switch (char) {
'a'...'z' => char - lcConversion,
'A'...'Z' => char - ucConversion,
else => unreachable,
};
}
fn idxToLetter(i: usize) u8 {
const char = @intCast(u8, i);
return if (char < 26) char + lcConversion else char + ucConversion;
}
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var buf: [200]u8 = undefined;
var score: i32 = 0;
read: while (true) {
var bags = [_]CharSet{ .{}, .{}, .{} };
for (bags) |*bag| {
const maybeLine = try readerStream.readUntilDelimiterOrEof(&buf, '\n');
if (maybeLine) |line| {
for (line) |char| {
bag.setPresent(char, true);
}
} else break :read;
}
bags[0].setIntersection(bags[1]);
bags[0].setIntersection(bags[2]);
if (bags[0].count() != 1) unreachable; // ensure only one element in common
var iter = bags[0].iterator();
score += letterToIdx(iter.next().?) + 1;
}
std.debug.print("{d}\n", .{score});
}
zig/4/input.txt
+1000
View File
@@ -0,0 +1,1000 @@
18-20,19-21
9-86,9-87
7-8,8-18
82-98,98-99
17-17,17-77
13-21,20-79
46-52,45-46
34-54,37-53
4-91,3-5
9-80,5-83
66-83,67-83
1-5,1-1
24-27,23-23
3-91,5-90
20-81,19-20
93-99,15-94
1-86,1-87
95-99,16-96
5-94,93-94
93-95,61-94
2-87,2-86
11-97,11-96
2-49,50-78
54-59,2-55
7-96,8-97
28-29,29-93
8-86,8-55
38-54,38-64
97-97,44-96
20-88,21-89
57-80,58-80
34-39,32-35
7-73,8-73
40-62,39-62
50-52,51-51
25-79,24-26
13-84,12-85
47-83,47-84
49-77,76-77
11-53,30-52
85-86,86-86
61-78,46-79
19-52,20-92
10-66,65-66
90-92,13-91
49-88,87-88
44-79,45-80
34-57,34-58
68-70,52-69
2-5,6-85
19-74,18-75
12-99,12-96
95-95,45-96
27-74,23-26
86-90,88-88
39-96,40-97
42-49,43-55
23-42,5-75
3-86,1-93
3-24,25-36
76-80,8-76
26-38,25-97
27-39,16-38
33-77,34-77
64-81,13-63
3-4,4-98
52-80,42-51
90-91,16-96
16-56,45-47
30-99,1-31
51-96,10-51
44-82,44-81
3-53,2-64
51-71,19-67
5-80,80-96
59-61,60-98
84-84,77-85
23-78,22-78
43-84,14-82
67-92,66-68
10-98,23-96
33-57,33-41
20-72,19-71
33-98,21-34
32-55,55-97
7-88,5-96
28-76,3-28
13-39,12-38
19-26,30-71
24-99,83-83
90-96,66-76
5-10,11-96
10-92,15-90
25-89,39-90
13-97,12-97
3-97,98-99
4-6,5-97
15-33,32-33
4-42,10-71
22-93,92-94
22-84,7-16
29-34,26-35
11-66,11-85
6-38,1-7
47-93,5-92
2-97,97-99
6-55,54-86
24-90,89-90
10-79,10-57
58-59,59-60
44-55,45-56
4-88,4-87
99-99,2-96
4-40,41-66
86-92,15-85
50-82,81-92
4-77,5-78
2-98,97-98
4-34,35-35
12-52,22-36
46-47,46-47
17-89,14-97
52-66,65-66
43-51,51-88
26-68,27-68
67-99,3-66
38-92,93-95
94-94,6-70
7-93,29-95
3-88,1-4
82-83,68-83
45-74,31-74
2-95,37-94
26-93,69-88
81-82,74-82
1-35,36-64
3-70,4-70
84-90,83-89
48-65,23-48
32-76,31-76
30-86,31-85
3-6,1-3
49-80,49-79
47-88,48-88
2-13,3-14
41-73,40-74
67-92,67-88
10-85,9-85
14-87,13-87
15-23,15-24
35-56,57-73
48-78,47-85
13-99,6-13
7-9,7-12
3-85,13-51
17-42,18-43
24-68,23-47
18-71,17-71
5-33,4-4
21-22,22-96
16-83,82-97
1-15,14-16
2-2,2-2
4-50,3-4
73-97,73-98
4-95,4-59
18-62,18-99
74-80,73-80
2-62,3-43
3-75,1-18
72-74,21-73
6-98,6-99
3-98,1-3
7-73,6-74
7-77,6-77
10-69,10-34
21-92,20-93
54-60,99-99
9-83,1-3
16-17,17-59
5-81,3-96
39-81,40-81
57-87,3-86
42-95,94-95
53-60,51-61
25-25,23-24
12-66,11-67
27-54,27-88
14-30,30-92
41-48,40-48
27-58,42-59
2-12,13-46
53-54,18-53
59-61,60-60
21-80,2-84
2-37,36-87
14-85,13-86
9-38,8-8
83-97,99-99
3-90,94-98
17-97,16-16
15-18,16-19
13-90,13-89
60-91,60-91
47-85,86-91
65-72,4-66
4-44,45-82
97-98,9-98
18-97,18-47
24-49,14-64
38-85,37-97
40-90,35-56
23-91,6-99
19-97,29-97
9-90,8-89
96-98,44-81
48-59,37-59
60-75,26-59
30-99,30-79
13-45,12-12
9-24,25-94
30-61,16-51
56-97,56-80
1-55,4-93
3-99,12-94
32-74,32-32
31-35,20-34
61-90,61-88
20-57,56-91
