Add day3
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SHA256:Xsd2dTN+ZC3OZWfvuKIDMQ/1lWicuINSEPgRQw/CJT8
140
data/Y23/day3/data.txt
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140
data/Y23/day3/data.txt
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......194..380....@....900..........639....467........478*..............582...........798.............326...........894.........#...........
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904...........*2.......#......259.....*..........801......464................597.569.............794+................$..218....502..........
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...*.....................-...$.....%..431.........*...810.....840+.668..........*.......144=.............................../...........%627.
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...890...497.........829.643....504..........465..502..............*........488...................787.184...601....215........-450..........
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.......................*............684.....*.............466...970....646..%...........399...........*.............=....88...........=415..
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....................139........415...+......854.....683....*.........+.=.......107.676.....*451......83..416....856.....%....765............
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..............163..............*...................*......796.....992.............*...............................#.798.....*......819......
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.../....678..*...........429..351..........937......629.................*59.677..........652$.292....................*..431..184..*......688
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.79......*...694.......-...........492.247......26.......399/.=....................113.........*...................789....*.......469.......
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.......94............667.............*..*...933...*684........861...687...567*927.*.....869..509.......................423..................
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.596............................561.271.349....-.........139.........@............278......*............@...942*....36......................
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.....475...........*268.........*...................695.................850..#.........233.876......@..768......425......85*734.......*349..
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.......*..119.96........287.....177.............940*......................*..445.........@.........577..........................39..30......
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.....26......*.......................1=.685..........3...120..81.......533...................................718................*...........
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.....................306.........335.................*......+...*..................563..240..................*.......349*708...244...319....
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..........30..197...........639......................7.../.....471.......-.......@..*..%........895*680.....635.......................*.....
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.....*116...*..*..............*...........445.............643.........75.29.....42.586..........................41.....@.....323.....860....
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.511.......105.71.......765...670.....489*.........426.........758.....................139............94.793......*....63.....*.............
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...*.....................$..................470......*..........*.....69.......590.730*...........553...........814..........604............
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.680..............................443..............598...-.....318.....=........*........845..215..*.............................-..........
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............237.......180...........#.691...276...........909...............$..527...881.*.....*...585....224....762.....389..193...........
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.....@.....=.........@....789.................*.......857........&.450...716.............149..885............*............*............504..
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993...906................*.....685..688........385...*........925..*................................700*...811..=......295.....$311.....-...
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...@.................956..809.......*..............................577....965.......%846.....$...@.............839..........................
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.........704.393%....*............1..562..............716.................$..................387.645........................571.342./.......
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......@..*.........226...........*.........526*914...*......172....-..........32............................211.......990......*....695.....
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.....272..481.................288.....................370.....*.....740...........281..............430..13..$...............................
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397............#............................65................677....................*.586..758....*......*.................49.#973....409..
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.............818.........103...........524.*.........150...........781...236.../891.....*.........456.416.591.691-...849....+...........&...
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..................457@......*...........&..813...979*.....453*181....*.....-..........286.....565.....................&.......624...........
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......#....................221..464..................................604.....978.........................................%412.*.............
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619%..176.........=...280......*......*......................493...............*.......................570+....................961..233@....
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..............52..50....*.....26......518.207....%.465.........*.............871...817.............384........792.....@754..................
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............3*.......703............%..........554..............20.........................879.......-....646*...............415...814......
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........944......946..............766.477.492......835......806...........214.........*......*..............................*......%....633.
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....266*......*.....-........................#.783*........*..................900.....852....271..+567.452..249..........850................
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...........938.661....770...87.841..................@......739../.....230.....*...916....................*..*...636..49.........18..*20..4..
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....110................*......*......#341.-.......*.75..........660..........117.....$.803@.780........172.......*....*.160/.....+..........
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....+..................92.693.............952..988..................670.....................@...972...........760..194...............24.....
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........479*...880..=........&..475&..677..........%283.....642....*............359...154................755.............690...........&....
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...../.........*.....590..=..........&.......&....................765......./...*....................419........214-.......*...324..........
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............978$...274.......................822.........*.....-760............700.........235.346................*.............+.....885...
