Merge pull request 'chore: add day 8' (#5) from day08 into main
Reviewed-on: xuu/advent-of-code-2023#5
This commit is contained in:
commit
8e7fa3c5a8
9
day08/example1.txt
Normal file
9
day08/example1.txt
Normal file
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@ -0,0 +1,9 @@
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RL
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AAA = (BBB, CCC)
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BBB = (DDD, EEE)
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CCC = (ZZZ, GGG)
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DDD = (DDD, DDD)
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EEE = (EEE, EEE)
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GGG = (GGG, GGG)
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ZZZ = (ZZZ, ZZZ)
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5
day08/example2.txt
Normal file
5
day08/example2.txt
Normal file
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@ -0,0 +1,5 @@
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LLR
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AAA = (BBB, BBB)
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BBB = (AAA, ZZZ)
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ZZZ = (ZZZ, ZZZ)
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10
day08/example3.txt
Normal file
10
day08/example3.txt
Normal file
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@ -0,0 +1,10 @@
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LR
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11A = (11B, XXX)
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11B = (XXX, 11Z)
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11Z = (11B, XXX)
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22A = (22B, XXX)
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22B = (22C, 22C)
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22C = (22Z, 22Z)
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22Z = (22B, 22B)
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XXX = (XXX, XXX)
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708
day08/input.txt
Normal file
708
day08/input.txt
Normal file
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@ -0,0 +1,708 @@
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LLLLRLRLRRLRRRLRRLRLRRLRLLRRRLRRLRRRLRLLLRLRRLRLLRRRLRRLRLRRLLRRRLRRRLRLRRLRRRLRRLRRLLRRRLLLLRRLRRLRRLRRRLLLRLRLRLRRLRRRLRLRRRLRLRRRLRRLRRLLRRLLRLRRRLRLRRRLLLRLRRRLRLRRRLRRLRLRRLRRRLRRRLRRLLLRRRLRRLRRLRRLRRRLLLRRLRLRRRLLLLRRRLRRLRRRLLRLRLRRLLRRRLLRLRLRLRRLRRLRRRLRRLLRLRRLRRLLLLRRLRLRRLLRRLLRRLRRLRRRLLLRRRR
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BRR = (LVC, FSJ)
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BHX = (GMG, QTN)
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TJD = (HQF, PBJ)
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JGN = (JXR, DGK)
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NMC = (VPC, CRF)
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DVJ = (KMM, DFJ)
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LML = (MTG, KNX)
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JKL = (LRX, FRD)
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FJR = (MHX, SBX)
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LMC = (QNB, QCK)
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LJF = (KCJ, HCT)
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KTL = (XTG, NGM)
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GJB = (KTQ, KTQ)
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BXR = (TDR, KMK)
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GKB = (VXT, NQR)
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PJL = (FPL, TFX)
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LNZ = (CJC, DQL)
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KCG = (KDL, LMF)
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PGG = (NDL, XXC)
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PMS = (XQM, DFG)
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CJF = (MCG, RTJ)
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JTH = (PGS, SGZ)
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QBS = (JSC, KMT)
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DQL = (KRR, PBL)
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HSF = (SNP, KJR)
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XVQ = (VQR, HSX)
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QKF = (PBT, XLC)
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DNA = (DQL, CJC)
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LNF = (RVC, TJD)
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MKT = (LDX, CGC)
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BXP = (RGX, TTR)
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SBX = (PGT, JGN)
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JQK = (HDQ, BHQ)
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MHL = (TLX, JDN)
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BBD = (QNJ, BRM)
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MTT = (BVK, DXB)
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FVR = (VLN, PRV)
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RVC = (HQF, PBJ)
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LDX = (LRS, KBV)
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BKF = (PXH, TNB)
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BRM = (XTV, NGH)