1-93,5-92
1-94,1-95
8-93,3-7
10-12,13-55
15-30,31-85
81-84,82-85
59-75,58-75
6-78,77-79
17-26,17-35
34-67,66-67
47-53,54-54
22-98,23-98
74-89,51-80
47-59,45-47
95-96,11-96
1-47,1-37
86-87,87-87
32-32,32-33
77-84,55-98
85-85,12-85
39-79,39-78
61-88,11-61
58-59,59-91
82-90,5-90
2-99,1-99
17-96,64-96
31-89,88-90
81-83,6-82
52-80,27-51
59-68,60-67
67-69,68-91
17-87,18-87
22-99,11-92
3-98,4-98
76-94,95-96
63-99,64-72
14-19,19-22
67-68,67-69
29-97,29-98
2-51,1-3
3-83,1-86
3-64,4-39
6-53,52-98
67-69,22-69
84-88,5-87
23-28,28-82
21-96,12-98
24-91,90-95
19-94,2-98
29-91,30-86
15-98,14-99
12-47,20-66
11-86,12-87
66-90,39-66
77-94,65-94
63-81,64-81
5-67,6-82
47-49,44-48
52-93,94-94
53-86,25-87
27-27,17-72
26-94,40-77
27-27,12-26
17-90,18-91
33-78,77-79
79-97,96-99
67-68,52-68
5-63,1-6
20-34,10-35
54-81,82-82
28-99,29-98
9-89,91-94
6-94,5-94
37-40,19-41
52-77,14-77
35-45,48-99
21-66,53-65
30-33,29-29
12-72,3-84
62-84,19-58
34-54,81-83
20-98,21-93
7-72,19-93
88-90,12-89
2-48,2-23
4-94,3-93
38-58,14-39
85-86,53-86
10-78,1-11
30-30,31-60
38-91,32-82
83-85,82-84
40-82,82-83
24-29,19-74
24-70,25-69
56-69,56-71
32-84,26-85
3-98,97-99
11-90,10-89
48-75,49-75
17-95,18-45
31-79,72-74
4-4,5-89
76-91,57-77
9-80,88-89
61-91,60-91
35-86,35-85
56-66,57-67
58-69,55-58
65-90,43-66
47-72,46-48
7-14,5-6
92-97,36-90
11-49,11-64
32-44,43-45
18-74,19-75
68-82,31-56
62-90,59-91
21-93,93-98
13-18,17-61
7-94,7-8
7-10,10-71
1-92,2-92
9-12,15-70
31-56,14-49
14-93,15-90
56-79,6-57
7-96,6-28
13-96,8-45
24-44,43-44
13-77,68-77
28-96,28-97
15-96,92-94
7-43,7-42
23-40,23-26
58-96,59-96
76-76,75-96
30-56,29-31
80-97,79-96
21-49,21-48
3-75,23-75
4-6,7-96
56-91,7-55
2-14,15-70
35-62,27-34
64-93,63-63
10-10,11-18
1-69,1-70
97-98,1-98
50-92,31-91
12-12,13-59
89-92,14-90
14-15,14-15
81-85,4-99
20-84,13-89
19-32,32-72
35-39,37-40
32-64,33-64
39-67,68-75
47-55,46-48
36-67,35-67
4-20,3-19
33-70,52-69
1-98,3-96
17-74,16-74
83-98,84-97
12-36,12-29
68-84,1-17
15-63,14-63
55-56,13-63
9-62,61-63
11-36,5-12
23-81,4-85
18-78,77-78
4-95,3-97
42-75,42-64
7-97,5-7
17-90,16-16
6-85,2-88
13-14,14-96
52-61,53-62
38-42,34-43
30-31,23-32
7-95,6-94
94-95,49-65
18-97,17-96
7-87,8-88
33-33,34-54
56-68,55-78
11-46,10-46
3-96,2-95
69-69,63-70
67-83,84-84
45-74,37-75
1-3,4-41
7-98,8-99
9-31,10-32
64-65,65-79
28-30,12-29
2-70,69-71
2-94,4-29
84-89,16-83
4-33,5-48
52-91,52-95
43-48,17-47
56-58,57-60
12-92,8-13
68-97,39-69
31-33,36-78
1-95,96-96
47-55,48-55
98-98,2-99
8-76,75-77
9-43,5-25
15-73,57-73
28-42,28-40
16-19,13-20
15-28,29-29
12-74,65-73
55-93,3-93
51-76,56-61
37-77,61-76
9-94,9-24
24-49,49-76
29-33,28-66
43-53,33-54
47-95,35-95
60-73,61-74
48-85,47-47
48-68,18-48
18-81,18-92
4-97,3-5
15-16,15-29
5-9,8-91
77-87,16-76
23-99,22-98
3-64,63-99
5-86,91-93
5-80,1-85
6-54,6-46
42-90,47-80
43-45,44-79
9-66,10-67
88-89,6-89
44-71,45-72
21-86,85-86
59-59,60-91
17-95,18-99
49-93,45-49
36-86,37-81
30-73,73-81
42-46,38-56
16-96,15-95
3-30,4-35
18-93,18-94
14-23,13-45
25-68,7-24
36-55,28-90
17-17,18-98
3-91,3-91
36-66,35-66
1-77,2-77
54-70,21-93
26-73,26-64
15-26,27-96
31-48,48-82
22-64,21-64
74-99,54-73
24-26,25-67
24-24,25-88
25-25,26-63
24-81,80-87
17-19,11-18
19-88,87-88
4-7,6-93
54-71,72-72
61-89,64-76
96-98,36-97
50-64,64-69
66-93,97-99
8-83,9-84
5-96,6-96
3-62,4-69
74-94,52-95
23-57,5-28
9-93,10-93
18-29,17-29
67-85,16-31
13-89,4-13
36-75,15-36
70-96,2-97
20-29,28-93
25-79,24-79
25-92,17-93
21-23,22-70
33-74,34-75
90-90,69-91
39-95,38-95
5-11,4-11
35-36,36-94
11-78,10-90
56-85,57-86
26-39,38-41
2-99,3-99
