Add solution for day 3

main
Jasper Bok 2022-12-03 12:28:59 +01:00
parent 1469d05b2f
commit 2376bcb016
4 changed files with 468 additions and 0 deletions

300
day3/input.txt 100644
View File

@ -0,0 +1,300 @@
gfWpjRRQffQGCHHJsGqjsj
SclzJZZvmmnPbJtVSqqNBqVCBdSCsd
tlbvZJDZtmtPcJmlPnhMFQWWpMRFTfLDRRTWRp
HjMPgSWjVrjgbHRRSSMRgjRdpdbGdlcdCvQfcCdlwQJfdf
LNDnhtNtLNFFZDtFnhzvdldDflvvDCdlJfldpJ
ZFLFZZmFtFtTNTSPRrVPWWMpRP
qLBSBLRwmgzqCbzCffDlrfCV
TFFFHNWFMFFMpHpGHMTHGNhrldWZCsdZsslZlZfrflDVss
PTMcPGntTThHhTGctnMvSwjjvmmqLBmnjqqgCR
nClJtMwwntqVVPJcgZqq
mjpsDcrcSSFFPZqFBWWgVP
vQcjsvhrvvrmhbmNHMNnlHbNMtCtNM
bgvvhnTQtjrrrhsDDf
pLSMltLzLLSjFrSSjrSJHD
zNWRLBdZPllPQtCvttgCqb
DRlDrrFTNDNlgzsGTBfcnqhhcnJfcrCSqc
MMmmdWtdLmvtldHjMmQfPBqSJWnfCCCqcWSSPJ
vjHMjLmjpLtHptQLmHvwTRgNVVpTzZFZgZRlsVTN
rzpMpDCGFCFFjRFsRPFRNFPv
fWclbHCHtSmfvjnmfsvZ
wTcTlSwwtQtWclBQBLGMLMCLVzVLwJGqLd
MQSjLNjPPLLSBPjfQhSPHjDVCjDtVVpDHwbwVpbD
RcmWzsRrzZrmTszWRqWlmRJscbtHwCbndCtcDVddDpdnVnbt
JTsrGGTqmwTlWmTzJzWmhhPLLGgPFgBffSSPhFFM
qMMRNZMDDNWLPqfzCgDcGncVDCgG
wwBFhwhhBgmcVzhghG
tbJbjjtJvwtdtwjpFtlbvtdTLNSMqNqMMgqNHPlZRTNggL
qmjMHsZmZSbjbZMjSLFFFFwgsgvFswpwww
hRJBhmnhhvFFwhcv
llfWDWzrzBNTRfNBrWzzTmZbGTMjPqMmZPjVbSZGSP
CRRPLwwcclcGVppQ
SHFjDjjHDTfSDNTTHfSHjQVGrpmllQQWltVVVZGp
HFlqzDTfqlzwbgPJLwCP
WRCNLphpLppSCWVHNfLRzVnQMnBnMddPMQDFQgrhPQFM
jTjJqvqjvPVJFJFBJF
qTsZbvGqqZlstsmZVljtwqwSHHNWczHSSRcWNSRHzzNfbW
glgzDzHjSrVHcVgbrjmNsscNGmNWssGNNtst
hHPQLHJpwdLpdHfQQtnZmNMwnZGZWwsFZM
QpdhPJRTJfPphJfhCBlVqVvgvVDBbvVqDbHD
VtHzjZpjVtHrprgGmjHsGHNdSJFQRcLJqCdQcSqJNpcq
bBWfTPwhbfDlMnhffRwQJQNdqJcLFQLSdR
bhBhvfMWTnlDnTBfPSmvmjsjmmGtzHtsHm
pcRPRPWrSDcJGZSStmwZZS
VnLfCfTlfVzfnMMBCqVNZJdtjNtJjhJdGNNbwT
BLvqCCMVsnRQsPQgDcZH
cQbqqQhDGhlQfQlhQrqGsTNgLgCpRgLTPPPLNbpg
wtHVddVFwSHznZwwznCpRBdjppNBNTTdCjRR
ZtWFwWtSmvVnwZDrCMGfQlDDJQmD
PzPZGCZzrZrlhdjdCqfCsqQdRD