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DDL = (JNG, SFF)
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BBT = (BQJ, BCN)
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GPK = (CVK, DDL)
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TLX = (BDN, XNT)
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JHL = (BRX, QBT)
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NTL = (HSR, DJD)
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XBH = (PJX, JQK)
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PPF = (LCT, BJL)
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SFF = (FVR, NFG)
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HNA = (CTC, BSG)
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CNG = (DXM, QFN)
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GML = (NRD, TVN)
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RHH = (NBT, LJH)
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LDM = (DDN, TRN)
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XSK = (PLB, NVJ)
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NCQ = (MDN, XGT)
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FCQ = (HCT, KCJ)
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DRC = (JKL, JNM)
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SHR = (KLX, VLH)
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FTP = (DRN, DKV)
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QBF = (GVS, NXK)
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GXK = (XDK, LVF)
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KMK = (VXV, XCS)
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PKK = (QNJ, BRM)
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NJH = (TKL, PQK)
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BRX = (MNM, HVC)
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VTD = (BJK, LML)
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QVX = (DVJ, DSF)
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GRM = (JCV, SQB)
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RDQ = (HCG, XMB)
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RGX = (FCN, TPD)
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HBH = (FPR, DHX)
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PHM = (JSP, RCR)
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NBT = (FRG, CMJ)
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XRH = (HCB, FBM)
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GMR = (FDJ, NJD)
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MVG = (RDJ, QSD)
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BDL = (JSB, TFN)
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VXT = (MBM, JND)
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TXC = (QDG, LTV)
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SRL = (RRX, NDS)
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SGN = (MPL, CBB)
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HVH = (SLJ, CBC)
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VPC = (CCG, QSJ)
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KCJ = (CKC, TTD)
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RLT = (LLT, VVL)
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RXV = (KXQ, VBR)
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FQS = (STP, BHX)
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SGC = (RLJ, QGB)
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XLX = (HRG, DGV)
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XKV = (QQB, TNQ)
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SLJ = (GTB, MPF)
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PKV = (CQN, THS)
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RPP = (QFT, TNK)
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DKL = (MFC, MFC)
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BCG = (FXM, GPR)
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RFV = (DRC, MPD)
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VVC = (FGN, CVL)
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HQB = (QNT, VVC)
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RRP = (VVC, QNT)
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TRS = (RCM, GHN)
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QBT = (HVC, MNM)
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XKS = (SCC, VXX)
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TPS = (FMH, KFN)
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MTS = (VXT, NQR)
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FXM = (LDM, FQT)
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LNB = (XJV, SJN)
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HVF = (QXC, RBH)
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LSG = (QHM, TSM)
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JMP = (HBH, NQK)
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NGM = (KDP, HHP)
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HCG = (SLR, TSC)
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HGX = (DFG, XQM)
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DLG = (BVN, GMM)
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DJD = (VGP, VML)
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HBT = (XKL, JBQ)
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NVJ = (GKX, PKS)
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CPS = (PKJ, RSV)
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SKN = (NBT, LJH)