66-68,11-67
39-85,81-81
2-3,2-60
20-32,20-31
30-78,5-79
14-74,7-82
38-40,39-78
53-55,54-67
9-38,8-38
3-99,2-99
6-12,11-73
96-96,91-95
30-32,25-32
80-81,4-81
6-48,7-48
11-54,2-12
35-71,56-86
41-65,40-66
58-90,58-91
53-87,25-87
2-57,27-56
5-65,4-66
8-51,7-51
84-98,18-28
47-99,47-47
64-71,70-78
93-99,57-93
70-72,1-71
67-68,96-97
31-61,51-52
27-79,27-79
50-77,51-78
3-36,35-89
90-91,18-91
59-96,35-93
14-58,13-13
4-4,5-83
10-33,10-21
34-97,34-52
13-99,98-99
15-78,72-79
7-51,4-35
31-46,31-47
41-59,41-60
1-27,15-17
50-83,63-97
16-48,47-48
8-70,69-99
61-85,61-78
3-87,2-3
9-88,9-88
19-21,8-29
15-94,20-88
1-83,1-84
31-32,32-49
2-5,4-27
20-72,68-71
63-64,50-63
4-97,13-93
3-68,88-96
4-98,3-97
20-20,21-34
12-95,43-83
32-33,33-71
17-83,82-83
31-36,25-32
72-78,12-73
70-81,69-69
41-44,43-65
82-82,18-81
6-90,1-6
6-11,6-11
45-45,17-44
10-87,9-9
48-60,47-60
28-73,28-73
2-9,9-95
41-98,97-99
2-89,88-90
1-93,2-93
76-92,66-75
1-70,26-70
5-5,6-98
24-82,49-61
10-25,13-26
13-22,17-21
98-99,48-96
1-83,3-99
18-37,35-39
4-99,15-99
72-73,5-73
7-99,8-99
1-1,2-32
39-89,39-88
33-34,7-34
76-79,74-79
4-48,4-47
6-96,16-93
1-90,90-91
2-99,54-86
37-84,38-83
5-5,6-99
39-92,91-92
71-73,19-72
33-99,33-93
10-16,15-88
9-22,9-48
11-38,18-37
7-85,82-82
7-33,6-33
13-43,14-44
16-43,15-15
11-69,22-43
10-94,10-93
1-33,27-99
25-44,32-42
78-94,50-96
23-85,27-87
31-90,91-91
50-52,51-52
2-54,20-52
64-82,65-82
8-90,8-89
34-88,35-89
34-73,14-78
22-25,26-76
74-77,66-76
85-89,25-85
9-47,8-47
29-93,28-92
15-17,11-16
82-85,2-81
66-77,10-74
3-46,6-25
17-48,17-49
93-98,94-99
86-86,39-85
15-97,33-98
22-63,21-22
36-81,37-82
53-66,51-54
87-94,10-88
32-79,31-79
15-67,66-67
10-85,7-86
25-37,25-93
4-89,2-3
35-76,35-86
3-95,1-3
6-99,5-57
46-50,49-70
19-56,19-89
38-75,52-76
13-48,12-47
18-96,4-18
2-95,1-96
2-95,94-99
32-41,31-42
48-58,20-78
57-86,16-70
15-15,16-61
98-99,6-97
35-93,34-92
57-57,58-87
2-61,2-97
7-96,59-96
27-84,27-91
30-98,29-97
90-92,90-91
3-70,3-71
37-69,36-38
35-51,45-52
22-66,1-22
4-90,2-3
67-77,68-90
11-70,7-11
70-78,55-69
96-97,4-97
11-97,12-98
48-55,47-54
20-82,20-51
44-45,45-57
27-88,27-68
98-99,13-99
40-84,40-91
3-69,1-73
51-69,49-50
4-53,2-2
4-11,11-23
2-99,4-97
50-50,49-49
64-94,53-95
2-90,5-16
14-96,53-97
8-76,6-46
35-84,12-36
5-97,96-96
58-65,3-89
11-91,32-86
27-89,26-26
3-85,84-84
37-52,51-91
45-56,44-56
21-22,22-84
3-31,31-55
52-89,88-90
67-84,85-85
31-75,76-76
69-78,77-78
22-84,71-95
32-36,32-36
4-92,91-93
4-99,2-4
87-88,59-88
42-88,41-41
43-54,20-54
48-49,22-49
30-63,29-44
11-93,10-10
61-87,14-61
92-94,4-93
94-98,32-94
41-69,40-63
77-78,32-78
7-25,7-24
94-95,2-93
18-79,34-65
47-88,89-94
29-73,96-96
22-58,58-98
9-95,94-98
43-66,66-89
11-70,11-70
9-79,10-80
22-33,12-58
42-73,42-74
1-87,2-87
2-20,3-75
14-61,15-62
17-18,9-18
8-95,9-96
94-95,7-95
9-79,89-91
2-98,48-55
1-3,3-43
25-73,25-90
1-77,1-77
13-97,12-96
97-98,33-83
55-80,24-80
84-93,59-89
8-56,7-55
17-94,93-95
54-90,54-89
62-63,24-61
66-67,66-67
37-41,42-62
13-94,12-94
8-73,8-82
14-53,39-53
49-60,24-46
24-91,13-23
84-97,2-96
19-85,20-86
27-79,11-45
17-48,18-49
23-86,16-87
61-61,40-60
2-86,1-86
24-73,38-72
14-93,79-89
81-99,62-82
23-56,57-74
42-89,54-90
60-62,7-61
4-80,8-79
3-71,4-70
3-3,4-72
6-44,6-81
26-97,97-98
8-41,41-42
1-99,1-98
26-93,76-93
90-91,16-90
60-78,59-93
57-59,87-97
18-25,25-40
19-97,21-82
79-87,20-88
41-89,40-89
25-80,28-55
4-81,3-92
15-88,15-59
46-79,51-83
52-71,70-95
6-97,6-98
15-91,92-92
22-96,96-97
61-86,85-86
75-94,74-97
67-73,72-86
5-88,6-89
2-70,12-66
13-15,14-30
2-92,1-1
75-97,75-97
55-63,50-63
39-81,76-78
