asskoala/AdventOfCode
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Initial Commit

Browse Source
This commit is contained in:
Jose Caban
2025-11-30 20:28:10 -05:00
commit e9ac699e67
209 changed files with 39737 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
2022/Day08CSharp/Day08CSharp.csproj Normal file
View File

@@ -0,0 +1,10 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net7.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

203
2022/Day08CSharp/Program.cs Normal file
View File

@@ -0,0 +1,203 @@
// See https://aka.ms/new-console-template for more information
using System.Collections;
var exampleData = new LoadedData("example-input.txt");
var puzzleData = new LoadedData("puzzle-input.txt");
exampleData.Print();
Console.WriteLine(String.Format("Part01, visibility: Example({0}), Puzzle({1})", exampleData.VisibleCount, puzzleData.VisibleCount));
Console.WriteLine(String.Format("Part01, Scenic Score: Example({0}), Puzzle({1})", exampleData.ScenicScore, puzzleData.ScenicScore));
class LoadedData
{
public List<List<int>> TreeData { get; } = new List<List<int>>();
public void Print()
{
string toPrint = "";
for (int j = 0; j < TreeData.Count; j++)
{
for (int i = 0; i < TreeData[j].Count; i++)
{
toPrint += TreeData[j][i];
}
toPrint += "\n";
}
Console.WriteLine(toPrint);
}
public LoadedData(string fileName)
{
TreeData = new List<List<int>>();
using (StreamReader reader = System.IO.File.OpenText(fileName))
{
while (!reader.EndOfStream)
{
string? line = reader.ReadLine();
if (line == null)
{
throw new InvalidDataException();
}
List<int> list = new List<int>();
foreach (char c in line)
{
list.Add((int)(c - '0'));
}
TreeData.Add(list);
}
}
}
public int VisibleCount
{
get
{
int visible = 0;
// Check the inside
for (int j = 1; j < TreeData.Count-1; j++)
{
for (int i = 1; i < TreeData[0].Count-1; i++)
{
if (IsVisible(i,j)) { visible++; }
}
}
// Add the top row and bottom row
visible += TreeData[0].Count * 2;
// Add the two sides
visible += (TreeData.Count-2)*2;
return visible;
}
}
private bool IsVisible(int i, int j)
{
int baseHeight = TreeData[j][i];
bool visUp = true, visRight = true, visLeft = true, visDown = true;
// Up
for (int y = 0, x=i; y < j; y++)
{
if (baseHeight <= TreeData[y][x])
{
visUp = false;
break;
}
}
if (visUp) return true;
// Right
for (int x = i+1, y=j; x < TreeData[i].Count; x++)
{
if (baseHeight <= TreeData[y][x])
{
visRight = false;
break;
}
}
if (visRight) return true;
// Left
for (int x = 0, y = j; x < i; x++)
{
if (baseHeight <= TreeData[y][x])
{
visLeft = false;
break;
}
}
if (visLeft) return true;
// Down
for (int y = j+1, x = i; y < TreeData.Count; y++)
{
if (baseHeight <= TreeData[y][x])
{
visDown = false;
break;
}
}
if (visDown) return true;
return false;
}
public int ScenicScore
{
get
{
int result = 0;
for (int j = 1; j < TreeData.Count - 1; j++)
{
for (int i = 1; i < TreeData[0].Count - 1; i++)
{
result = Int32.Max(result, GetScenicScore(i, j));
}
}
return result;
}
}
private int GetScenicScore(int i, int j)
{
int baseHeight = TreeData[j][i];
int viewUp=0, viewDown=0, viewLeft=0, viewRight=0;
// Up
for (int y = j-1, x = i; y >= 0; y--)
{
viewUp++;
if (TreeData[y][x] >= baseHeight)
{
break;
}
}
// Right
for (int x = i + 1, y = j; x < TreeData[i].Count; x++)
{
viewRight++;
if (TreeData[y][x] >= baseHeight)
{
break;
}
}
// Left
for (int x = i-1, y = j; x >= 0; x--)
{
viewLeft++;
if (TreeData[y][x] >= baseHeight)
{
break;
}
}
// Down
for (int y = j + 1, x = i; y < TreeData.Count; y++)
{
viewDown++;
if (TreeData[y][x] >= baseHeight)
{
break;
}
}
return viewUp * viewDown * viewLeft * viewRight;
}
}

