Day 8 attempt 1 is proof that I should get some sleep. I totally forgot about a couple things and this is hack-n-slashed together nonsense.
This commit is contained in:
2
2022/8/Makefile
Normal file
2
2022/8/Makefile
Normal file
@@ -0,0 +1,2 @@
|
||||
a.out: main.cpp
|
||||
clang++ -std=c++2b -g -O0 main.cpp
|
||||
99
2022/8/data.txt
Normal file
99
2022/8/data.txt
Normal file
@@ -0,0 +1,99 @@
|
||||
020110220332333020110144320304042020444223003535441353331002333431100300241023221210123003331021020
|
||||
002120010112022233203323334422340102033151553341235324543343233301202102130210343113312320222102020
|
||||
000000000301021002423224442341031145215244543444223314545524515335404222310244314423023331200102012
|
||||
011200302010212334422213334343335452314532352111122533515334412241512412033340322004232020212310011
|
||||
110111200102310120411101020333232255345143342245212323552344535253214434143032323213200301101020121
|
||||
122001020113011314043121413025543341512335111452355331355351515421515411500421204113413212021112302
|
||||
011210211003201420103123304513544114145311452334355144111521441452154223512022101102111221311323311
|
||||
011030200312240341224434214241313322323544154242345656634321531531424124544551344224331443202111303
|
||||
031023120224010220144244342511241334331166432443322363352643453525244443222142533014331212133113031
|
||||
331033331100013013431114214253543323143222523423236646456363626622312534521454454123324132323233200
|
||||
313320023430241044213221132131122135436564345625426422255326234363243521151144414344130023210131130
|
||||
002203011410101343345413454143416333665335233566235623536644652644522345535525153521230411343303211
|
||||
022030323311323124542521154345356626352343324652424464566645425223224521453553252234321033403323130
|
||||
331222243010032043452454232565665256426536435254566436633323343652534544214412242551144312310221231
|
||||
231133233004211422411531255443363333555345434532475762623642433466363266634413551244254134333243030
|
||||
020231113200002214145443133533534653326664654474363645366343345466265644554325342415122332200024311
|
||||
311032340032414323451542554464466352256347635357637447736577667463426532442564245132242343241314212
|
||||
210342413212232542421452232234546643373633347344743377376553465333423522425436534352355150302110320
|
||||
012302042023135125251364365232626547463576733637455663764376436734352545425434331543241124042312202
|
||||
304042410233125532432523224245663443763753734647533535565636563665334542556665554245524241400402122
|
||||
100324144335411111343624365526556753335435457754653754663647544353454443256623466532421524442220212
|
||||
004310002315421423634565264237567445665436743333467647547754434765353667542365233361541321530411122
|
||||
340100133133254351662534562377644656735477678648447854646765556636735646456562322345353223545130204
|
||||
223422234555541234336653556365464346366386775667444744567758637737757667635354324626442355153142402
|
||||
301202352352311332364654446567354376644665887886878854847858588356564773766244445222614543212440041
|
||||
121010254322255546522625235356663453785775455846758588786788567566653645763532436352663334521520342
|
||||
223123122512444365553626454767563488464886467858877655766685458675437556363673526236645213411512224
|
||||
003314511142456453664565476333555654845565878476575468776548666885476777366354622652365442341232330
|
||||
100434351354142623236353735657745766665557455465675844665578767675874476556574642555262344222545124
|
||||
310035122251134332246455666547787878577677667587668567788744875844888844364453536232254344234442004
|
||||
332355524421462334544344655646458867688886798865795569865997666688465755335745555656646243433122421
|
||||
212252432545222565265377376368574784887787696558698987968675547855656555445333366624445325141553342
|
||||
113535121253534442546646364347455675758878676575695576785998796454646647555637657565266546254424513
|
||||
023531155256556443573534665476784478579889966685965558767695667786588646763565366352565623135242132
