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No commits in common. "4f7f33cc750cade06d370379c92bee8e72b5d742" and "dba5671d8f5b519313d816324409c2abdffa6ec6" have entirely different histories.
4f7f33cc75
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dba5671d8f
9 changed files with 22 additions and 168 deletions
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@ -11,7 +11,7 @@ pub fn build(b: *std.Build) void {
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var day: u8 = 1;
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while (day <= num_days) : (day += 1) {
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const name = b.fmt("day{d}", .{day});
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const file = b.fmt("src/{s}.zig", .{name});
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const file = b.fmt("{s}.zig", .{name});
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const exe = b.addExecutable(.{
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.name = name,
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@ -1,6 +0,0 @@
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-:-]what()(+/mul(957,396)?mul(550,844)%+why())-? #}from()mul(488,628)%} ~**mul(770,931)$~mul(791,733)<{mul(985,350)<#why()don't()what()select()$what())]what()who()mul(327,185))<^^mul(542,68)#?who()<from()';^how()mul(619,952)/where(){(!);'@,mul(551,161)select()>when()do()from()mul(51,291)[where()!{]/}'@?mul(233,511)@what()]mul(311,967))&who()how()mul(839,578)^who()]}mul(266,735){mul(176,670)mul(154,710)*select()](':^,mul(531,801)# *why()why()mul(30,325)~,where();select()select()}-/when()mul(512,729)+where();[mul(720,339)[~*when()mul(722,867)!);{+mul(582,286)^:)what()@mul(604,485) (who()why()who()from()[mul(128,295)how()?!%~~<what()mul(156,267)'how(689,161):where()mul(206,221) mul(835,81);] %mul(562,798)^{%where()mul(38,166)#!what()mul(185,550)^! ?,+;}}mul(685,101)select()mul(316,869)>[~}{[&;mul(548,186))(%];mul(841,290)when()where()'?mul(646,803)mul(553,782)how()when()-mul(569,604)@ ++:/%why()]select()mul(257,598)#mul(897,819)how()what()from()how()]when()~/!}mul(856,271)+&why(){}why()>who()mul(373,408)-who()^&%>';,when()mul(54,88)what()!mul(663,711)$#(?;^from()mul(898,810)when()from()%@mul(776,102)why()mul(303,842)!/,%<^;mul(840,791){[@mul(909,714)don't()>who()why()from(545,686)%~mul(483,956)^'why()from()where()$>*:mul(931,649) mul(800,313)):mul(31,69)mul(549,670)$;mul(327,976)@who()^mul(627,907)/[@what(925,706) ;^who()!mul(629,813)when(){$&where(){#mul(504,147)?mul(222,429)#who()*/!select()<what()mul(310,934)])^/$]mul(917,911)-%how()?[;,mul(823,273)*[~select()/select()~%mul(703,815)what()where()?what():'?[who()mul(966,52)how()&-~(%[(^mul(913,694)mul(190,570),&<%'from()where()what(979,309):+mul(662,926)/<!when()'select(),/&*mul(655,410) how()}mul(386,934)where()[mul(159,595)@']from()when()#?@mul(356,559)&)>?$ mul(439,336)?from()*select()*}when()]who()mul(148,356)(who()+mul(271,905)mul(564,172)@?(~mul(628,470)#} mul(301,170)?@,^don't();&:^&how(605,264))(what()'mul(896,108),$mul(413,431):<>where();how()>!}when()do()!