8
2022/Day08CSharp/Properties/launchSettings.json Normal file
View File

@@ -0,0 +1,8 @@
{
"profiles": {
"Day08CSharp": {
"commandName": "Project",
"workingDirectory": "C:\\dev\\DevSandbox\\AdventOfCode\\2022\\Day08CSharp"
}
}
}

5
2022/Day08CSharp/example-input.txt Normal file
View File

@@ -0,0 +1,5 @@
30373
25512
65332
33549
35390

72
2022/Day08CSharp/problem.txt Normal file
View File

@@ -0,0 +1,72 @@
--- Day 8: Treetop Tree House ---
The expedition comes across a peculiar patch of tall trees all planted carefully in a grid. The Elves explain that a previous expedition planted these trees as a reforestation effort. Now, they're curious if this would be a good location for a tree house.
First, determine whether there is enough tree cover here to keep a tree house hidden. To do this, you need to count the number of trees that are visible from outside the grid when looking directly along a row or column.
The Elves have already launched a quadcopter to generate a map with the height of each tree (your puzzle input). For example:
30373
25512
65332
33549
35390
Each tree is represented as a single digit whose value is its height, where 0 is the shortest and 9 is the tallest.
A tree is visible if all of the other trees between it and an edge of the grid are shorter than it. Only consider trees in the same row or column; that is, only look up, down, left, or right from any given tree.
All of the trees around the edge of the grid are visible - since they are already on the edge, there are no trees to block the view. In this example, that only leaves the interior nine trees to consider:
The top-left 5 is visible from the left and top. (It isn't visible from the right or bottom since other trees of height 5 are in the way.)
The top-middle 5 is visible from the top and right.
The top-right 1 is not visible from any direction; for it to be visible, there would need to only be trees of height 0 between it and an edge.
The left-middle 5 is visible, but only from the right.
The center 3 is not visible from any direction; for it to be visible, there would need to be only trees of at most height 2 between it and an edge.
The right-middle 3 is visible from the right.
In the bottom row, the middle 5 is visible, but the 3 and 4 are not.
With 16 trees visible on the edge and another 5 visible in the interior, a total of 21 trees are visible in this arrangement.
Consider your map; how many trees are visible from outside the grid?
--- Part Two ---
Content with the amount of tree cover available, the Elves just need to know the best spot to build their tree house: they would like to be able to see a lot of trees.
To measure the viewing distance from a given tree, look up, down, left, and right from that tree; stop if you reach an edge or at the first tree that is the same height or taller than the tree under consideration. (If a tree is right on the edge, at least one of its viewing distances will be zero.)
The Elves don't care about distant trees taller than those found by the rules above; the proposed tree house has large eaves to keep it dry, so they wouldn't be able to see higher than the tree house anyway.
In the example above, consider the middle 5 in the second row:
30373
25512
65332
33549
35390
Looking up, its view is not blocked; it can see 1 tree (of height 3).
Looking left, its view is blocked immediately; it can see only 1 tree (of height 5, right next to it).
Looking right, its view is not blocked; it can see 2 trees.
Looking down, its view is blocked eventually; it can see 2 trees (one of height 3, then the tree of height 5 that blocks its view).
A tree's scenic score is found by multiplying together its viewing distance in each of the four directions. For this tree, this is 4 (found by multiplying 1 * 1 * 2 * 2).
However, you can do even better: consider the tree of height 5 in the middle of the fourth row:
30373
25512
65332
33549
35390
Looking up, its view is blocked at 2 trees (by another tree with a height of 5).
Looking left, its view is not blocked; it can see 2 trees.
Looking down, its view is also not blocked; it can see 1 tree.
Looking right, its view is blocked at 2 trees (by a massive tree of height 9).
This tree's scenic score is 8 (2 * 2 * 1 * 2); this is the ideal spot for the tree house.
Consider each tree on your map. What is the highest scenic score possible for any tree?