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...................%...582..........338.@.....*...274..252.....................*...720....................700.18.41...........503.......+...
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.244...921.........601....36*..................222..............918...344..733.....109.........610....66..............*...............937...
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...*.........464...*.../.....991................*....................+....*....285*......538..........*.......914......526...465.722........
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............*.....362.460........49............66.121...=...............373.............=.........530..337....=.................*........606
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154...713...611............$725....................*..29...425..74..............920.................@.................389...........715.....
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......*........../.....143.......................652.........*..*..711...69.26........406.....................37*175........122.....#.......
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.....588........39....*......224.........*................868..800...&../...*....407.......46..387.728......................*...............
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............-........39.........*.541.595.516...............................484.*.................*...........206.........636..807..........
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.............858.............716....*..........810*290..372........@949.........921...................428........*..+..........*............
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........486........301*307.........135.................*................264.178......838.....224..-......*......499..816.......227..........
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.......*........................................802...608............24*.......*.........940......98....960............................685..
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.......425.76.........+94..556...........699.......*.......................%....857.266.*.....................8................624*....=....
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............*.................*735......&....$..345....361%.803..856....732.........*....520....*..............%.......269...=.....286......
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...........73.901.../..............384.....520......#.........-./...........447......930......279.......634.............#..207.754......473.
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..............@...538.936*484.....*....665...........630...............236...@.....%.....................*...985..406............-..........
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..............................328..531...%.616...........................*........64..497..105........844.....*......*......207.............
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.....*730......................*.......................478..701........+..567........*...........110.......175.......6.737.......+....192...
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..363......119....6....942......892....171..358.981..........*........731.........455....#..........*993.......383......*.........505..@....
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..............*....%.%....*............*......*..../..%.....................995........850...264..........82%.....=......735.../............
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..207...413/.349.@...628.685.........930......231....921.......................................$..142...........-............713....260.....
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....789....../..859......@....770............286.881.................867.........218......346.........691..368......*.......................
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......$...411.....@.781............857................*912.135.&27...........885....*.942.........%............436..264.449.577..92#........
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..............$..106........767..290...751................977............990................499...................466.........545...........
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...............................=..........*..................................345............./....=.../...266.847....*605....*....219.......
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..................984.....735..........761......727.........814.481.....737...*......936...........76.599.*....=...........247...=..........
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.....182*875...477#..............*...108...................390.......266...........678.593.......-..............$....&.649...../..../...*...
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..492......639.650.........................................@.....................21........./.......170............................+..@.....
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...*..942..=................794.........@..........456............185.395....437...........721..........206..+231...............638...424...
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479......*....................*.........251....243*....387........=..................520.............$...../................................
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...191...136..453*.............#../537...............%.612........89..417......50.........................429..................859..........
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....629....191..........369*.................109.............326..312*....&...........*.....*....478...........*......432...&......104......
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670............................&....967*........*.....................516..92..855...685.712..............936...............88....$.........
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.....583......974....26*24......782.....806...160...............669...............@..........606*........%......89..........................
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786.............*................................................&..................=............742...........+...................%........
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......#....@.939......375..............332-..........575...546*........*....196.628.581....@...............288.........645...467.246..125...
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....46...872.....414.....*..=......+........677................342..883.301..*...@.........699.261...796......*....809....-..*.......*......
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................$.....828....940..400.........$.40............................39.........*..............=.......-....*........780....925....
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.....*375.................39.............418....*................................../..279.367../676..........982.....216....=...............
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..703......$....../............703*.......*..904.....465.........*182..92.........173...............610...65................685.....55$.....
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..136........................................933......783.724.320...344..................../...........+....51...108..597.41.....809........
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...+........715.663............$.....821.....*...........*............*.....@657..354..411..........811..........*..........................
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......633.....*............*...925.........991...852........=...=......184..........*.........589.................788...191.................
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.........*....574........368.....................@.......373..657.701........411..575.954&......*.......$.....748.........*....758..........
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........787........770.............................879............*......88....*..............119.....817.....*.........914....*......751...
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.14.173...............*........................189*................509..%......29.............................87................683..*......