|
||||
332235311465633455637577656876574774599858977857599877979855878694546488485435736564352255345534352
|
||||
423312331346353345545646578646466549968669789766955768696578957665488458568376747735452426221223133
|
||||
042131555255526335474354376567744577697576655686887997959968659596857774864465577464334245541411144
|
||||
314335533542324633457667677854784879668896688676989899996875778858675674784535777333543532331142411
|
||||
342431321343652634443346854886679789759856968779866777899677797959996774647753365556465426225312415
|
||||
443122331352464374355445874586585857875568898788666678776787986756859447544446666763365552244452322
|
||||
434332122456323647344556476668759666569568769987679766689798887678765548587477474536465533643451422
|
||||
012515214225433447464677777487776597697976998888987789798887796967785955887765466437333665342324523
|
||||
151212435544622335634548655777875966867886867777679699887698988956977857868655457465635544364542154
|
||||
425332155643342656676678888575989888788767888899689899798688796666757955465858667777362363434424542
|
||||
531532414223243445466348848575895777968779899997887798776667989655588765447757447347342252524115215
|
||||
155245334655555376575664568856876978978787888977789987998877778796686666588544843473375333466131323
|
||||
442223263655353573545578848875879796997899897789887987979686977788898887848487563664644353624212355
|
||||
532342436423523433743374566649565796978689677778887988977986779775985585775684847364464225436344143
|
||||
144131162643455446377457566657777998676869667898877798979888978868889578745676553337663625625354412
|
||||
212531125562654464546354657756555595879978788779777999979988869895856856488587466676673534564554215
|
||||
515521136425625643733788668547967896969879989899779977888986996776697776777887634766746536654352314
|
||||
533115456346557773554457648785576555967877979777897997977979879979889786544548474557775226255314122
|
||||
432554142445363766476368787846679896977899887779797978979969889696765986666844737665565256236231155
|
||||
125253442625345476646468778468579567787976888987879797899978977695756855477657433457362446432521533
|
||||
451335344244435635354545558745856999567779868887799878899867977959975677866558447464563253543641554
|
||||
412221312464362643575387865576575778679997969899879799897898997777656968646646747476434353234412443
|
||||
132123436534443354553586484485777568678779897878779989966877968659558598445764456573762542646254544
|
||||
024143156436353736354736885476858987768978898698789976987668878886568974574565737457544455543452243
|
||||
413135313643263775675578866878568599957868689889887898688888897699957964455656556464353643525222353
|
||||
151155234625524455454576866886566769799886776697778986968676996687578554546778475347663665445441542
|
||||
225335432336665664467554464786765996688599897886876679899878795577796866847588643664352344525425543
|
||||
231314414363454365656445447648785668665699968677877867679686575989979554888874435546345632362455211
|
||||
215225154624264466667536475884866766856799777898688869799678789658958655666655664763723652345235254
|
||||
035354151466424636347656474544888889966575676978876877797665689589954588444647355553546242434541533
|
||||
001253252266442433343367457848868577696576876956987767987878766766685545864636355333223636351531525
|
||||
432114153244234344474473336455665467595685659677769775776598955788485844764764774633253355345153344
|
||||
440231335123622442356777766866685464699576999777998779679677676798556674878735743562224245652132511
|
||||
321533313113424533355576556587855784598797699998756887876998858868457756543476743664332364153212141
|
||||
003415211213442534357575744467674686668987887956977567898997789587764784753377657636326255155213240
|
||||
224445525333436434526743474634674544887785577959758998579798555487687877644644777665225554533252422
|
||||
114025431113445462556535777346657775747764689775588768859877487468477864653336547436625221413353402
|
||||