99
2022/Day08CSharp/puzzle-input.txt Normal file
View File

@@ -0,0 +1,99 @@
404310113342042430523206553054613026452223317713352040314520532034136044035422242052404520323121423
120022131035104020413264056552251024207112052153646716635163015540126546334604634352130343204203212
114444043404350333465355412140536532335724647116565610572546474626506052303052063065052530351012030
212240414554223531015555065165021520410363021033163304514155663733352116600665403462501544352500033
324144130111224105125305614015103771206061460425505011635353313773273343325122626415203015344311232
113245430241150240464126012614135430370003075735010164413125456766205302613425655024334411031155403
441245002130523346005210411662277072426351216071200446765701447237330324567025204602342520044502121
214045553122025654652221354616163561012500762010384874262074144065234401637722263412266464251452314
420554052436551160102504245073471242400253801258004372606111667766236046654353552356241642235535400
230444034403653045355316273427144521155460537330375254634265217831710133466511570022515061342332314
215330305636623403455371527067601715250678103470620507380025232122252031461570076036342312211025412
152531154664324333510065716166433534816054420634864077383448250450766671674224724566465113516230555
214332343546262452365454705617472281546633211772075171047360414071436550632720021764434561305210301
111443005611044613477737043746056557178022072372401206038184673647422320773366100676006211551510212
133313521334520014277727658110473505777283286103991788280475205774027243280366061162025220015443455
155404252050544375401645717463634684248661783289138494563725362778686756122861113531553244022156404
101264441110131756443257557872335606716942314559648922296471179061870856246756574324520340610552502
552345216103355364312158072306454410946149736569151493634487672710443362287688034427626033035266435
032116136355447236216431376728258285654613995348237354962282338329733408310145842020562245054642441
224363655451243141363087456580326751652471257429153117112342588642859256252141665722503521125022565
203656402177710126565314466702484652152875481365818345352121487714962821315157703464343750046056642
556042122224622324270101114885994351144861589211656115175234527658398149331284812500044434453264665
333402317273401421323318415855844499641764213948757537893227517242385296970317342824206711503004500
341045445002443367084450562962259886574728664877676766689484955395194385797583863611332250124025511
530441155216276525375870173389743919985448259629562325456237285529598688811050240824703721074602060
320021441136216827813607342916845194696625696785568454728524752386544154132864251748117643644612016
356236015127477502168551236473444979246675949449587984562945859468987964451443376640177554302403555
521032161450418348764563917129159623593365988455562286236885389659621188427923285451742156213351116
161327255665606701821864175493119539272489637754729983857664245665796727199928145136462257620362465
324256011240774073378929732467468357478524626995373968674237767743387885552216853467388044247756643
342275312602047038565615877434724873572784389557789777857693948752846554139723438258054200025014665
051242516637708146638198373275222758924486548779744574439965559638384373152521363134036477637737533
643152555635778437871298236855485688298578349488385645847564753765967563925377954286572876073532255
052252355510464443878597562686999366353446874577654743895687373779864325297372128203202721414431575
003626454683627045725543215594452394956436955758673339474559874959389629573279978978206522053161354
627516237702078544682942119397343558584845947957956986767739349699889797692213624665730454802067156
200457151510133551651137637224323537736454384779467644967339586954746668462789875763614758041306350
335154370506881211537946276895249658859666595888979499974679997597784647296794417997582782381025574
417013603706282285595672445598476844553485594594694865577988599545878778554434654896767653370600163
151076753567166396584462282676939868463579768879699478585698835334464668886671938943507604626741055
316424603540766436474549593426596456855354984858479546978868766769885893482223982736645038024543705
004215748043040351658449499986735473677885875695647795765956883964888467568526739498861211513560376
277541056808037332121324298298467888439897499685669789559864468637637659443647357982947036001076457
301501750655275336942638945358964763536465468989488667796645858846573465972686416787340853151245644
712676410408042175645992725856638455389978885467555675756857577896385395967245722641824067046404672
127263578732604583334129426765554856475867757556696788664596649687355745252374587569983167874135470
372567082480204357437552435378439546954796599589886886999448548554873566373887522667838861416626063
504053336576743468622556295365645349984889785678558796559694969799447958394395964464961434514564147
064634031154473874813798648457894764786965996797567598577449556796733655629459883126531875350855667
