Day 3 initial working pass
parent
89ff0eda4e
commit
8da7201ca1
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@ -12,7 +12,7 @@ pub fn build(b: *std.build.Builder) void {
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const mode = b.standardReleaseOptions();
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const days = [_]u8{1, 2};
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const days = [_]u8{1, 2, 3};
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for (days) |day| {
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const dayPath = b.fmt("src/day{}.zig", .{day});
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cvGlQMtQlPtQWWMlcGsrFwFdbgdbdGGDCDCwdd
|
||||
VChVZNBVjTTfhNTFgzrzrJgSdzgzwf
|
||||
THThZTqZRHZRqNVZNTVLjRCMmQsntQctMnsPmMmMcWtLMQ
|
||||
pNRHrbNlNnRLNpMMMTrcGcGTcccz
|
||||
ZttBmsJmZdjsvTTvvdBMjDhfMGWGDfDfcScjfD
|
||||
CmtTtwvtCsgllNHPPFbLpC
|
||||
NpQcvwwRHvdfRvQsNfBQNvfRhVmVMqsZMmMshjMMtWZtMmrm
|
||||
CGHbSSzFLSSHzTnbLnCWMrtWMtjnZMhZrqZtqW
|
||||
FzCPPzLbPgFJbHSPldNRpgNfvvccgvwf
|
||||
nSjpnnhNchMQZMSScnshshncJCGwHGClwmHPZlJPTVZCwHJf
|
||||
LvtzBTgLWgLPlPwHPLPJ
|
||||
dTBDqRqFzzhQFhshhNhM
|
||||
HjjdPsjnllHsbnnDnbTBzLBFBZLLpRFRcCHRFz
|
||||
wqqWwQhQQMCQffqqhtwMGhpZFRRZvzWzFvBvpvmcRvZm
|
||||
fGfghtNhthqJrQqMqMMSgDdbPjbssDbdSnjCdd
|
||||
cqPwJJnnffBFqSfJFnDDPVplLdglGgLVjzGLdVSzVt
|
||||
WHRTWNHsQTNbzsbCbTsvWrWtjlgVdLgLdvdgvmLjpGlgtm
|
||||
ZMQrTbNHZNsHHrQCZrNDFzhwnMJcfnDhJPPPFh
|
||||
LRCFbjNjbCZDmtmqmRRmLtFJBgWBBpvJMwBJvGjBBvMBgw
|
||||
TTrlfHzccVllZhdQgdGMJWvgWgBndwpG
|
||||
fVSshSVlsfslhsSHHSZtZZNmNFmtmbFCDF
|
||||
SPGCBPDMtbcbCtchSMccDTTrrrTFTrsrMTWHTHFVWF
|
||||
JmnzqVmmwwfpJpmdHRTRsdsTrFdrQp
|
||||
LqwLgzJgnjqLwgGcVbtjDGjcVbhv
|
||||
PQcMvrvMsvmdSPPVccmSJcSpGBWWWbBHfWWnfttJWnWJpJ
|
||||
wDzqhjzmqRzDRwqDzNDbWtjWBBBtGbtHpHnnBf
|
||||
zglRhDqqDZgRNmZQVCdcCPQvvdZv
|
||||
RpVjRgvFjGBNWtBWFDtt
|
||||
dcqQwlqMMsCLLfbgQmtD
|
||||
snlgzsggTzSTSJTr
|
||||
dLHhDdtlMngFcFsFLFzzsj
|
||||
vWRGGRVrrWvvGQQJBRsmQzmsqnffqcNfNcfz
|
||||
vSRVJBVBwTvWTnHphTgDgtMpDl
|
||||
bvvGnnJbfPmfdgJJSVtwwCpTScVfNpSC
|
||||
sjsZWDqBqqMRZsDjbWMVwtwNNcNtScRHpRRttp
|
||||
hzhDqqWDzZzDZzZLQPJPdPnPvlrbGdlnFQ
|
||||
PwWHTwzFvNHsNzmmMwzNWGQrCqCFjpZbpnGqrqnpbr
|
||||
gRVRgJRJlDLSJddDccQVrtZnCqjndnrZdnqnqpdq
|
||||
chhgSSJfQhRRcSSSSBLVfzmzHTNzMNsTNWHMMvMP
|
||||
lftqSpBSvhlDBDlhBSczQGmcFMcMVVFMmGFWsm
|
||||
rHLHTNdggsLLnwLHbTTgdrTMPPmMGWZGQQMzQVQFZQGM