}/&:when()>mul(754,737)~:#:* mul(962,620)}mul(26,490)!~,mul(450,234){/]who() <;{mul(938,932)?--#%};}mul(140,314)(-}/,[mul(202,839)^why()-!},mul(459,716),mul(600,932)}when()]who()}who())&mul(752,142$mul(174,573)mul(231,182)from()mul(308,661)what()} mul(178,99)&^*[(mul(858,730)~}from()^mul(17,545)what()~{~*^what(90,714)how(),mul(63,969)-]mul(364,49);mul(130,598<:&why()select(879,794)mul(46,169)>&how()%mul(564,506)/what(255,868)mul(415,375)':@who()mul(525,772)<$mul(277,787)[~mul(314,321)'&@$^%mul(741,325)?(%#;*mul(459,703)why()~what()mul(250,38)what()<-$)when()%(don't()mul(296 ',mul(673,933)?#<@who()from()^?mul(831,912)?/*mul(407,853)mul(119what()why()>mul(816,762) how()<}~from()how()/@:mul(792,799)()@?%:$:mul(289,264)
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{mul(602,646)!% ^mul(384,953)do()&&:]<<select()#<mul(766,701)&@(what()who()+>mul(228,736){({}don't()-when()@*>-mul(278,494))/&<mul(596,290)select()when()),{ ~mul(563,584)mul(351,221)how():#where()[{%what(128,820)[ mul(754,363)!{)how()&''from()mul(388,712)?;'>?><(select()mul(916,219)select(),:{(<*mul(360,209)why();~}where()-(,mul~when()when()!where()@:;:#/do()select()select()!,how(972,480)~-how()who()mul(726,867):>mul(549,954)](how(802,821)select()how()[+^mul(535#select()}why()[what()]why()*{#mul(72,525)mul(809,41who()!~where(82,230)}mul(961,563)}who()what(417,588)<how()mul(756,106)!)when() [mul(733,591)how()[why(),<+@,mul(889,603)when()when()mul(60,212)mul(955,930)]~&)/!}-}&mul(206,66)where(882,366)~/<{mul(745,261)'<where()<why();select()(how()mul(74,146)where():~who()what()>&*mul}{,+?%^[when(34,108)who()mul(71,111)$+,}#~-<mul(265,932)]$what();^mul(775,136)mul(192,60)how(){)mul(212,476<who()?mul(264,266)[,^&/how(215,234)mul(447,79)!!+;,who()@{mul(897,924)^what()-%((don't()mul(259,393)who()when(956,639)&where()]@{,mul(637,712)%(mul#'select()!~<+<do(),#&<:% -{)mul(914,330)when()-)?@]{where(240,411)*select()mul(191,984),%?-what()+{mul(623,7)+mul(899,145)</why()select()what()<{~mul(849,743)!where() mul(43,318)when()!~$)mul(607,51)!?<mul(123,500)<]how()!what(){(mul(380,536),mul(367,657)~{,why()?-*$mul(589,520)(#mul(568,853)!-how()'^what()}'^mul(924,205),};'/^!!@mul(765,625)*!+where()[@select()-~do()!!,who()+%mul(369,495)()/mul(530,282)mul(148,870)]*where()mul(668,764)%who()how()how()&![who()mul(678,727)>^]@ when(){:@mul(545,335) &how()from()<:mul(958,59)$ (what()mul(886,155)how()&+mul(525,132)<&}who(502,340)select()when()#^mul(339,398)who(),(how())@@how()$$mul(831,852)when()don't()>mul(935,45) select(930,598)!:select()mul(693,62)(mul(681,508)how()^@*;)mul(235,731)who(468,32)#~>don't()#:what()where()when()~<who()-/mul(137,827)!who()!why()mul(806,939)from()mul(492,899)why()^),who()]#from()$ mul(384,731)>~^>@#{mul(2,62)mul(866,617),>% mul(806,586)how():{/mul(669,407)!/mul(457,522)mul(40,474)>)]select()who()}mul(451,794)]#mul(115,471)~mul(331,456)@^who(){#when()mul(672,70)where()who())(#how()what()!mul(438,748)-/mul(605,224)mul(46,34)~?'</'$#how()&mul(278,426) mul(710,864)mul(296,109);mul(481,73)&<,]mul(650,979) mul(575,478)how()$@%#;mul(319,368)][select()where()/ /,:when()mul(399,630)from()mul(9,26)~'do()mul(953,316)%''%{>mul(650,523)?mul(871,731)?