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CCK = (TTJ, SLV)
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DXM = (CBN, BXR)
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RJD = (XJH, SKH)
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RDJ = (CNF, TTG)
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PKJ = (BCM, XKC)
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FQL = (SRV, DFC)
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KDS = (MFB, CLQ)
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QKR = (VGD, CXK)
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XXC = (NFD, SPS)
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PSQ = (NJH, BLR)
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BLR = (PQK, TKL)
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LMX = (DGV, HRG)
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GCK = (CSR, CSR)
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GKJ = (JHL, PNN)
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GVS = (TLN, LJX)
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FPR = (JCH, GKD)
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VQV = (DGB, GGN)
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CPF = (VMH, JQQ)
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GKD = (SGF, PHM)
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JNM = (LRX, FRD)
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CXV = (LNF, HGF)
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TNK = (RRD, HKC)
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DXX = (LMC, ZZZ)
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DGG = (PPF, TRR)
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MLH = (TVL, PBR)
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LBC = (LJL, FTR)
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FVQ = (TBC, LKB)
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LTF = (CBC, SLJ)
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TVH = (XMS, GJS)
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SFB = (TTJ, SLV)
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LVF = (MBT, SJB)
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XPP = (QDM, PJL)
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BVK = (RPV, JMP)
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VGD = (MRX, FJR)
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FRD = (XBH, CDN)
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LKM = (CMF, XNS)
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TCJ = (MMS, PGG)
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DHQ = (MTT, BKS)
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HDQ = (GPH, XKH)
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KTJ = (QQT, MKR)
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NMQ = (VFK, VSD)
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RSK = (QDM, PJL)
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XQC = (KFP, HVB)
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LQN = (NGM, XTG)
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TKG = (XDQ, XDQ)
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KBB = (VQR, HSX)
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TQQ = (QDG, LTV)
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SQN = (TDQ, XKV)
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TSM = (TSH, MRP)
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KPH = (THS, CQN)
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HCB = (DVL, RTV)
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MLR = (GHT, NSN)
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BFM = (GCK, SLX)
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GXQ = (QKM, JJL)
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GNF = (HRQ, XTK)
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TRR = (BJL, LCT)
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AAA = (QNB, QCK)
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SDL = (KJX, LSN)
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DKV = (KBB, XVQ)
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RMR = (MQR, CPR)
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MQC = (CBV, SRP)
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PRV = (KDS, FBX)
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GTB = (CCK, SFB)
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SNP = (PXX, SHR)
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NTR = (VHT, KXK)
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MKJ = (DDL, CVK)
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LSQ = (HSF, RMN)
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TTJ = (CBH, QKF)
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DNH = (MVG, JCJ)
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KMM = (KPH, PKV)
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NTT = (RQK, PFK)
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QMF = (BFM, PJB)
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RJB = (RBH, QXC)
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LRS = (MJT, BVM)
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CJG = (RMR, BMN)
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DVQ = (GXM, DDH)
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MFC = (LMC, LMC)
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XTG = (HHP, KDP)
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HKB = (RDQ, TVT)