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...*........../.....563..270*876...123................................................../64.....216........................977......316.....
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.......612..516.50...................*................762..23/.........26.........608.............$..466*214.......455...#..#..352......928.
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........*.........*......296..@.......970..513.........*.........584..................233.....945................./.....846...+.............
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......918.......640..585.....600..550.....*.......=....723.......*.............-.......-..418.....15.180...969.......................703....
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...@.......-63...........=........*.......839...769............76........671...268........+..........*.........965....#.....#.568...*.......
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.194.....................453......530...................*675......487.=....+.........309....224..507.209.........@.138....300..*..$.........
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.......@..@....846.............%.........714...468...150......88......510..............*...*.......*...........................9.816........
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.....234.140....*..............903..789.....*.*..............*..............631........702.80....33.........513........276..................
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.............381.......................*.803...474......267...296.436.......*........................679....*............*........939...784.
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.....-..........................33&.158....................*......*.......569........487...871/............510......274.542.........*.......
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......883.....*163...782..-.............379.764@.....912=..796...91.....................&.......979....907.....*......*........167....+.+873
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...........110........*..577........&....*............................*778...................$............@.241.428..949...680*.....513.....
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....................924........471.470.268..486......../....#......567...........470..469.794....%...............................+..........
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..725*532......$........@.......*..........*........926......213............405.....*...*......355...615...#....73........151.....896.......
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............980......969....812..28.936.....882..............................&...107.....377...........*.611.......+.......&..737...........
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....$594...................*............156.....210....585...........234.821.........................403........837..........*....652.......
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...........................247.@881..7.....*....*.....................*.....*.......*........140.351..........................510....*......
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...........790*776...................*...270...778......707.110.....487..486...460.70........*.....#...585.702..430..141...........34.......
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...52.......................&216..788......................*...................*............199...........*....=......................989...
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....$..445...498.254.508*.............*860..711.48......./.............596....305.....618..........337.............198....287...............
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.........#....*....@.....352....*..645......*.............328......50.*..................=...-........*584..........*..........*275..986*527
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.............560..............815.........931......400............*...592......824.........807...591*................311.....82.............
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.........%.......678.926........................19...*......545..649...........*...............*.....393....=896............................
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......834...........*............................/....386.....*......=290...772.............545.969...................679.820......704......
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..........122...........202....693.................*..............................555*826..............458......691......*.........*........
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....#.......&..%692........+......#..333............41...............=204..................868............/.164..................316........
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...346..................+.......$...*......396..315....119..@755...............942..918........................*........631.651.............
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.................=....836......402.755............=.......*.......*....181.62...*.....%........................596......*............#591...
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10
data/Y23/day3/example.txt
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10
data/Y23/day3/example.txt
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...*......
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......#...
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617*......
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.....+.58.
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..592.....
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......755.
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...$.*....
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.664.598..
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159
src/Y23/Day3.php
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159
src/Y23/Day3.php
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<?php
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namespace trizz\AdventOfCode\Y23;
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use trizz\AdventOfCode\Solution;
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final class Day3 extends Solution