cbvZLVVFvbbNSNFHSDnsDQdnfqNQDRngsR
FJHSLSFSScJJbWHFmFVFSZmrrzBmhtBwmzBMPMPzPh
nlpFcLBgcVcLbssGVBGGrlpGPhJJJJJqPBZPDNMQMJJhJQZZ
SSTjHzfHwtZSPVQVQMRQ
TzVHwWfTtzwdVzsbFnGgsbdcGrLc
FppVBRVZDdLmrDGmmfrQ
NtNMPNshJCzznLGJSrqRrRrr
tRssthhPlCWhPzsWtzhzCbVVjwTpVwdZZTpwjbdBbwBc
TTWblHWScvPCCHTWFzSrqqsNNSmdmqrrpz
RLRwjjnjZNprzmmZcq
QQgtQnccQDGjgLDRRcLthQhFBvCbMtMHTWlBFllBbFCMTW
WnBVNvDnVsNvZWdrWDLVDMbsHpTjpHCSSClsbSCCMH
GPFtmztzgPhRFtJTdbTwjppSCjpgSl
hJcfPtQhdtWNVZqNnqNQ
GLcqZPPsnqQcFsmBBrqRvrddNqrC
MtHthJwLllwvjRvvtrvBRS
VHMfDLbpfznszZQG
WBSdPlQPRfBtGQPfBGPBJgzgjwsJzsszJwCrdwCT
ZpppVpMVpnVHMVVbZRJrCgwRzTJrwNJw
MvhmnpLqLmhVmBlftRQBFSlR
hhQlSJqhtCSnqZJnqShSlNDwRzpvdwRlMBMMdcjRjMpMRc
frrGmLmWbfFrsmFHmBzBvBcwdJbvpjzbMM
mmgFrVGLWJLFGsgfhSVtVPqntqnnSStN
SFJTJTSqswwFQbwf
cDtcWPclrtPwVsfssQmN
HDtwWCgWdggdzSGJMSzGMq
JpqJtWRJMhCMJpMQCWtFrjgHdgdlgllwNjlQjldH
fBzPZcZvnBmDnZvZBZDmPvglVVVdgHHSwrNRgVgwNPRH
GbZnZccfvcsZmccsmnnZTRbCCMWFTWJqFCCMJFRT
vrrFqrFTBTmLmNrLMqMTHddJbHpWnhdWdWbHhJGM
wBzfwzcQSzWSSshpdWGp
gwjPPPDQtzQlzQDPqTgLBRmRqZBvqFNR
bWVptFFsbPcZsGLhsZGmLB
qnWrnrHdMCDCNqfWmvRRZSSRLdRGZGRG
nNqqNDfMrMWHDQNHzWfHNDnwzblpzFlbwtFbVVlwVcPJpP
BHJhlHdJQggvddglJBBhglhQzZHPZpFFPDMzFDDRDFZZDFZD
rSTfqnCffMfCVfCLNqbzbjWNDbbWDPFpPFbP
nfnnrSfCTVSwrqSLCGfTGlgQhlvsGMJQJBhhssJhGc
tBjjDjjqfDjLfJlrLgglvmrlmrcc
TwNNTVhwwpgvGSNNSssS
TbwhnvvChhbVRTPPRJBJQQfJttMQQJCQfW
mWSvSQVgmWQsQvspQJlrlLnJLLpCClhhlp
bFHRjZdNjjBZzFzhtnCllCcJLrCBll
HFFNHbdZZLZjfPFjHVQmWDDVsvsmTqVqDf
JJPllQQClqgBCgdHwHbpjVTwHd
tmGZtjGjHZpVbfMT
ShGjNGWmDSNcNRtGmshDRzzCvzQJJRBLrvlrBPJv
cTpqsTWqVVpsNLfvCDFlMFDVFL
JnndJPddQgzHlvMJFDhLCG
BjtntgdRnQgzjdBRQBlpNWrTTlNTSwNpWS
qHmqLVLjmVqsDBLtmjmbtPwCTwwPzGWRgGwGwMwW
ZhcCNCSprRTWTwSnWW
hflhZvvQhppZfcNpvrhpQHjVjLmbVmmVHVCFDvqVFb
nnNrwDnZrspwDNnZsNSDsNbCmpjvMTPQjLMmPmmQPGBTQP
FdVtRdRfctBQPmTtTLQB
qhzWVWJqVHwbhlLSsS