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PKS = (JQM, DGG)
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BJK = (KNX, MTG)
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TVT = (XMB, HCG)
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JNR = (JHG, JLN)
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VFK = (XKS, QBH)
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NPC = (PKK, BBD)
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PXX = (KLX, VLH)
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XLC = (NST, BXP)
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CBB = (LMX, XLX)
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KLX = (MSH, LCF)
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CLQ = (JNF, JNC)
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TSS = (MKR, QQT)
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SSS = (RMQ, RCS)
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QSD = (TTG, CNF)
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NHG = (DVQ, VNB)
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CTC = (VCN, RJD)
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THS = (QRH, GPT)
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KDR = (RTK, GKJ)
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NTD = (CGG, SPN)
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GHP = (NCQ, FCD)
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KXQ = (RLS, VRM)
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GNV = (BQJ, BCN)
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DXQ = (QHC, FXN)
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RQB = (FVQ, TNF)
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CNF = (TXC, TQQ)
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BGB = (QQS, LRV)
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ZZZ = (QCK, QNB)
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NFM = (MGV, VTD)
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MFD = (DBF, KSN)
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NST = (RGX, TTR)
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XJV = (LGL, LGL)
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TRQ = (TVH, KJL)
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PPV = (CJP, VHH)
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DNV = (DBM, VGJ)
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JBQ = (MHL, RFN)
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HRG = (JFD, VQP)
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RMB = (JKJ, JGJ)
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RGQ = (RSK, XPP)
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KHF = (TJG, KPX)
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HPZ = (BSG, CTC)
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LFJ = (TSN, NMB)
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MBT = (XRC, PJR)
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QFN = (CBN, BXR)
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QSJ = (BRS, BKF)
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XJH = (RSF, VNP)
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GST = (LVF, XDK)
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DDN = (NMS, RLT)
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CXK = (FJR, MRX)
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PHH = (FPB, TCJ)
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XHV = (KTJ, TSS)
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VHT = (NPC, DMG)
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RNL = (NHG, DVN)
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TKL = (KPN, FKX)
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DGB = (GPJ, QMF)
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PNN = (QBT, BRX)
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TBC = (NTR, FKG)
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PGS = (QDT, JQL)
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SLX = (CSR, LNB)
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BVV = (LVC, FSJ)
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JQL = (MLH, GSC)
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PXH = (CJF, CKM)
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LHM = (DSF, DVJ)
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NND = (NTD, DTB)
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MFB = (JNF, JNC)
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TTR = (FCN, TPD)
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HRQ = (JTD, JTD)
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SLR = (TXT, JSN)
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VQP = (XPK, XGB)
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QHM = (MRP, TSH)
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RTJ = (PXB, TLP)
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QQT = (RRL, QHQ)
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CSR = (XJV, XJV)
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CJP = (CJG, HQQ)
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RMC = (MPD, DRC)
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XMS = (LXX, GPN)
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HSR = (VGP, VML)
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MNM = (VSS, QXR)
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SJN = (LGL, LNZ)
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KBV = (MJT, BVM)