%from(966,980)>when()mul(790,779) from()#$:,'mul(428,763)@# why()mul(724,6)select() ,mul(208,11)why()how()mul(287,562)$[:select()},?mul(531,36)/mul(12,351)#$+,:#:$when():mul(941,380)-[from()!)?-select()mul(102,544)when();~{select()~^;-do() ]who()from(),<who()]/>mul(959,599)>why()/,<%-,!mul(517,558)%])$mul(945,968)mul(854,265)?<when()mul(98,913)<&&}]+mul(830,92)where()]why(132,949)why()from()when()'when();{mul(615,131)(,;}^~!mul(973,226)how()^}){}mul(45,238) where()#)'!~ <
|
||||
|
|
@ -1,109 +0,0 @@
|
|||
const std = @import("std");
|
||||
|
||||
const util = @import("util.zig");
|
||||
const allocator = util.alloc;
|
||||
const log = util.log;
|
||||
|
||||
const Status = enum { multiply, disabled, scan };
|
||||
|
||||
const MulOp = struct {
|
||||
multiplicand: u32,
|
||||
multiplier: u32,
|
||||
status: Status,
|
||||
|
||||
fn init() MulOp {
|
||||
return MulOp{
|
||||
.multiplicand = 0,
|
||||
.multiplier = 0,
|
||||
.status = .scan,
|
||||
};
|
||||
}
|
||||
|
||||
fn reset(self: *MulOp) void {
|
||||
self.multiplicand = 0;
|
||||
self.multiplier = 0;
|
||||
self.status = .scan;
|
||||
}
|
||||
|
||||
fn multiply(self: MulOp) !u32 {
|
||||
return std.math.mul(u32, self.multiplicand, self.multiplier);
|
||||
}
|
||||
};
|
||||
|
||||
// PART 1
|
||||
fn scanForUncorrupted(comptime T: type, window: *std.mem.WindowIterator(T), mul: *MulOp, part: u2) !u32 {
|
||||
var sum: u32 = 0;
|
||||
outer: while (window.next()) |win| {
|
||||
if (part == 2) {
|
||||
if (std.mem.startsWith(u8, win, "don't()")) {
|
||||
mul.status = .disabled;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (!std.mem.startsWith(u8, win, "mul(")) {
|
||||
continue;
|
||||
}
|
||||
|
||||
for (win[4..]) |c| {
|
||||
switch (c) {
|
||||
'0'...'9' => {
|
||||
if (mul.status == .multiply) {
|
||||
mul.multiplier = mul.multiplier * 10 + try std.fmt.parseUnsigned(u32, &[_]u8{c}, 10);
|
||||
} else {
|
||||
mul.multiplicand = mul.multiplicand * 10 + try std.fmt.parseUnsigned(u32, &[_]u8{c}, 10);
|
||||
}
|
||||
},
|
||||
',' => {
|
||||
if (mul.status == .multiply) {
|
||||
mul.reset();
|
||||
continue :outer;
|
||||
}
|
||||
mul.status = .multiply;
|
||||
},
|
||||
')' => {
|
||||
sum += try mul.multiply();
|
||||
mul.reset();
|
||||
continue :outer;
|
||||
},
|
||||
else => {
|
||||
mul.reset();
|
||||
continue :outer;
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
|
||||
// PART 2
|
||||
pub fn maybeScan(comptime T: type, window: *std.mem.WindowIterator(T)) !u32 {
|
||||
var sum: u32 = 0;
|
||||
var mul = MulOp.init();
|
||||
while (window.next()) |win| {
|
||||
if (std.mem.startsWith(u8, win, "do()"))
|
||||
mul.status = .scan;
|
||||
|
||||
if (std.mem.startsWith(u8, win, "don't()"))
|
||||
mul.status = .disabled;
|
||||
|
||||
if (mul.status == .scan) {
|
||||
sum += try scanForUncorrupted(u8, window, &mul, 2);
|
||||
}
|
||||
}
|
||||
return sum;
|
||||
}
|
||||
|
||||
pub fn main() !void {
|
||||
const input = try util.readAllInput(3, allocator);
|
||||
|
||||
var mul = MulOp.init();
|
||||
var window = std.mem.window(u8, input, 12, 1);
|
||||