htWmhDhFztnztDhtBmBtghPRSrpfjVwPdfPwpwnRSVrr
cbCHvgJGcTqbqcbqqqcqsMsRVrSCwffdRPPpVpwCRSwfjj
GlgGQqTqbgQzttmBNNFz
NWQNQgdTgjQNddTZfrCQWRDnnnbqnLqnRcjJlqqvDj
FtSSmSmJhpllcclDvpln
JBVVSsSFBVBttShFGSPQfCGNdrMfZZTQTZNNdC
HgHthMhphcbfbMMfHhsGGDCRRVlcVSScsCRz
nWvPFqLqPNdjnNLnjdJnPdWjGlssDPSsllVCRzlTCTGlSDzS
RvddJRJQHwQwpZZb
gdZwgpjZZQtHTdrWrwdpWRnlhNBRlLbFthNhflhBnL
CVzDCPGMVqVmGsGGbJCmCDvMcRcqnBFFFnRBBNRBBNqhnFfF
DsmSGsGPzvMGJvdbgTSTbjbSSdgH
jBGmbNBQGdBNNDJNQRLLVDsHtDRzHHZZcH
wCWPFWPCrPhPrplvprhwpCHHtszttqZslRVHLtzVlJZL
vprMMvMnJCwnnPShNGSTfGSfNmmgdNff
bPtLbvVWWztbLSVVnbszpzQsrcDDBdpRcDrs
llZmgCZqgCFgmdRdJcscBdJsmQ
FZlgfqCFfgZHlqCMCglwCFGWntLLSMRSPGPVttWRtVGL
vtnDsDtrnrSvrMVmbrrJgPCmBm
FpQHzFclLVzWHhwHLQLlHLzPmMBQCJTdTmCTmBTJTTmgQg
pllcVWqlffZqZtZD
TSSZWpsQmZWcTZSvsTTTppNPzrBPrNBrzQNVFrBBNPqP
CgjmCbtGgftMmLtLmffzBzJJJNVVMNzNBqJrFN
gjgjLgtLwgbGjHdhhGdvmlnllnpWnplZvcvwTl
htLrRFRtbbhlGSLRtbJBJsjBmgMMgJgtmBzz
pZQWddQQfpZZffcDQZwddQwDMqDDsPgGJJzzjqzgJMBJgmms
QdcQTdwpGNwfrCRlRVlNLSbb
wrdvpVBVpMGPPjWjGZJJZT
tChCSlNfCCHtvHHWPHPZ
RbRRNvmcqcblfMwwdVBQQqqdpL
qcctqRcqmcHWzHBdDMZhfwthBnwt
JFsSNMSgNSNJJMGJBBdjhFDfhwhBrwnZ
TbgbsSgJMTJllblLCSPlsTCVQmRVVWpQzzqpqzVzHLQzcc
CVcWbjjSSCSSnpjWpCpprhHZlHtHGzHrZrHGclrl
gqZqdddLgmgNqvTGGHvvmrrGHT
FFDgZfZNLMgNfdDqDRnsnjBpbSbnMBBWpQpB
qwpQFwRnqFFfSBSfFt
LJJLGLWWtZlbgWHgGshhSdSVzmhHmfVzzC
lrbrbrNNJgDMLLbblGctvvvDqPcqctTTTcqP
vnblvbfHvlcHMlHlZbSPLTPLwCMBRRPRRFFR
tszzBqtzDsWVPRSmzLVmVL
tsNsDDNgGsqBrgBpgdHQbfhflcHdpZvdbh
cCpLtpGGLsgsppcpmGGHMtjfHRVhvvVVFRfhjV
NWnnnNNndQnQZdCdzzRVMHzvhhHWWWjj
CPJJrnSZpGDJLGTL
cnJzpcnmnQVFbzTlvTHBlb
tWCDPjfsDGfZhddhjjdTvFTgFgvbnFHvdHqT
hjfCjwDDGjPthsfhsnGNrJcQcRmJMLVJrJNMLw
CPPRrSlRccPcwTHwfdwTHdfl
mLQLLjhQhhQLZvpzssHDhdTswzzTJD
gmjbBvQLWmgbQZBCSRnnnSMVCBHnBS
sWrBJbsVqschzhQzHh
gtFmztnSlSfdlmnZSdSwcwGRTjcTcwwTcHccRg
FzFDzMZCdDZtCSrJVBMqWVrqNBqN