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KFN = (NRC, VSG)
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JNC = (RHR, LFJ)
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MPF = (SFB, CCK)
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QVK = (GNK, BCG)
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NJD = (KCG, LDB)
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DBM = (MJG, MFD)
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NKF = (GGN, DGB)
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BCN = (JNR, MHK)
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GNK = (FXM, GPR)
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KMT = (HFC, CPS)
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FDJ = (KCG, LDB)
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LVD = (PHH, QDR)
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FCN = (VDP, MQC)
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QQB = (GJB, GJB)
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PLF = (JNL, HBT)
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QDM = (FPL, TFX)
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GXM = (CLD, NNL)
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MRV = (BCG, GNK)
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LKB = (NTR, FKG)
|
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TTG = (TQQ, TXC)
|
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GFD = (VSD, VFK)
|
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RCS = (KQQ, DNH)
|
||||
QXR = (FCQ, LJF)
|
||||
HMQ = (RJQ, FQL)
|
||||
VCN = (SKH, XJH)
|
||||
QQG = (HSR, DJD)
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HGF = (RVC, TJD)
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||||
XMB = (TSC, SLR)
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PJB = (GCK, SLX)
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HFC = (RSV, PKJ)
|
||||
JJL = (GXK, GST)
|
||||
QTN = (JLV, SGX)
|
||||
KDP = (GNV, BBT)
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VRF = (TFN, JSB)
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||||
GPN = (CPF, SRQ)
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||||
TSC = (TXT, JSN)
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||||
CRF = (QSJ, CCG)
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||||
TNF = (TBC, LKB)
|
||||
VLH = (LCF, MSH)
|
||||
BCV = (JSC, KMT)
|
||||
NNL = (KVX, FQS)
|
||||
RVT = (HCB, FBM)
|
||||
QHC = (QKV, NCJ)
|
||||
VDP = (CBV, SRP)
|
||||
CBV = (VQV, NKF)
|
||||
CMF = (XHV, TPR)
|
||||
TRN = (RLT, NMS)
|
||||
JSB = (XTH, TRS)
|
||||
CFC = (TVT, RDQ)
|
||||
KDL = (TKG, TKG)
|
||||
TTD = (BBC, GHP)
|
||||
KJR = (PXX, SHR)
|
||||
MTV = (GVS, NXK)
|
||||
BVN = (KDR, PVP)
|
||||
DXB = (RPV, JMP)
|
||||
FSJ = (QPQ, GML)
|
||||
PBJ = (LQN, KTL)
|
||||
PXB = (BDL, VRF)
|
||||
NDS = (BGB, NGX)
|
||||
CBN = (KMK, TDR)
|
||||
NFG = (VLN, PRV)
|
||||
JTD = (PGS, PGS)
|
||||
MKR = (QHQ, RRL)
|
||||
JSN = (RFV, RMC)
|
||||
CVK = (SFF, JNG)
|
||||
FGN = (BVQ, XQC)
|
||||
HHF = (RPS, QQF)
|
||||
PLB = (PKS, GKX)
|
||||
BJB = (QMC, GPG)
|
||||
STP = (QTN, GMG)
|
||||
DGK = (RKK, BVT)
|
||||
JJM = (VGD, CXK)
|
||||
LTS = (QPN, BCL)
|
||||
LVC = (QPQ, GML)
|
||||
QNB = (GJN, RVB)
|
||||
RBH = (HMQ, HPS)
|
||||
NQK = (DHX, FPR)
|
||||
MRP = (BDT, SGN)
|
||||
JQM = (TRR, PPF)
|
||||
TSH = (BDT, SGN)
|
||||
JLN = (JCC, FCB)
|
||||
BRP = (LDX, CGC)
|
||||
SJC = (HRQ, HRQ)
|
||||
LJL = (BVB, PPV)
|
||||
SPN = (SDL, VHM)
|
||||
SDM = (DDF, LTS)
|
||||
LJH = (FRG, CMJ)
|
||||
CMG = (MKD, JGT)
|
||||
GPR = (LDM, FQT)
|
||||
QPQ = (NRD, TVN)
|
||||
JCJ = (RDJ, QSD)
|
||||
HSX = (CMG, SHF)
|
||||
VML = (RMB, MHC)
|
||||
DHX = (JCH, GKD)
|
||||
MTG = (FPX, SPD)
|
||||
BDT = (MPL, CBB)
|
||||
CJC = (PBL, KRR)
|
||||
JLS = (LJL, FTR)
|
||||
HQF = (LQN, KTL)
|
||||
HQQ = (RMR, BMN)
|
||||
QMC = (RBP, PXD)
|
||||
RPV = (HBH, NQK)
|
||||
JHG = (JCC, FCB)
|
||||
TPD = (VDP, MQC)
|
||||
BHQ = (XKH, GPH)
|
||||
XKC = (HDD, GXR)
|
||||
RPS = (KJP, KJP)
|
||||
QNT = (CVL, FGN)
|
||||
JSC = (HFC, CPS)
|
||||
KXG = (DTB, NTD)
|
||||
CKM = (RTJ, MCG)
|
||||
FTD = (KPX, TJG)
|
||||
VSD = (XKS, QBH)
|
||||
MCG = (TLP, PXB)
|
||||
XKH = (HLP, CXV)
|
||||
TNB = (CJF, CKM)
|
||||
XTH = (RCM, GHN)
|
||||
DFN = (GMR, DSS)
|
||||
LMF = (TKG, XST)
|
||||
FMH = (NRC, VSG)
|
||||
XCS = (JTS, GRM)
|
||||
GVF = (NDS, RRX)
|
||||
CXM = (HGX, PMS)
|
||||
VRM = (XJT, DXQ)
|
||||
JLV = (QVX, LHM)
|
||||
JCH = (PHM, SGF)
|
||||
NMS = (VVL, LLT)
|
||||
BHS = (XJR, LKM)
|
||||
CKC = (BBC, GHP)
|
||||
CBH = (XLC, PBT)
|
||||
PRL = (QFT, TNK)
|
||||
SDF = (VTD, MGV)
|
||||
RVB = (MLR, XHT)
|
||||
GPT = (PLF, MJX)
|
||||
KRR = (RVT, XRH)
|
||||
GXR = (BVV, BRR)
|
||||
NSN = (RGQ, JMQ)
|
||||
KJX = (TCR, MSL)
|
||||
PHL = (TSM, QHM)
|
||||
MQR = (MTS, GKB)
|
||||
XDK = (SJB, MBT)
|
||||
NRC = (DGN, BJB)
|
||||
JQQ = (LBC, JLS)
|
||||
JTS = (JCV, SQB)
|
||||
RLJ = (JJM, QKR)
|
||||
DTB = (CGG, SPN)
|
||||
BRS = (PXH, TNB)
|
||||
SRV = (SPC, DNV)
|
||||
MNP = (JJL, QKM)
|
||||
KTQ = (XSK, XSK)
|
||||
FPX = (SJC, GNF)
|
||||
VBR = (VRM, RLS)
|
||||
KSN = (HQB, RRP)
|
||||
RJQ = (SRV, DFC)
|
||||
BKS = (BVK, DXB)
|
||||
BVB = (VHH, CJP)
|
||||
XTK = (JTD, JTH)
|
||||
PBT = (BXP, NST)
|
||||
PVP = (RTK, GKJ)
|
||||
QPN = (BCV, QBS)
|
||||
QQF = (KJP, HPZ)
|
||||
QRH = (PLF, MJX)
|
||||
GHS = (BKN, TPS)
|
||||
RCM = (MNP, GXQ)
|
||||
DCT = (DDF, LTS)
|
||||
JLC = (HGX, PMS)
|
||||
VNC = (XSK, CXZ)
|
||||
BQJ = (MHK, JNR)
|
||||
SHF = (JGT, MKD)
|
||||
FXN = (QKV, NCJ)
|