444431445545324552322733365535555774656466544687955795855665775645668663457547655566226341423452434
|
||||
410445115125126462226236353755455888548674587788447578688475766447586446763443644432535242233435244
|
||||
124340412535436432636663557555763744747854587474866557668648548584743443577534342355356535325312231
|
||||
200313132541126432532542747437536486654767558545587875558487658465577773437664544545354413212211212
|
||||
101333454545223643623655465756576356785656755457885765456674785763465474656725224222541315314114031
|
||||
131233142323341366245232435554365765545574774767785475776848668453355554474332533326544433554514201
|
||||
321411402434455156645353526473756763444567846554465464446465455445745336435566265254512531525210112
|
||||
030131034355454454644464565464475577344753366858566476585577545346763733342656446563454444451042420
|
||||
123233024345514531322525463344645673755773347575544437475656346736346777342352464432215452454013411
|
||||
014322323421235432556233655455544546633674634474456664346664375533773475562242423541545331424443423
|
||||
103044012005453352356343445634325645434337637364655565435774676736733553262634342435541343244030000
|
||||
320224321434222311444445623462256346445463567453434633465443337646352226626622452524224345304403330
|
||||
212420324020443535541356556336654222753455556557453353546474577342535554563532343321131244211234443
|
||||
122201202000423112251512562424625443344753367744337643545467743645523543344535431154212330403302410
|
||||
302200224224202341324112146243633653523426575646533673677763345633345645554351214352331400423031333
|
||||
123001320330302415435532414224224226352235334353577574436324344226425624263133551342153034141032032
|
||||
213131040401103044255424155325562642646633364323565455323646566426224245451451423431324433130343033
|
||||
231211142003310021532152553311226325626362465244625533422332633634454451545253314415220400420413203
|
||||
312320130422410131322514243524545532465435666446335525623552365342455442353243151122403024303312021
|
||||
133332233112042420435241253424143243654366264342464546256332442465235435334432132240241304411322221
|
||||
333302213333240222002452421142454145262355663455246362444253326353144344554554324413300122011222021
|
||||
202310030210410440001115535553444131333333663342464256255352255253344353414423520402213424030101331
|
||||
020120023231001430421410113431542415212332151336254445313532121145524443121220343020012020230032230
|
||||
210023323121322121303302233233245321224455333332343322323215223451525532222223304043001030230132022
|
||||
002222021003231011234340303045243412535411232132142332533521354111141433134004443142111110122121100
|
||||
022122131333022231003311233440122445251415343142141523345254553214425533033042143220401300010213100
|
||||
122110132221332212341431023220242412121544355542132225542445544553234342030402442141111321103231211
|
||||
122021200131211021314010312001241211235253115315252213451111223452204220130001212341202130012001221
|
||||
163
2022/8/main.cpp
Normal file
163
2022/8/main.cpp
Normal file
@@ -0,0 +1,163 @@
|
||||
#include <fstream>
|
||||
#include <iostream>
|
||||
#include <set>
|
||||
#include <string>
|
||||
#include <vector>
|
||||
|
||||
int main()
|
||||
{
|
||||
std::ifstream ifs("data.txt");
|
||||
if(!ifs.is_open())
|
||||
{
|
||||
std::cerr << "Missing data.txt." << std::endl;
|
||||
return -1;
|
||||
}
|
||||
|
||||
unsigned long total = 0;
|
||||
unsigned long total_pt2 = 0;
|
||||
|
||||
std::vector<std::vector<int>> trees;
|
||||
|
||||
// Parse:
|
||||
for(std::string line; std::getline(ifs, line); )
|
||||
{
|
||||
if(line == "")
|
||||
continue;
|
||||
|
||||
trees.push_back({});
|
||||
for(const char &ch : line)
|
||||
trees.back().push_back(ch - '0');
|
||||
}
|
||||
|
||||
total += 2 * trees.size();
|
||||
total += 2 * (trees[0].size() - 2);
|
||||
|
||||
std::set<std::pair<int, int>> visible_coordinates;
|
||||
|
||||
// NOTE(dev):
|
||||
#warning This shit is wrong because it's only finding the FIRST visible tree, not all visible trees.