400242382466736377478123774763774843994888788596767997699956676943467867843525339987287625323107646
574363428370183567442332638863797996446594766875586998755697498794589458457898531351415551433522556
412167557672308712367589426397979758975789888776586986996554696687355758873775853874897420702317101
770303703378804536976332878328747387584568459887597696678765458466869646823658768383568726667515101
452233157246118285247999798264378649666585777768676869779576767654376979948352929633336613662437752
445720367378533569416697754293496373467957556998785966978548459859767957423835655379853826412537652
743314715884636853952588482996464655775879867757788958998964888966363788982234644268286248732605364
421252340411081749754123523897998635856478675875579877695848758757598799352859935972592464121200154
240060534144421235633966383826944588955556569877797756857998594637769364656894472644372534212151333
030406408132303595787173445575575686448657959549968444868588895645466777395756386243943041550563144
273114334761050642652349846942498578754978859865947785499768464999467827979546133588431400553072571
545140256541065084978642274659978546685549897854997987959494546787556536925383718147440765477035264
213551156551872738118554524476466757347767578664548796858878373885346253453663631131187832513353720
031302225003187455433275258559853476398764745884957978785699446894568423546775622669458815340346707
622067430504086108575211657573256737949367744989999457768543933556446848583667956928715425470730162
242111564658304088777519536233444248435478893367596684875833738467857765957226924427228481325217576
364055473230737526383625952385867723976677963779587753646766774437577338682519314383352032477133503
321304645532064452197673316923724578983475574649393989787463485775923766996461422676353215802454115
233105015700144131749152169592849597799334664843639757588555464399727868723189114371617811204424461
200116461554525361612654498296559659356483355845588365383658756592935783639172813284867400343573434
063667611325433422432889612288938865635845895684777885359355942764253445159748552521586663111276320
602227464555468655756429585352455445365885785394937349896765628578363566623445953670505237256637361
565061226117741561827365137945864958743698627664964883854386585344264536463794276685706331233201162
022104543457075344433186746554898622888662879483534875732366545699493494249416960261188772111451356
436620604222365732527426815953936962792895744565572436255439745543587676567692850112721235162354066
131524412733104587364628695894553856954929535227798584623638988936368718849285573225440174764501540
542435561362065510830610739646131257342496749563278998673868857392617956152266780580611770145235126
403602071007077303754367568233894922487258962426625788335236293726841614813262288087316403413301325
653365633721421431240238511233988284565865357732839935658824268124333235971843281322245237465244640
306442137750441441547377231538498282333378867895866774269433657996442236932105133474315101276433026
026362613577242456258634050671963436933444863559863424588962566983574869370120588454323506304034454
324415624033560610606167505705335537131257342423913353449125925341756615871358508731521557026114366
444331064667665623244155236812366396427328522481655365283852878951317624280585607560532023416160531
356100663130344012403254770320017162464663432371564992618187659799885888814177114132251720346235260
335255502200627412653317161700362276552642826696514719212976746877872577501286045667131741121615252
432342461115176570456177856545043415022291419917157172495246595828707718465323075462216735351424603
052014513044443630413221560860665817858636725794462229844935048786680202681024216170152252502634130
020320466436640542335164431658623622013245024685776848188641088056885388363367731111662103514422342
243313636453126262451331254501288620001007675817755413767166283281358125642646705337503156330264143
322052011503256425407127570260816542455843672731851386601352556410113100252536057366522542640013024
122243505446640664755657664365330525660042002157156113773258264460845541635501120634115505113335223
400325240315062161366031440416477741684364564857378773141186841270761406731633364031611642530523212
033035153153462216052744630367426463087060858055232515783208471176613722677126341566006053644200442
235202335236553544540304237444375273744171216804617062750281644425671760635002322246613220112112312
424551125551101552103143451563560236361153202606118476772167626160624534653670012136420410040115003
433115113101302300404521334255672566234211040710503455555073775502462316364453256460002143312311050
113231445145014641142635155170110005103066306721236312425606163376276006132006331601341420241440202
124001123533434316253543204160331101266365020140476416102251147360064153500112411356634011134351330
004034442142153246064264662030666771573157310340000724745700036734054206654603230345313434140344030
321402405400252420216445132115124427151235102635446313422013474177203430646340442422400002232222342