||||
FPB = (PGG, MMS)
|
||||
JGJ = (KXG, NND)
|
||||
VBM = (PSQ, QKN)
|
||||
GKX = (DGG, JQM)
|
||||
DSF = (KMM, DFJ)
|
||||
CMJ = (GPK, MKJ)
|
||||
NCJ = (SDM, DCT)
|
||||
MKD = (GQG, DHQ)
|
||||
CFZ = (RQB, SHH)
|
||||
RQK = (DKL, DKL)
|
||||
XGT = (HPQ, VRQ)
|
||||
SRP = (NKF, VQV)
|
||||
BSG = (VCN, RJD)
|
||||
XRC = (NFM, SDF)
|
||||
DVL = (SRL, GVF)
|
||||
HVB = (HXS, MLD)
|
||||
MPD = (JNM, JKL)
|
||||
JSP = (PHL, LSG)
|
||||
BCR = (XJR, LKM)
|
||||
PQK = (KPN, FKX)
|
||||
FCD = (XGT, MDN)
|
||||
MDL = (JLC, CXM)
|
||||
FBX = (CLQ, MFB)
|
||||
VNP = (RGM, GHS)
|
||||
HMK = (RMN, HSF)
|
||||
SJB = (PJR, XRC)
|
||||
JFD = (XPK, XGB)
|
||||
HHP = (GNV, BBT)
|
||||
TVN = (VBM, KJN)
|
||||
DMG = (PKK, BBD)
|
||||
RGM = (BKN, TPS)
|
||||
TRF = (KXQ, VBR)
|
||||
XHT = (NSN, GHT)
|
||||
DFJ = (KPH, PKV)
|
||||
KJP = (CTC, BSG)
|
||||
LLT = (NTS, LVD)
|
||||
RMN = (SNP, KJR)
|
||||
GSC = (TVL, PBR)
|
||||
RSV = (XKC, BCM)
|
||||
TLP = (VRF, BDL)
|
||||
GGN = (GPJ, QMF)
|
||||
XJR = (CMF, XNS)
|
||||
GQG = (BKS, MTT)
|
||||
JPN = (MRV, QVK)
|
||||
RSF = (RGM, GHS)
|
||||
QQS = (DLG, JPV)
|
||||
DGV = (VQP, JFD)
|
||||
JDN = (XNT, BDN)
|
||||
LMA = (QDT, JQL)
|
||||
QDG = (QGC, DTX)
|
||||
HDD = (BVV, BRR)
|
||||
RRD = (CNG, XLJ)
|
||||
QBH = (VXX, SCC)
|
||||
GPH = (HLP, CXV)
|
||||
CVN = (MRV, QVK)
|
||||
RLS = (XJT, DXQ)
|
||||
QKN = (NJH, BLR)
|
||||
NRD = (VBM, KJN)
|
||||
NMB = (HVF, RJB)
|
||||
XNT = (RXV, TRF)
|
||||
XNS = (XHV, TPR)
|
||||
SGX = (LHM, QVX)
|
||||
NTS = (PHH, QDR)
|
||||
SPS = (LTF, HVH)
|
||||
KPX = (BCR, BHS)
|
||||
GNM = (RPS, RPS)
|
||||
CXZ = (NVJ, PLB)
|
||||
VVL = (LVD, NTS)
|
||||
VTC = (NHG, DVN)
|
||||
PXD = (BHH, SSS)
|
||||
TVL = (MKT, BRP)
|
||||
TPR = (KTJ, TSS)
|
||||
MJX = (JNL, HBT)
|
||||
BKN = (FMH, KFN)
|
||||
MBM = (BVC, FTP)
|
||||
RTV = (GVF, SRL)
|
||||
GPG = (PXD, RBP)
|
||||
KXK = (DMG, NPC)
|
||||
JPV = (GMM, BVN)
|
||||
LXP = (VPC, CRF)
|
||||
RMQ = (DNH, KQQ)
|
||||
DRN = (KBB, XVQ)
|
||||
MMS = (XXC, NDL)
|
||||
GMG = (SGX, JLV)
|
||||
MJT = (KHF, FTD)
|
||||
XJT = (QHC, FXN)
|
||||
JMQ = (XPP, RSK)
|
||||
QCS = (TVH, KJL)
|
||||
BVC = (DRN, DKV)
|
||||
SPC = (DBM, VGJ)
|
||||
SHH = (TNF, FVQ)
|
||||
VGA = (PLB, NVJ)
|
||||
RKK = (JPN, CVN)
|
||||
SCC = (TRQ, QCS)
|
||||
CDN = (JQK, PJX)
|
||||
VSS = (LJF, FCQ)
|
||||
JNF = (LFJ, RHR)
|
||||
VGP = (MHC, RMB)
|
||||
VGJ = (MJG, MFD)
|
||||
QGC = (RHH, SKN)
|
||||
RKJ = (KTQ, VNC)
|
||||
DTX = (SKN, RHH)
|
||||
HPQ = (VDR, SGC)
|
||||
CCG = (BRS, BKF)
|
||||
VLN = (FBX, KDS)
|
||||
BHH = (RMQ, RCS)
|
||||
BBC = (FCD, NCQ)
|
||||
JCV = (GNM, GNM)
|
||||
TNQ = (GJB, RKJ)
|
||||
QNJ = (NGH, XTV)
|
||||
GHT = (RGQ, JMQ)
|
||||
LJX = (CFC, HKB)
|
||||
TLN = (HKB, CFC)
|
||||
PFK = (DKL, LFL)
|
||||
PJR = (SDF, NFM)
|
||||
JNG = (NFG, FVR)
|
||||
PJX = (BHQ, HDQ)
|
||||
VHH = (CJG, HQQ)
|
||||
RTK = (PNN, JHL)
|
||||
XGB = (MLN, SQN)
|
||||
JCC = (NQX, NTT)
|
||||
BVT = (CVN, JPN)
|
||||
HPS = (RJQ, FQL)
|
||||
TCR = (DFN, RHS)
|
||||
LLA = (SHH, RQB)
|
||||
NGX = (QQS, LRV)
|
||||
SLV = (CBH, QKF)
|
||||
BMN = (CPR, MQR)
|
||||
XKL = (RFN, MHL)
|
||||
CGG = (VHM, SDL)
|
||||
KJN = (PSQ, QKN)
|
||||
LDB = (KDL, LMF)
|
||||
SPD = (SJC, GNF)
|
||||
VDR = (RLJ, QGB)
|
||||
DDF = (QPN, BCL)
|
||||
KQQ = (MVG, JCJ)
|
||||
DSS = (FDJ, NJD)
|
||||
NFD = (HVH, LTF)
|
||||
GPJ = (BFM, PJB)
|
||||
LGL = (DQL, CJC)
|
||||
TDQ = (QQB, TNQ)
|
||||
RCR = (PHL, LSG)
|
||||
SKH = (VNP, RSF)
|
||||
DGN = (QMC, GPG)
|
||||
NGH = (RNL, VTC)
|
||||
TSN = (HVF, RJB)
|
||||
MGV = (LML, BJK)
|
||||
QHQ = (LXP, NMC)
|
||||
KJL = (GJS, XMS)
|
||||
RBP = (BHH, SSS)
|
||||
QDR = (FPB, TCJ)
|
||||
RHR = (NMB, TSN)
|
||||
NXK = (LJX, TLN)
|
||||
FCB = (NQX, NTT)
|
||||
TFN = (TRS, XTH)
|
||||
MJG = (KSN, DBF)
|
||||
BVQ = (KFP, HVB)
|
||||
GMM = (PVP, KDR)
|
||||
MDN = (VRQ, HPQ)
|
||||
LTV = (DTX, QGC)
|
||||
LRV = (DLG, JPV)
|
||||
MHC = (JKJ, JGJ)
|
||||
DFC = (DNV, SPC)
|
||||
LXV = (SHH, RQB)
|
||||
PBL = (RVT, XRH)
|
||||
BDN = (RXV, TRF)
|
||||
JKJ = (KXG, NND)
|
||||
MSH = (MTV, QBF)
|
||||
NDL = (SPS, NFD)
|
||||
FKG = (VHT, KXK)
|
||||
PBR = (MKT, BRP)
|
||||
VSG = (BJB, DGN)
|
||||
RRX = (BGB, NGX)
|
||||
NQR = (JND, MBM)
|
||||
MRX = (MHX, SBX)
|
||||
DVN = (DVQ, VNB)
|
||||
HKC = (CNG, XLJ)
|
||||
PGT = (JXR, DGK)
|
||||
DBF = (HQB, RRP)
|
||||
FRG = (GPK, MKJ)
|
||||
DFG = (NMQ, GFD)
|
||||
QDT = (MLH, GSC)
|
||||
KVX = (STP, BHX)
|
||||
LCT = (MDL, KCL)
|
||||
LSN = (TCR, MSL)
|
||||
TXT = (RMC, RFV)
|
||||
MXM = (LXV, CFZ)
|
||||
TJG = (BHS, BCR)
|
||||
BCM = (GXR, HDD)
|
||||
FKX = (NTL, QQG)
|
||||
SRQ = (JQQ, VMH)
|
||||
BCL = (BCV, QBS)
|
||||
LRX = (CDN, XBH)
|
||||
RHS = (DSS, GMR)
|
||||
CLD = (FQS, KVX)
|
||||
XLJ = (DXM, QFN)
|
||||
KCL = (CXM, JLC)
|
||||
HXS = (PRL, RPP)
|
||||
JND = (BVC, FTP)
|
||||
VQR = (SHF, CMG)
|
||||
VNB = (DDH, GXM)
|
||||
QGB = (JJM, QKR)
|
||||
CVL = (BVQ, XQC)
|
||||
RFN = (JDN, TLX)
|
||||
FBM = (DVL, RTV)
|
||||
TFX = (LSQ, HMK)
|
||||
XQM = (NMQ, GFD)
|
||||
BJL = (KCL, MDL)
|
||||
FTR = (PPV, BVB)
|
||||
KNX = (FPX, SPD)
|
||||
MHK = (JHG, JLN)
|
||||
TDR = (XCS, VXV)
|
||||
HVC = (VSS, QXR)
|
||||
QXC = (HPS, HMQ)
|
||||
RRL = (NMC, LXP)
|
||||
MLD = (PRL, RPP)
|
||||
LCF = (MTV, QBF)
|
||||
VXV = (JTS, GRM)
|
||||
XTV = (RNL, VTC)
|
||||
LFL = (MFC, DXX)
|
||||
CBC = (GTB, MPF)
|
||||
CQN = (GPT, QRH)
|
||||
DDH = (NNL, CLD)
|
||||
GHN = (GXQ, MNP)
|
||||
JGT = (DHQ, GQG)
|
||||
HCT = (CKC, TTD)
|
||||
QCK = (GJN, RVB)
|
||||
SGF = (JSP, RCR)
|
||||
MPL = (XLX, LMX)
|
||||
XDQ = (LXV, LXV)
|
||||