62-86,30-96
44-99,61-86
7-66,7-59
31-47,13-30
40-88,87-89
6-95,96-96
4-89,4-91
8-99,7-99
11-93,10-55
56-58,57-73
1-85,86-86
52-60,52-87
2-98,3-98
1-92,3-26
3-5,4-23
1-99,2-99
15-67,42-96
65-65,62-67
21-21,9-20
54-64,28-53
24-84,51-85
32-95,3-96
4-84,2-97
1-87,1-87
6-88,5-88
48-79,47-62
5-97,4-4
22-46,21-23
4-67,11-47
28-29,29-68
3-68,1-3
6-94,4-4
26-43,26-88
3-46,4-53
88-90,39-89
77-96,50-78
19-83,98-98
4-26,1-82
10-83,82-83
1-2,3-82
22-22,8-21
35-51,34-85
1-99,98-98
20-45,14-21
2-74,1-75
1-5,5-21
14-98,14-99
7-91,9-92
16-51,6-55
27-63,13-63
86-86,54-87
31-96,16-96
25-98,98-99
4-92,4-93
51-81,50-82
18-86,40-85
37-59,25-66
80-97,59-81
2-99,85-98
54-86,55-85
11-39,11-37
11-13,12-62
65-91,98-98
22-38,37-45
8-32,9-32
61-84,83-85
27-72,11-72
90-94,12-90
9-97,9-68
3-95,4-95
73-73,58-74
13-16,12-14
71-89,45-72
44-72,44-73
56-58,57-71
47-53,43-52
50-60,10-49
6-19,20-67
49-88,69-87
48-60,21-70
98-98,85-97
18-18,19-30
50-82,81-82
7-63,8-63
79-96,78-95
4-96,1-1
79-80,1-80
20-78,19-81
26-85,26-27
15-24,15-24
2-80,3-81
5-74,4-4
2-2,3-92
1-87,7-84
84-85,34-85
18-96,18-19
50-52,51-89
82-82,48-82
17-54,18-58
82-96,3-97
20-66,67-94
7-83,8-83
2-2,3-67
2-97,96-99
57-69,70-71
70-83,69-83
37-96,39-42
51-99,50-99
18-90,19-90
76-99,75-88
15-52,6-14
3-94,62-95
60-81,59-59
11-26,11-51
8-92,7-92
31-80,79-81
92-93,3-93
14-35,2-13
31-85,84-85
32-91,32-90
31-61,30-61
18-20,19-48
19-60,20-20
73-97,26-85
31-84,85-85
13-80,12-80
2-83,83-98
13-58,14-57
53-86,22-86
8-76,7-9
28-61,29-62
5-99,4-5
96-98,2-97
4-95,94-94
1-58,6-93
33-62,4-63
18-48,8-14
11-85,86-99
36-58,36-59
48-75,49-96
11-92,91-93
67-77,66-67
13-83,73-82
43-61,60-77
68-90,67-68
89-90,90-90
27-95,26-26
31-31,11-36
9-97,11-95
75-86,76-86
19-19,20-64
99-99,7-97
69-69,69-70
9-99,8-99
83-91,10-92
22-22,21-21
41-67,40-42
2-8,7-61
47-63,46-68
zig/4/part1.zig
+38
View File
@@ -0,0 +1,38 @@
const std = @import("std");
const Pair = struct {
low: i32 = 0,
high: i32 = 0,
fn fullyOverlaps(self: *Pair, other: *Pair) bool {
return (self.low <= other.low and self.high >= other.high) or (self.low >= other.low and self.high <= other.high);
}
};
fn parsei32Guaranteed(str: []const u8) i32 {
return std.fmt.parseInt(i32, str, 10) catch unreachable;
}
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var count: i32 = 0;
var buf: [32]u8 = undefined;
while (try readerStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
var pairStrings = std.mem.split(u8, line, ",");
var pairs = [_]Pair{ .{}, .{} };
for (pairs) |*pair| {
var elements = std.mem.split(u8, pairStrings.next().?, "-");
pair.low = parsei32Guaranteed(elements.next().?);
pair.high = parsei32Guaranteed(elements.next().?);
}
if (pairs[0].fullyOverlaps(&pairs[1])) {
count += 1;
}
}
std.debug.print("{d}\n", .{count});
}
zig/4/part2.zig
+41
View File
@@ -0,0 +1,41 @@
const std = @import("std");
const Pair = struct {
low: i32 = 0,
high: i32 = 0,
fn fullyOverlaps(self: *Pair, other: *Pair) bool {
return (self.low <= other.low and self.high >= other.high) or (self.low >= other.low and self.high <= other.high);
}
fn partiallyOverlaps(self: *Pair, other: *Pair) bool {
return (self.low <= other.high and self.high >= other.low);
}
};
fn parsei32Guaranteed(str: []const u8) i32 {
return std.fmt.parseInt(i32, str, 10) catch unreachable;
}
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var count: i32 = 0;
var buf: [32]u8 = undefined;
while (try readerStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
var pairStrings = std.mem.split(u8, line, ",");
var pairs = [_]Pair{ .{}, .{} };