|
||||
gbJnrHHjnbrgLrRrHpBJvSBDDsfJsDtstq
|
||||
dBTtFLTtVmpdLhMprSRSWMRSMR
|
||||
QvJvQbjbCgCQRBhzzRsNWNBC
|
||||
bjgGqQGbQnjGQgnQgbGgjJnDLHLdfPVtdDmLZdBFVVZttdTf
|
||||
|
|
@ -0,0 +1,77 @@
|
|||
const std = @import("std");
|
||||
|
||||
pub fn find_intersection2(array1: []u8, array2: []u8) ?u8 {
|
||||
for (array1) |item1| {
|
||||
for (array2) |item2| {
|
||||
if (item1 == item2) {
|
||||
return item2;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
pub fn find_intersection3(array1: []u8, array2: []u8, array3: []u8) ?u8 {
|
||||
for (array1) |item1| {
|
||||
for (array2) |item2| {
|
||||
for (array3) |item3| {
|
||||
if ((item1 == item2) and (item2 == item3)) {
|
||||
return item3;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
pub fn get_priority_value(val: u8) u32 {
|
||||
if (val >= 'a') {
|
||||
return @intCast(u32, val) - 'a' + 1;
|
||||
}
|
||||
else {
|
||||
return @intCast(u32, val) - 'A' + 27;
|
||||
}
|
||||
}
|
||||
|
||||
pub fn main() !void {
|
||||
var file = try std.fs.cwd().openFile("inputs/day3.txt", .{});
|
||||
defer file.close();
|
||||
|
||||
var buf_reader = std.io.bufferedReader(file.reader());
|
||||
var in_stream = buf_reader.reader();
|
||||
|
||||
var buf: [1024]u8 = undefined;
|
||||
var pirority_sum1: u32 = 0;
|
||||
var pirority_sum2: u32 = 0;
|
||||
var line_number: u32 = 0;
|
||||
var group: [3][1024]u8 = [3][1024]u8 {[_]u8{0} ** 1024, [_]u8{0} ** 1024, [_]u8{0} ** 1024};
|
||||
while (try in_stream.readUntilDelimiterOrEof(&buf, '\n')) |line| {
|
||||
const len = line.len;
|
||||
|
||||
var compartment1 = line[0..len/2];
|
||||
var compartment2 = line[len/2..];
|
||||
|
||||
const intersection = find_intersection2(compartment1, compartment2).?;
|
||||
|
||||
pirority_sum1 += get_priority_value(intersection);
|
||||
|
||||
std.mem.copy(u8, &group[line_number % 3], line);
|
||||
|
||||
if ((line_number % 3) == 2) {
|
||||
const intersection2 = find_intersection3(&group[0], &group[1], &group[2]).?;
|
||||
|
||||
pirority_sum2 += get_priority_value(intersection2);
|
||||
|
||||
std.mem.set([1024]u8, &group, [_]u8{0}**1024);
|
||||
}
|
||||
|
||||
line_number += 1;
|
||||
}
|
||||
|
||||
|
||||
std.debug.print("PART1 Sum of all priorties is: {}\n", .{pirority_sum1});
|
||||
std.debug.print("PART2 Sum of all priorties is: {}\n", .{pirority_sum2});
|
||||
}
|
||||
Loading…
Reference in New Issue