MLN = (TDQ, XKV)
|
||||
SGZ = (JQL, QDT)
|
||||
VRQ = (SGC, VDR)
|
||||
FPL = (LSQ, HMK)
|
||||
SQB = (GNM, HHF)
|
||||
MHX = (PGT, JGN)
|
||||
QFT = (HKC, RRD)
|
||||
LXX = (CPF, SRQ)
|
||||
CPR = (GKB, MTS)
|
||||
HLP = (LNF, HGF)
|
||||
GJS = (GPN, LXX)
|
||||
QKV = (DCT, SDM)
|
||||
XST = (XDQ, MXM)
|
||||
VXX = (QCS, TRQ)
|
||||
KFP = (HXS, MLD)
|
||||
MSL = (RHS, DFN)
|
||||
NQX = (RQK, PFK)
|
||||
CGC = (LRS, KBV)
|
||||
FQT = (TRN, DDN)
|
||||
VMH = (LBC, JLS)
|
||||
VHM = (LSN, KJX)
|
||||
JXR = (BVT, RKK)
|
||||
KPN = (QQG, NTL)
|
||||
QKM = (GST, GXK)
|
||||
JNL = (XKL, JBQ)
|
||||
BVM = (KHF, FTD)
|
||||
XPK = (SQN, MLN)
|
||||
GJN = (MLR, XHT)
|
||||
249
day08/main.go
Normal file
249
day08/main.go
Normal file
|
|
@ -0,0 +1,249 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"fmt"
|
||||
"os"
|
||||
"strings"
|
||||
)
|
||||
|
||||
func main() {
|
||||
if len(os.Args) != 2 {
|
||||
fmt.Fprintln(os.Stderr, "Usage: day08 FILE")
|
||||
}
|
||||
|
||||
input, err := os.Open(os.Args[1])
|
||||
if err != nil {
|
||||
fmt.Fprintln(os.Stderr, err)
|
||||
}
|
||||
|
||||
scan := bufio.NewScanner(input)
|
||||
|
||||
result, err := run(scan)
|
||||
if err != nil {
|
||||
fmt.Println("ERR", err)
|
||||
os.Exit(1)
|
||||
}
|
||||
|
||||
fmt.Println("result", result)
|
||||
}
|
||||
|
||||
type result struct {
|
||||
stepsPT1 int
|
||||
stepsPT2 uint64
|
||||
}
|
||||
|
||||
func run(scan *bufio.Scanner) (*result, error) {
|
||||
var path []rune
|
||||
m := make(nodeMap)
|
||||
|
||||
for scan.Scan() {
|
||||
text := scan.Text()
|
||||
if len(text) == 0 {
|
||||
continue
|
||||
}
|
||||
|
||||
if len(path) == 0 {
|
||||
fmt.Println("path", text)
|
||||
path = []rune(strings.TrimSpace(text))
|
||||
continue
|
||||
}
|
||||
|
||||
n := &node{}
|
||||
i, err := fmt.Sscanf(text, "%s = (%s %s", &n.value, &n.lvalue, &n.rvalue)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
n.lvalue = strings.TrimRight(n.lvalue, ",)")
|
||||
n.rvalue = strings.TrimRight(n.rvalue, ",)")
|
||||
m[n.value] = n
|
||||
|
||||
fmt.Println("value", i, n.value, n.lvalue, n.rvalue)
|
||||
}
|
||||
if err := m.mapNodes(); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
steps1 := SolutionPT1(m, path)
|
||||
steps2 := SolutionPT2(m, path)
|
||||
|
||||
return &result{steps1, steps2}, nil
|
||||
}
|
||||
|
||||
type node struct {
|
||||
value string
|
||||
lvalue, rvalue string
|
||||
left, right *node
|
||||
}
|
||||
|
||||
type nodeMap map[string]*node
|
||||
|
||||
func (m nodeMap) mapNodes() error {
|
||||
for k, v := range m {
|
||||
if ptr, ok := m[v.lvalue]; ok {
|
||||
v.left = ptr
|
||||
} else {
|
||||
return fmt.Errorf("%s L-> %s not found", k, v.lvalue)
|
||||
}
|
||||
if ptr, ok := m[v.rvalue]; ok {
|
||||
v.right = ptr
|
||||
} else {
|
||||
return fmt.Errorf("%s R-> %s not found", k, v.rvalue)
|
||||
}
|
||||
|
||||
m[k] = v
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func SolutionPT1(m nodeMap, path []rune) int {
|
||||
fmt.Println("---- PART 1 BEGIN ----")
|
||||
position, ok := m["AAA"]
|
||||
if !ok {
|
||||
return 0
|
||||
}
|
||||
var i int
|
||||
var steps int
|
||||
|
||||
for steps < 100000 {
|
||||
steps++
|
||||
if path[i] == 'R' {
|
||||
fmt.Println("step", steps, position.value, "R->", position.rvalue)
|
||||
position = position.right
|
||||
} else {
|
||||
fmt.Println("step", steps, position.value, "L->", position.lvalue)
|
||||
position = position.left
|
||||
}
|
||||
|
||||
if position.value == "ZZZ" {
|
||||
break
|
||||
}
|
||||
|
||||
i++
|
||||
if i > len(path)-1 {
|
||||
i = 0
|
||||
}
|
||||
}
|
||||
fmt.Println("---- PART 1 END ----")
|
||||
return steps
|
||||
}
|
||||
|
||||
func SolutionPT2(m nodeMap, path []rune) uint64 {
|
||||
fmt.Println("---- PART 2 BEGIN ----")
|
||||
|
||||
type loop struct {
|
||||
start, position, end *node
|
||||
steps uint64
|
||||
}
|
||||
loops := make(map[*node]loop)
|
||||
|
||||
endpoints := make(map[*node]struct{})
|
||||
for k, n := range m {
|
||||
if strings.HasSuffix(k, "A") {
|
||||
fmt.Println("start", k)
|
||||
loops[n] = loop{start: n, position: n}
|
||||
}
|
||||
|
||||
if strings.HasSuffix(k, "Z") {
|
||||
fmt.Println("stop", k)
|
||||
endpoints[n] = struct{}{}
|
||||
}
|
||||
}
|
||||
|
||||
var i int
|
||||
var steps uint64
|
||||
var stops int
|
||||
maxUint := ^uint64(0)
|
||||
loopsFound := 0
|
||||
|
||||
for steps < maxUint {
|
||||
steps++
|
||||
if path[i] == 'R' {
|
||||
for k, loop := range loops {
|
||||
// fmt.Println("step", steps, position.value, "R->", position.rvalue)
|
||||
loop.position = loop.position.right
|
||||
loops[k] = loop
|
||||
}
|
||||
} else {
|
||||
for k, loop := range loops {
|
||||
// fmt.Println("step", steps, position.value, "L->", position.lvalue)
|
||||
loop.position = loop.position.left
|
||||
loops[k] = loop
|
||||
}
|
||||
}
|
||||
|
||||
done := true
|
||||
s := 0
|
||||
for k, loop := range loops {
|
||||
if _, ok := endpoints[loop.position]; !ok {
|
||||
// fmt.Println("no stop", i, position.value)
|
||||
done = false
|
||||
// break
|
||||
} else {
|
||||
// fmt.Println("stop", i, position.value)
|
||||
if loop.end == nil {
|
||||
loop.end = loop.position
|
||||
loop.steps = steps
|
||||
fmt.Println("loop found", loop.position.value, "steps", steps)
|
||||
loops[k] = loop
|
||||
loopsFound++
|
||||
}
|
||||
s++
|
||||
}
|
||||
}
|
||||
|
||||
if loopsFound == len(loops) {
|
||||
var values []uint64
|
||||
for _, loop := range loops {
|
||||
values = append(values, loop.steps)
|
||||
}
|
||||
return LCM(values...)