TvWlhhfhZJVgtSSl
ddBdGGdFmmBbdzqqPDDGGmdDZSgttHtZppSgzZHSgMhtMgtz
PGqdrbbbdPnrcjjhTRWLLc
trrmJWcrVwVbcPScdcBdGPHH
JTQnfjlJTpQFfMLlNJHHGDPdGsSdDjHGDPPH
ffFfnCTTCfTlplTMvNVzqWvwVzrrhwmWhJbW
hVtDtgcghzJpmmhlwp
srsnrqqsPqsBPvnqRBRMPbnwlplpmCStJwmzJPtJzJfwSw
bbrqjBbvGsjGGBWqMVFFVDNVNjZjgtgFgZ
mnmhBDHhwWCHsTgRsH
dcSlFvccMFMMFFggNsTzzvvzWnVW
llQdllZScFplJPpdcZSqBqjhmtnrwrDGnQGhrq
ZffVNgfTdmPVltsnnGwgQDnB
rMCFLMHpzCMFzHpzbrcHFLzBwsDsDDnlDBJrDDBBSJSnBn
MLMjMzqpCzvwqTmwZdvq
DDNlWPRqgPRPsRFjJQZbchJZbgQJ
zzrLLznpLbHnjcBHvVvHvJcZ
ndmrTzbMMTfzrTfnTLrzdpmsPPPqlqGDNNsPCRDRqRsD
zzdqTNfTfdfhgQhgqMFSjRDtDRWHqtWlwtqDRS
ssBCrcmpVGZvVRDdSDRwtmWdDb
rvGPCZLCVCPVBZFdnfThgNgLJNhf
bslcrssQwDPbQrrcsbsnQrjMLthPMMRhLRhLRgzmgPhRgM
DffvDfHGfNFdpfTdMtghLBThzVmBhBtM
SNvJNJdflDDbcDWJ
HFlHNpWsTlGWbFsGFTGHFLLNzPPhLVPMzVzMNPhhzP
jSvZtmrqqpcrCpPVzw
dddQvqDgDmjdSQQdqZjStpffWGgBRWTGfGsRlWBlHF
THnTbNrdBnLTHHnTnBrWRTndsccZsLZcDqmLDPcDlQDsmmsZ
ptwzzhpvGSVdqQlmszqmqPqc
wGVjSddCBggCHFWN
LFFbdbhhhvwvfTNdRhhRRvMbHDGjcfcGfDjtDHHcHqGjDqqj
WlQnVpWSSWWsPsgDqDzHDLHjJcttGP
rrWsZrgVnWrWSlmSlmSBFFbvTThhBFvvZLBhRw
BgBdcjThvjFcTggrqvVfzlnnPlrqLt
JpwJGPsQwpwSssHpPLlzlnNlzLLNNLVtsN
JPMmWGmWPmHbHpJbWGJmDmwbBTRZMBBdZCRTRjFjhCZCCBTT
BjbcLFRfBRhnbGjCVVvPllpcPtcDmdlPpvPP
WrMQqCNgsqWWsTNCMZMWWsWPvJDJDddvlpDtZDpDDDDwvP
qNMzzSzSQsGLbFCSCnVR
tTRpHJQpQBZcddhhMhvhJN
zswljflgMFbwPqmNmSdvShLNfLhm
qFbsMCVgsqMwRWHCWDDBDWpt
VSTCCWsJvGpHHCNC
GrqzZrrZjDljcDDlfjMqgRPfPvQPpBHNvHvBpvNQ
rljncDcznjMqhlhZDnltrzhTsGWtbVLFTTWGsbdWJdFTmL
mJPDSJJPZPJNrprSNrDmpZGrhFFhBqjGbGGVbFjhhfqBjBRV
cgnTQHdMQdTHdhqfggBhVqVfVS
nQdLLddssSJrmsNvZrPz
jfjffQzZQQMzZZfZZQFgjDWBCRlCBdTTBGGGRpBCgdhdBG
LrstWtNsbHLsprRBdlGpCwlh
HLnntbnscqLvvPNNfMWSSmDMDPjzjDzS
vhcGwWVvglltcfBn
BBSLrzSJLzJNJrLfPfPRsmDRmflD
jMjFZJNMqzrzZzFNFjNQqJzbCpBBvWdpvTCWhpVwdvHVCGbG
HlrnFmRmtRBQPVBTQHHQ
psSLJsLpTTdPdLTv
fCGgTgfSSCtRtFFzql