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{
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public static null|int|string $part1ExampleResult = 4361;
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public static null|int|string $part1Result = 539637;
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public static null|int|string $part2ExampleResult = 467835;
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public static null|int|string $part2Result = 82_818_007;
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/**
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* @var string[][]
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*/
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private array $matrix = [];
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#[\Override]
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public function part1(array $data): int
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{
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$this->createMatrix($data);
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$score = 0;
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foreach ($this->matrix as $row => $line) {
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foreach (array_keys($line) as $col) {
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$numbers = $this->checkLocation($row, $col);
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$top = (int) $this->processNumbers($numbers['top'], sum: true);
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$bottom = (int) $this->processNumbers($numbers['bottom'], sum: true);
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$score += $top + $bottom + max($numbers['left']) + max($numbers['right']);
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}
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}
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return $score;
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}
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#[\Override]
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public function part2(array $data): int
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{
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$this->createMatrix($data);
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$score = 0;
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foreach ($this->matrix as $row => $line) {
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foreach (array_keys($line) as $col) {
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if ($this->matrix[$row][$col] !== '*') {
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continue;
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}
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$numbers = $this->checkLocation($row, $col);
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$top = (array) $this->processNumbers($numbers['top']);
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$bottom = (array) $this->processNumbers($numbers['bottom']);
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$left = max($numbers['left']);
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$right = max($numbers['right']);
|
||||||
|
|
||||||
|
$filteredResults = array_filter(array_values(array_merge_recursive($top, $bottom, [$left, $right])));
|
||||||
|
|
||||||
|
if (count($filteredResults) !== 2) {
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
$score += array_product($filteredResults);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return (int) $score;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param int[] $numbers
|
||||||
|
*
|
||||||
|
* @return int|int[]
|
||||||
|
*/
|
||||||
|
private function processNumbers(array $numbers, bool $sum = false): array|int
|
||||||
|
{
|
||||||
|
$result = [];
|
||||||
|
if ($numbers[0] !== 0 && $numbers[1] === 0 && $numbers[2] !== 0) {
|
||||||
|
$result[] = $numbers[0];
|
||||||
|
$result[] = $numbers[2];
|
||||||
|
} else {
|
||||||
|
$result[] = max($numbers);
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($sum) {
|
||||||
|
return array_sum($result);
|
||||||
|
}
|
||||||
|
|
||||||
|
return $result;
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @param string[] $data
|
||||||
|
*/
|
||||||
|
private function createMatrix(array $data): void
|
||||||
|
{
|
||||||
|
$this->matrix = array_map(static fn ($line): array => str_split((string) $line), $data);
|
||||||
|
}
|
||||||
|
|
||||||
|
/**
|
||||||
|
* @return array<string, array<int,int>>
|
||||||
|
*/
|
||||||
|
private function checkLocation(int $row, int $col): array
|
||||||
|
{
|
||||||
|
$current = $this->matrix[$row][$col] ?? '.';
|
||||||
|
if ($current === '.' || ctype_digit($current)) {
|
||||||
|
return ['top' => [0, 0, 0], 'left' => [0], 'right' => [0], 'bottom' => [0, 0, 0]];
|
||||||
|
}
|
||||||
|
|
||||||
|
$numbers = array_fill_keys(['top', 'left', 'right', 'bottom'], []);
|
||||||
|
$positions = [
|
||||||
|
'top' => [[$row - 1, $col - 1], [$row - 1, $col], [$row - 1, $col + 1]],
|
||||||
|
'left' => [[$row, $col - 1]],
|
||||||
|
'right' => [[$row, $col + 1]],
|
||||||
|
'bottom' => [[$row + 1, $col - 1], [$row + 1, $col], [$row + 1, $col + 1]],
|
||||||
|
];
|
||||||
|
|
||||||
|
foreach ($positions as $direction => $coords) {
|
||||||
|
foreach ($coords as $coord) {
|
||||||
|
$numbers[$direction][] = (int) $this->getNumber(...$coord);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return $numbers;
|
||||||
|
}
|
||||||
|
|
||||||
|
private function getNumber(int $row, int $col, string $direction = null): ?string
|
||||||
|
{
|
||||||
|
$number = $this->matrix[$row][$col] ?? null;
|
||||||
|
|
||||||
|
if ($number === null || $number === '.' || !ctype_digit($number)) {
|
||||||
|
return null;
|
||||||
|
}
|
||||||
|
|
||||||
|
$toLeft = null;
|
||||||
|
$toRight = null;
|
||||||
|
|
||||||
|
if ($direction === null || $direction === 'left') {
|
||||||
|
$toLeft = $this->getNumber($row, $col - 1, 'left');
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($direction === null || $direction === 'right') {
|
||||||
|
$toRight = $this->getNumber($row, $col + 1, 'right');
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($toLeft !== null) {
|
||||||
|
$number = $toLeft.$number;
|
||||||
|
}
|
||||||
|
|
||||||
|
if ($toRight !== null) {
|
||||||
|
return $number.$toRight;
|
||||||
|
}
|
||||||
|
|
||||||
|
return $number;
|
||||||
|
}
|
||||||
|
}
|
||||||
Loading…
x
Reference in New Issue
Block a user