|
||||
}
|
||||
|
||||
if s > stops {
|
||||
stops = s
|
||||
fmt.Println("stops", stops, "steps", steps)
|
||||
}
|
||||
|
||||
if done {
|
||||
break
|
||||
}
|
||||
|
||||
i++
|
||||
if i > len(path)-1 {
|
||||
i = 0
|
||||
}
|
||||
}
|
||||
|
||||
fmt.Println("---- PART 2 END ----")
|
||||
return steps
|
||||
}
|
||||
|
||||
// greatest common divisor (GCD) via Euclidean algorithm
|
||||
func GCD(a, b uint64) uint64 {
|
||||
for b != 0 {
|
||||
t := b
|
||||
b = a % b
|
||||
a = t
|
||||
}
|
||||
return a
|
||||
}
|
||||
|
||||
// find Least Common Multiple (LCM) via GCD
|
||||
func LCM(integers ...uint64) uint64 {
|
||||
if len(integers) == 0 {
|
||||
return 0
|
||||
}
|
||||
if len(integers) == 1 {
|
||||
return integers[0]
|
||||
}
|
||||
|
||||
a, b := integers[0], integers[1]
|
||||
result := a * b / GCD(a, b)
|
||||
|
||||
for _, c := range integers[2:] {
|
||||
result = LCM(result, c)
|
||||
}
|
||||
|
||||
return result
|
||||
}
|
||||
72
day08/main_test.go
Normal file
72
day08/main_test.go
Normal file
|
|
@ -0,0 +1,72 @@
|
|||
package main
|
||||
|
||||
import (
|
||||
"bufio"
|
||||
"bytes"
|
||||
"testing"
|
||||
|
||||
_ "embed"
|
||||
|
||||
"github.com/matryer/is"
|
||||
)
|
||||
|
||||
//go:embed example1.txt
|
||||
var example1 []byte
|
||||
|
||||
//go:embed example2.txt
|
||||
var example2 []byte
|
||||
|
||||
//go:embed example3.txt
|
||||
var example3 []byte
|
||||
|
||||
//go:embed input.txt
|
||||
var input []byte
|
||||
|
||||
func TestExample1(t *testing.T) {
|
||||
is := is.New(t)
|
||||
scan := bufio.NewScanner(bytes.NewReader(example1))
|
||||
|
||||
result, err := run(scan)
|
||||
is.NoErr(err)
|
||||
|
||||
t.Log(result.stepsPT1)
|
||||
is.Equal(result.stepsPT1, 2)
|
||||
}
|
||||
|
||||
func TestExample2(t *testing.T) {
|
||||
is := is.New(t)
|
||||
scan := bufio.NewScanner(bytes.NewReader(example2))
|
||||
|
||||
result, err := run(scan)
|
||||
is.NoErr(err)
|
||||
|
||||
t.Log(result.stepsPT1)
|
||||
is.Equal(result.stepsPT1, 6)
|
||||
}
|
||||
|
||||
func TestExample3(t *testing.T) {
|
||||
is := is.New(t)
|
||||
scan := bufio.NewScanner(bytes.NewReader(example3))
|
||||
|
||||
result, err := run(scan)
|
||||
is.NoErr(err)
|
||||
|
||||
t.Log(result.stepsPT2)
|
||||
is.Equal(result.stepsPT2, uint64(6))
|
||||
}
|
||||
|
||||
func TestInput(t *testing.T) {
|
||||
is := is.New(t)
|
||||
scan := bufio.NewScanner(bytes.NewReader(input))
|
||||
|
||||
result, err := run(scan)
|
||||
is.NoErr(err)
|
||||
|
||||
t.Log("part1 solution", result.stepsPT1)
|
||||
is.Equal(result.stepsPT1, 14429)
|
||||
t.Log("part2 solution", result.stepsPT2)
|
||||
is.Equal(result.stepsPT2, uint64(10921547990923))
|
||||
}
|
||||
|
||||
// first: 14429
|
||||
// second: 10921547990923
|
||||
Loading…
Reference in New Issue
Block a user