for (pairs) |*pair| {
var elements = std.mem.split(u8, pairStrings.next().?, "-");
pair.low = parsei32Guaranteed(elements.next().?);
pair.high = parsei32Guaranteed(elements.next().?);
}
if (pairs[0].partiallyOverlaps(&pairs[1])) {
count += 1;
}
}
std.debug.print("{d}\n", .{count});
}
zig/5/input.txt
+512
View File
@@ -0,0 +1,512 @@
[T] [D] [L]
[R] [S] [G] [P] [H]
[G] [H] [W] [R] [L] [P]
[W] [G] [F] [H] [S] [M] [L]
[Q] [V] [B] [J] [H] [N] [R] [N]
[M] [R] [R] [P] [M] [T] [H] [Q] [C]
[F] [F] [Z] [H] [S] [Z] [T] [D] [S]
[P] [H] [P] [Q] [P] [M] [P] [F] [D]
1 2 3 4 5 6 7 8 9
move 3 from 8 to 9
move 2 from 2 to 8
move 5 from 4 to 2
move 7 from 1 to 4
move 3 from 8 to 2
move 3 from 2 to 7
move 1 from 7 to 4
move 3 from 2 to 9
move 4 from 7 to 9
move 1 from 5 to 2
move 2 from 3 to 4
move 5 from 9 to 5
move 6 from 9 to 3
move 5 from 9 to 5
move 1 from 9 to 7
move 2 from 3 to 1
move 7 from 3 to 9
move 2 from 7 to 2
move 5 from 2 to 4
move 1 from 2 to 9
move 2 from 1 to 9
move 7 from 6 to 1
move 2 from 7 to 3
move 2 from 3 to 9
move 1 from 7 to 4
move 1 from 9 to 2
move 3 from 1 to 8
move 2 from 3 to 4
move 5 from 9 to 2
move 1 from 3 to 9
move 8 from 5 to 7
move 1 from 6 to 1
move 15 from 4 to 1
move 4 from 2 to 5
move 5 from 9 to 7
move 1 from 9 to 5
move 5 from 1 to 2
move 3 from 8 to 9
move 1 from 7 to 6
move 11 from 1 to 2
move 7 from 5 to 3
move 4 from 2 to 6
move 7 from 3 to 4
move 3 from 5 to 9
move 2 from 2 to 5
move 5 from 1 to 8
move 2 from 6 to 8
move 3 from 8 to 9
move 9 from 4 to 9
move 9 from 7 to 4
move 2 from 8 to 1
move 1 from 8 to 7
move 6 from 2 to 7
move 5 from 2 to 4
move 5 from 7 to 2
move 2 from 1 to 7
move 2 from 6 to 4
move 7 from 7 to 1
move 3 from 2 to 6
move 1 from 8 to 7
move 2 from 9 to 3
move 2 from 3 to 1
move 1 from 2 to 5
move 4 from 6 to 5
move 2 from 2 to 3
move 3 from 5 to 7
move 1 from 5 to 3
move 9 from 1 to 7
move 2 from 9 to 5
move 13 from 4 to 1
move 5 from 7 to 2
move 3 from 3 to 1
move 2 from 2 to 9
move 1 from 2 to 7
move 5 from 5 to 6
move 2 from 2 to 4
move 5 from 1 to 3
move 9 from 7 to 8
move 2 from 9 to 5
move 3 from 5 to 4
move 5 from 9 to 2
move 10 from 4 to 8
move 1 from 4 to 1
move 2 from 8 to 4
move 4 from 8 to 2
move 3 from 6 to 8
move 7 from 8 to 7
move 10 from 9 to 3
move 7 from 3 to 2
move 11 from 2 to 3
move 13 from 3 to 9
move 1 from 6 to 3
move 1 from 1 to 2
move 1 from 2 to 8
move 3 from 3 to 4
move 1 from 2 to 9
move 1 from 4 to 1
move 10 from 8 to 3
move 11 from 9 to 7
move 1 from 6 to 2
move 14 from 7 to 1
move 2 from 2 to 9
move 4 from 7 to 6
move 1 from 2 to 4
move 3 from 4 to 2
move 4 from 2 to 9
move 10 from 3 to 4
move 3 from 6 to 1
move 5 from 9 to 5
move 5 from 5 to 8
move 1 from 9 to 7
move 2 from 9 to 6
move 1 from 9 to 8
move 2 from 4 to 8
move 1 from 4 to 5
move 2 from 3 to 1
move 2 from 3 to 7
move 27 from 1 to 2
move 2 from 7 to 1
move 9 from 4 to 6
move 9 from 6 to 5
move 5 from 8 to 6
move 26 from 2 to 3
move 1 from 2 to 5
move 1 from 2 to 7
move 1 from 8 to 4
move 1 from 7 to 8
move 24 from 3 to 5
move 1 from 8 to 5
move 1 from 4 to 3
move 1 from 7 to 1
move 1 from 8 to 9
move 7 from 1 to 7
move 8 from 6 to 4
move 4 from 7 to 6
move 1 from 3 to 9
move 2 from 9 to 1
move 3 from 7 to 9
move 8 from 4 to 6
move 3 from 9 to 1
move 1 from 3 to 6
move 1 from 8 to 2
move 10 from 5 to 4
move 1 from 3 to 8
move 13 from 5 to 3
move 1 from 2 to 9
move 1 from 8 to 9
move 1 from 3 to 8
move 1 from 9 to 2
move 3 from 6 to 9
move 7 from 4 to 9
move 4 from 3 to 9
move 2 from 6 to 8