const p1 = try scanForUncorrupted(u8, &window, &mul, 1);
|
||||
|
||||
window.reset();
|
||||
const p2 = try maybeScan(u8, &window);
|
||||
|
||||
log.info("PART 1: {d}\n", .{p1});
|
||||
log.info("PART 2: {d}\n", .{p2});
|
||||
}
|
||||
|
|
@ -1,52 +0,0 @@
|
|||
const std = @import("std");
|
||||
const Allocator = std.mem.Allocator;
|
||||
const TokenIterator = std.mem.TokenIterator;
|
||||
|
||||
// Memory
|
||||
var gpa = std.heap.GeneralPurposeAllocator(.{}){};
|
||||
pub const alloc = gpa.allocator();
|
||||
|
||||
// Logging
|
||||
pub const log = std.log.default;
|
||||
|
||||
// Functions
|
||||
pub fn tokenizeAllInput(allocator: Allocator, outputType: type, day: u8) !TokenIterator {
|
||||
var fileName: [16]u8 = undefined;
|
||||
const inputFile = try std.fmt.bufPrint(&fileName, "day{d}.txt", .{day});
|
||||
|
||||
var dir = try std.fs.cwd().openDir("../data", .{});
|
||||
defer dir.close();
|
||||
|
||||
const file = try dir.openFile(inputFile, .{});
|
||||
defer file.close();
|
||||
|
||||
const stat = try file.stat();
|
||||
const input = try file.reader().readAllAlloc(allocator, stat.size);
|
||||
return inputToArrayList(outputType, allocator, input);
|
||||
}
|
||||
|
||||
pub fn readAllInput(day: u8, allocator: std.mem.Allocator) ![]const u8 {
|
||||
var fileName: [16]u8 = undefined;
|
||||
const inputFile = try std.fmt.bufPrint(&fileName, "day{d}.txt", .{day});
|
||||
|
||||
var dir = try std.fs.cwd().openDir("../data", .{});
|
||||
defer dir.close();
|
||||
|
||||
const file = try dir.openFile(inputFile, .{});
|
||||
defer file.close();
|
||||
|
||||
const stat = try file.stat();
|
||||
return try file.reader().readAllAlloc(allocator, stat.size);
|
||||
}
|
||||
|
||||
pub fn inputToArrayList(comptime T: type, allocator: std.mem.Allocator, input: []const u8) !std.ArrayList(T) {
|
||||
var out = std.ArrayList(T).init(allocator);
|
||||
errdefer out.deinit();
|
||||
|
||||
var items = std.mem.tokenizeScalar(u8, input, ' ');
|
||||
while (items.next()) |item| {
|
||||
try out.append(try std.fmt.parseInt(T, item, 10));
|
||||
}
|
||||
|
||||
return out;
|
||||
}
|
||||
21
2024/util.zig
Normal file
21
2024/util.zig
Normal file
|
|
@ -0,0 +1,21 @@
|
|||
const std = @import("std");
|
||||
const print = std.debug.print;
|
||||
|
||||
pub fn readAllInput(day: u8, allocator: std.mem.Allocator) ![]const u8 {
|
||||
var fileName: [16]u8 = undefined;
|
||||
const inputFile = try std.fmt.bufPrint(&fileName, "day{d}.txt", .{day});
|
||||
const file = try std.fs.cwd().openFile(inputFile, .{});
|
||||
defer file.close();
|
||||
const stat = try file.stat();
|
||||
return try file.reader().readAllAlloc(allocator, stat.size);
|
||||
}
|
||||
|
||||
pub fn inputToArrayList(comptime T: type, allocator: std.mem.Allocator, input: []const u8) !std.ArrayList(T) {
|
||||
var out = std.ArrayList(T).init(allocator);
|
||||
errdefer out.deinit();
|
||||
var items = std.mem.tokenizeScalar(u8, input, ' ');
|
||||
while (items.next()) |item| {
|
||||
try out.append(try std.fmt.parseInt(T, item, 10));
|
||||
}
|
||||
return out;
|
||||
}
|
||||
Loading…
Reference in a new issue