|
||||
#warning e.g. If you have 2003005003007004005
|
||||
#warning ^ ^ ^ ^ are all visible from the left
|
||||
#warning ^ is visible from the right
|
||||
|
||||
// left to right, right to left IN EACH ROW:
|
||||
for(auto y = 1; y < trees.size() - 1; ++y)
|
||||
{
|
||||
auto x = 1;
|
||||
bool found_from_left = false;
|
||||
while(x < trees[y].size() - 1)
|
||||
{
|
||||
std::cout << trees[y][x];
|
||||
if(trees[y][x] < trees[y][x-1])
|
||||
break;
|
||||
found_from_left = true;
|
||||
++x;
|
||||
}
|
||||
if(found_from_left)
|
||||
{
|
||||
// make sure it isn't the right-most, as that's already counted
|
||||
if(x == trees[y].size() - 1)
|
||||
{
|
||||
if(trees[y][x] < trees[y][x-1])
|
||||
{
|
||||
std::cout << ": insert {" << (x - 1) << "," << y << "}"
|
||||
<< "(" << trees[y][x-1] << ")";
|
||||
visible_coordinates.insert({x - 1, y});
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << ": insert {" << (x - 1) << "," << y << "}"
|
||||
<< "(" << trees[y][x-1] << ")";
|
||||
visible_coordinates.insert({x - 1, y});
|
||||
|
||||
// NOTE(dev): Only search from the right if there's still room to search:
|
||||
bool found_from_right = false;
|
||||
auto found_x = x - 1;
|
||||
x = trees[y].size() - 2;
|
||||
while(x > found_x)
|
||||
{
|
||||
if(trees[y][x] < trees[y][x + 1])
|
||||
break;
|
||||
found_from_right = true;
|
||||
--x;
|
||||
}
|
||||
if(found_from_right)
|
||||
{
|
||||
std::cout << ": insert {" << (x + 1) << "," << y << "}"
|
||||
<< "(" << trees[y][x+1] << ")";
|
||||
visible_coordinates.insert({x + 1, y});
|
||||
}
|
||||
}
|
||||
}
|
||||
std::cout << std::endl;
|
||||
}
|
||||
|
||||
// top to bottom, bottom to top IN EACH COLUMN:
|
||||
for(auto x = 1; x < trees[0].size() - 1; ++x)
|
||||
{
|
||||
auto y = 1;
|
||||
bool found_from_top = false;
|
||||
while(y < trees.size() - 1)
|
||||
{
|
||||
if(trees[y][x] < trees[y-1][x])
|
||||
break;
|
||||
found_from_top = true;
|
||||
++x;
|
||||
}
|
||||
if(found_from_top)
|
||||
{
|
||||
// make sure it isn't the bottom-most, as that's already counted
|
||||
if(y == trees.size() - 1)
|
||||
{
|
||||
if(trees[y][x] < trees[y-1][x])
|
||||
{
|
||||
std::cout << ": insert {" << x << "," << (y - 1) << "}"
|
||||
<< "(" << trees[y-1][x] << ")";
|
||||
visible_coordinates.insert({x, y - 1});
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
std::cout << ": insert {" << x << "," << (y - 1) << "}"
|
||||
<< "(" << trees[y-1][x] << ")";
|
||||
visible_coordinates.insert({x, y - 1});
|
||||
|
||||
// NOTE(dev): Only search from the bottom if there's still room to search:
|
||||
bool found_from_bottom = false;
|
||||
auto found_y = y - 1;
|
||||
y = trees.size() - 2;
|
||||
while(y > found_y)
|
||||
{
|
||||
if(trees[y][x] < trees[y + 1][x])
|
||||
break;
|
||||
found_from_bottom = true;
|
||||
--y;
|
||||
}
|
||||
if(found_from_bottom)
|
||||
{
|
||||
std::cout << ": insert {" << x << "," << (y + 1) << "}"
|
||||
<< "(" << trees[y+1][x] << ")";
|
||||
visible_coordinates.insert({x, y + 1});
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
total += visible_coordinates.size();
|
||||
|
||||
// // track interior
|
||||
// for(auto y = 1; y < trees.size() - 1; ++y)
|
||||
// {
|
||||
// // left & right, first
|
||||
// for(auto x = 1; x < trees[y].size() - 1; ++x)
|
||||
// {
|
||||
|
||||
// }
|
||||
// }
|
||||
|
||||
std::cout << " Total: " << total << std::endl;
|
||||
std::cout << "PT2 Total: " << total_pt2 << std::endl;
|
||||
|
||||
return 0;
|
||||
}
|
||||
Reference in New Issue
Block a user