move 2 from 4 to 5
move 10 from 9 to 3
move 1 from 1 to 9
move 1 from 4 to 8
move 1 from 1 to 4
move 1 from 4 to 5
move 4 from 6 to 3
move 1 from 9 to 5
move 1 from 6 to 9
move 2 from 6 to 5
move 1 from 9 to 2
move 1 from 6 to 7
move 18 from 5 to 2
move 22 from 3 to 7
move 19 from 7 to 1
move 3 from 8 to 5
move 4 from 9 to 3
move 2 from 7 to 2
move 1 from 8 to 1
move 19 from 1 to 3
move 2 from 7 to 5
move 13 from 3 to 9
move 4 from 1 to 2
move 3 from 5 to 1
move 11 from 9 to 1
move 11 from 2 to 8
move 3 from 9 to 3
move 3 from 5 to 2
move 2 from 1 to 4
move 5 from 2 to 7
move 12 from 1 to 5
move 2 from 4 to 5
move 9 from 5 to 8
move 1 from 5 to 3
move 4 from 2 to 3
move 2 from 7 to 5
move 6 from 2 to 8
move 17 from 8 to 9
move 2 from 9 to 6
move 2 from 7 to 1
move 15 from 9 to 6
move 2 from 2 to 4
move 9 from 8 to 5
move 2 from 1 to 3
move 12 from 6 to 2
move 2 from 3 to 9
move 5 from 6 to 3
move 4 from 5 to 3
move 11 from 3 to 4
move 2 from 9 to 4
move 6 from 5 to 2
move 13 from 4 to 3
move 1 from 4 to 5
move 1 from 4 to 8
move 18 from 2 to 6
move 2 from 5 to 3
move 1 from 8 to 3
move 1 from 2 to 5
move 1 from 7 to 8
move 28 from 3 to 6
move 2 from 3 to 4
move 3 from 5 to 9
move 2 from 5 to 9
move 3 from 9 to 3
move 5 from 3 to 4
move 1 from 9 to 3
move 1 from 9 to 1
move 1 from 3 to 4
move 45 from 6 to 2
move 1 from 8 to 3
move 2 from 4 to 6
move 5 from 4 to 2
move 1 from 3 to 7
move 3 from 2 to 9
move 1 from 4 to 8
move 3 from 6 to 1
move 42 from 2 to 8
move 2 from 9 to 2
move 4 from 2 to 6
move 2 from 2 to 7
move 1 from 9 to 6
move 2 from 8 to 9
move 4 from 1 to 8
move 1 from 6 to 4
move 1 from 4 to 8
move 1 from 2 to 5
move 3 from 7 to 4
move 39 from 8 to 3
move 7 from 8 to 5
move 8 from 5 to 7
move 35 from 3 to 1
move 4 from 3 to 7
move 10 from 7 to 2
move 2 from 9 to 6
move 3 from 4 to 2
move 1 from 7 to 5
move 1 from 7 to 8
move 1 from 5 to 4
move 12 from 1 to 6
move 1 from 8 to 1
move 1 from 4 to 5
move 14 from 6 to 8
move 9 from 8 to 6
move 5 from 6 to 1
move 11 from 2 to 9
move 1 from 9 to 8
move 6 from 8 to 3
move 6 from 9 to 2
move 8 from 1 to 9
move 3 from 3 to 6
move 7 from 1 to 4
move 1 from 5 to 9
move 8 from 9 to 8
move 7 from 6 to 8
move 1 from 9 to 3
move 3 from 6 to 4
move 3 from 9 to 1
move 4 from 3 to 2
move 1 from 6 to 7
move 1 from 4 to 2
move 13 from 1 to 7
move 6 from 4 to 8
move 1 from 7 to 3
move 1 from 4 to 6
move 1 from 9 to 5
move 1 from 3 to 5
move 19 from 8 to 9
move 1 from 6 to 5
move 6 from 9 to 2
move 2 from 5 to 8
move 1 from 5 to 2
move 4 from 1 to 4
move 8 from 9 to 4
move 3 from 9 to 8
move 2 from 9 to 1
move 6 from 7 to 5
move 12 from 4 to 2
move 6 from 8 to 3
move 1 from 4 to 1
move 1 from 3 to 1
move 13 from 2 to 3
move 4 from 5 to 3
move 1 from 4 to 9
move 1 from 8 to 9
move 12 from 3 to 2
move 1 from 9 to 1
move 2 from 5 to 9
move 3 from 9 to 5
move 1 from 7 to 5
move 3 from 7 to 3
move 1 from 5 to 4
move 1 from 5 to 8
move 9 from 2 to 3
move 2 from 2 to 3
move 3 from 1 to 9
move 1 from 8 to 9
move 3 from 9 to 1
move 9 from 2 to 6
move 1 from 9 to 5
move 6 from 2 to 3
move 2 from 6 to 9
move 3 from 6 to 3
move 1 from 4 to 3
move 2 from 9 to 6
move 2 from 7 to 2
move 2 from 2 to 8
move 24 from 3 to 7
move 2 from 5 to 6
move 2 from 8 to 2
move 7 from 2 to 8
move 8 from 3 to 6
move 2 from 1 to 3
move 1 from 1 to 2
move 1 from 5 to 2
move 15 from 7 to 4
move 9 from 7 to 9
move 7 from 9 to 1
move 5 from 8 to 1
move 4 from 1 to 4
move 19 from 4 to 3
move 22 from 3 to 5
move 1 from 7 to 5
move 9 from 5 to 4
move 6 from 1 to 3
move 6 from 3 to 1
move 4 from 5 to 4
move 1 from 2 to 1
move 1 from 2 to 6
move 4 from 6 to 1
move 1 from 3 to 6
move 3 from 6 to 3
move 2 from 9 to 8
move 2 from 5 to 3
move 2 from 5 to 1
move 10 from 6 to 4
move 4 from 4 to 9
move 7 from 4 to 3
move 2 from 8 to 7
move 4 from 9 to 3
move 5 from 5 to 7
move 1 from 5 to 1
move 1 from 6 to 3
move 1 from 8 to 4
move 1 from 8 to 3
move 13 from 4 to 5
move 1 from 1 to 8
move 6 from 5 to 3
move 1 from 7 to 6
move 5 from 7 to 6
move 9 from 1 to 8
move 1 from 8 to 4
move 1 from 7 to 1
move 1 from 4 to 1
move 5 from 3 to 7
move 3 from 7 to 9
move 1 from 5 to 4
move 6 from 8 to 6
move 1 from 9 to 3
move 2 from 9 to 5
move 7 from 5 to 9
move 1 from 7 to 5
move 2 from 5 to 3
move 10 from 6 to 8
move 2 from 6 to 1
move 1 from 4 to 9
move 1 from 7 to 5
move 8 from 8 to 2
move 1 from 1 to 7
move 1 from 9 to 7
move 1 from 5 to 1
move 3 from 9 to 8
move 7 from 8 to 7
move 6 from 7 to 1
move 1 from 8 to 7
move 4 from 7 to 1
move 16 from 3 to 7
move 4 from 3 to 1
move 5 from 7 to 8
move 16 from 1 to 4
move 9 from 1 to 7
move 1 from 3 to 4
move 15 from 4 to 8
move 1 from 3 to 1
move 2 from 1 to 6
move 2 from 4 to 9
move 17 from 8 to 2
move 6 from 9 to 5
move 8 from 7 to 8
move 2 from 6 to 9
move 4 from 5 to 7
move 2 from 8 to 5
move 1 from 5 to 9
move 11 from 2 to 6
move 4 from 6 to 1
move 5 from 2 to 8
move 2 from 9 to 2
move 1 from 9 to 3
move 3 from 1 to 8
move 1 from 3 to 6
move 7 from 6 to 9
move 2 from 5 to 4
move 6 from 7 to 4
move 4 from 8 to 1
move 1 from 5 to 2
move 1 from 6 to 1
move 7 from 9 to 8
move 2 from 7 to 9
move 9 from 2 to 9
move 5 from 9 to 3
move 3 from 2 to 8
move 4 from 8 to 7
move 9 from 7 to 2
move 3 from 1 to 3
move 14 from 8 to 1
move 2 from 8 to 3
move 1 from 9 to 4
move 3 from 7 to 9
move 8 from 3 to 9
move 2 from 2 to 7
move 12 from 1 to 8
move 4 from 1 to 6
move 2 from 6 to 7
move 1 from 6 to 7
move 9 from 4 to 7
move 9 from 7 to 4
move 1 from 1 to 6
move 2 from 3 to 6
move 2 from 6 to 8
move 12 from 9 to 8
move 2 from 6 to 9
move 2 from 9 to 7
move 1 from 8 to 5
move 5 from 7 to 5
move 1 from 9 to 1
move 3 from 4 to 1
move 5 from 4 to 8
move 4 from 1 to 7
move 1 from 4 to 2
move 19 from 8 to 4
move 2 from 7 to 5
move 14 from 8 to 5
move 2 from 7 to 8
move 3 from 9 to 8
move 19 from 4 to 2
move 9 from 2 to 4
move 2 from 7 to 8
move 15 from 5 to 9
move 15 from 9 to 8
move 1 from 5 to 9
move 11 from 8 to 7
move 4 from 5 to 8
move 1 from 5 to 9
move 2 from 9 to 5
move 2 from 2 to 6
move 14 from 2 to 9
move 12 from 8 to 9
move 3 from 8 to 4
move 7 from 9 to 2
move 4 from 7 to 9
move 1 from 6 to 9
move 1 from 7 to 5
move 1 from 6 to 2
move 3 from 5 to 4
move 19 from 9 to 4
move 1 from 5 to 1
move 1 from 9 to 8
move 1 from 1 to 7
move 1 from 8 to 9
move 4 from 7 to 2
move 3 from 7 to 6
move 18 from 4 to 2
move 17 from 2 to 3
move 2 from 6 to 8
move 17 from 3 to 6
move 13 from 2 to 1
move 2 from 8 to 3
move 2 from 2 to 9
move 6 from 1 to 9
move 1 from 3 to 4
move 1 from 3 to 9
move 8 from 6 to 4
move 20 from 4 to 8
move 3 from 4 to 8
move 15 from 8 to 2
move 11 from 2 to 6
move 2 from 1 to 7
move 7 from 9 to 8
move 6 from 9 to 3
move 1 from 6 to 5
zig/5/part1.zig
+75
View File
@@ -0,0 +1,75 @@
const std = @import("std");
const State = enum { Parse, Move };
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();
const stackCharWidth = 4;
var stackCount: ?u32 = null;
var state = State.Parse;
var stacks = std.ArrayList(std.ArrayList(u8)).init(allocator);
defer {
for (stacks.items) |stack| {
stack.deinit();
}
stacks.deinit();
}
var buf: [200]u8 = undefined;
while (try readerStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
switch (state) {
State.Parse => {
if (stackCount == null) {
// first iteration - allocate stacks
stackCount = (@intCast(u32, line.len) + 1) / stackCharWidth;
var i: u32 = 0;
while (i < stackCount.?) : (i += 1) {
try stacks.append(std.ArrayList(u8).init(allocator));
}
}
if (std.mem.eql(u8, line, "")) {
// done parsing
state = State.Move;
for (stacks.items) |*stack| {
_ = stack.pop(); // the stack's index number that also gets parsed
std.mem.reverse(u8, stack.items);
}
} else {
// parse stacks
for (stacks.items) |*stack, i| {
const charIdx = i * stackCharWidth + 1;
const char = line[charIdx .. charIdx + 1];
if (char[0] != ' ') try stack.append(char[0]);
}
}
},
State.Move => {
var tokens = std.mem.split(u8, line, " ");
_ = tokens.next(); // skip "move"
const iterations = try std.fmt.parseInt(u32, tokens.next().?, 10);
_ = tokens.next(); // skip "from"
const src = try std.fmt.parseInt(u32, tokens.next().?, 10) - 1;
_ = tokens.next(); // skip "to"
const dest = try std.fmt.parseInt(u32, tokens.next().?, 10) - 1;
var i: u32 = 0;
while (i < iterations) : (i += 1) {
const tmp = stacks.items[src].pop();
try stacks.items[dest].append(tmp);
}
},
}
}
for (stacks.items) |*stack| {
std.debug.print("{c}", .{stack.pop()});
}
std.debug.print("\n", .{});
}
zig/5/part2.zig
+77
View File
@@ -0,0 +1,77 @@
const std = @import("std");
const State = enum { Parse, Move };
pub fn main() !void {
var file = try std.fs.cwd().openFile("input.txt", .{});
defer file.close();
var a = std.io.bufferedReader(file.reader());
var readerStream = a.reader();
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
const allocator = gpa.allocator();
const stackCharWidth = 4;
var stackCount: ?u32 = null;
var state = State.Parse;
var stacks = std.ArrayList(std.ArrayList(u8)).init(allocator);
defer {
for (stacks.items) |stack| {
stack.deinit();
}
stacks.deinit();
}
var buf: [200]u8 = undefined;
while (try readerStream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
switch (state) {
State.Parse => {
if (stackCount == null) {
// first iteration - allocate stacks
stackCount = (@intCast(u32, line.len) + 1) / stackCharWidth;
var i: u32 = 0;
while (i < stackCount.?) : (i += 1) {
try stacks.append(std.ArrayList(u8).init(allocator));
}
}
if (std.mem.eql(u8, line, "")) {
// done parsing
state = State.Move;
for (stacks.items) |*stack| {
_ = stack.pop(); // the stack's index number that also gets parsed
std.mem.reverse(u8, stack.items);
}
} else {
// parse stacks
for (stacks.items) |*stack, i| {
const charIdx = i * stackCharWidth + 1;
const char = line[charIdx .. charIdx + 1];
if (char[0] != ' ') try stack.append(char[0]);
}
}
},
State.Move => {
var tokens = std.mem.split(u8, line, " ");
_ = tokens.next(); // skip "move"
const iterations = try std.fmt.parseInt(u32, tokens.next().?, 10);
_ = tokens.next(); // skip "from"
const src = try std.fmt.parseInt(u32, tokens.next().?, 10) - 1;
_ = tokens.next(); // skip "to"
const dest = try std.fmt.parseInt(u32, tokens.next().?, 10) - 1;
var i: u32 = 0;
while (i < iterations) : (i += 1) {
const tmp = stacks.items[src].pop();
try stacks.items[dest].append(tmp);
}
const destItems = stacks.items[dest].items;
std.mem.reverse(u8, destItems[destItems.len - iterations ..]);
},
}
}
for (stacks.items) |*stack| {
std.debug.print("{c}", .{stack.pop()});
}
std.debug.print("\n", .{});
}