pfTpStppcDlWfbpDdzQRsQGJhfffQgJHzN
ZFZFZmBFwVwBVmLmLsRLRhHNzRLRNNzJ
FnnjwVPmnqqqjBjrTdblldCTpcPJtbTD
bdZHdWlrjslMMwGG
rDDTRBTqSqmJLBJRBTSJpmMsMMjhwvfMhjjfVGsLshhC
BqQFRPFRQBJgzrcZNHFdZt
wrDdLlDdPWZPTTrwlZpSsPsHVHsSCHnbzMHM
JtNFttNCjFvpppnMpJgSVS
NFFqFcCQCvfrZmGdZdmqrW
GMNNfJnNddJFJWsv
HSDwCmmghLmwmmHDpsvdFpMWpppptSbp
zCzBCgzhwmhzLrPnVrMqZBNfGf
DrHGtbltbCjjjffPrgsmzmcqsgDczdsmgJ
VZLwQLZLLVwLBQZnLVphhLQQqsTNmzJdcNTzzmJNqlNBsszz
wZLhVMplpQVRRlpVGPfjCjMGCrbHGWWb
BHpFrHHbBNTWWTWNhCPwPLNPjCdjLV
zJRRzJvZlcZsSMJdzSDjDtfDCtDtjDjjjj
dcJcszQJJGRJzRllMpGHpFTWmrTmBTbWWB
qnWWqhDhnjmjCMBlNRrfVfRNCB
vvBLBtGHJTHBddrNVJrVSVdr
BZLTHbgvHvTFBgTFFvhmWmmZDPmmZDsnqncs
WBvmjDbSzTMmHHdpNHNF
ttlflZRfGtfWVRltGtflCdHnJrNJHNHnJddNMNCnpF
VVwssWQQfRGZcszBQzDbjSBvSBDP
lSlQqQVqWWVWfqQWVJSTscdmPPwwTTmjjfpjPp
FCbzHbvHvtgrtFCvbvbbwdTwmsrwnTTpmdswmwcc
DtZbHdghztlLMQlWWhVQ
pqzzFSmdFqbQvlpdDGGrGBWPPBVNQnVttZ
cgcjwfBMhHCjjLMCrtcnPcsnsPGVnrVs
JgCChjjjBHhRRLLjjhplzvzpSFJvzzlDbSqm
mZzVQZMhmrffwfQhWhzmrmpBtRcdbnbcdcMpBbDbncdD
jsLTSlTWRBSDpnDn
GLTsGWGFsfmJGZVJZm
BGWshBGnsFWSLWBLlSSLWRJHnrVPrPcNHCNHctnPPJ
QmvQCqqMTZqvgmvTjpZCMgMtrVctPptHtrNVrptbJJbrRP
CzjCZfCwDzShDWdF
HmQlQHmJnpmptmzt
MTqMjMPvTvVvhpdztZnSwzwZqS
CcbLLPTMtCCsjHNHQFLRRFlRNN
GDFwLLLLSrbdPlFBMFsslFHmZH
TnJCgthHpVTfZMQZQmzWnZ
hjvtjtghtqJvVjhTgNhJTvdvdDDRbbccrwPdcGwrHS
MQQMBPzMGQBPBbDQPMhpnRwsGnRhNrFFpRnF
vmgHcmCTTlvvvZvTmqcTfmCRdddFnwdRdnVwFpVfpRnwNw
gvmqJTcHclCQJNzjMLWbLj
DbqqDDbQFqfNtZSLSq
RrdjPdmrpWBdmWRdccfLtNttSDMZBfftLMLf
dCcgmgRrWcgcppjCVVVVFHFnDnbJnb
fZMFfrtVdZSDVwTgjRMLhwTCLj
cNzPBNpclllzHbmTNRhqCRTgjC
nhhWJzhGPlQcGvsvfJtSfZfrtt
PSzrBWQBBGzBlnSnWtDrqHfNfwVwHcLNjHjwcDNmFH
hbRhtRCRpRvsRgVVVcNHNNNCwLwc
ZtRTRvttWWzBPlGZ
tcLnctNsJrWWNDTN
pwPPSjHSHHfzvmSvvvFVVGqGVqGmFqrDWgDr
pPSvfPQMzCQCSbhllLnQDhbtQZ
DmLffDhpVhjjVwvbwNVFbbNSNH
JRPBgMPRHBrMHMHqrBMqWJBSQQNbCvndNrdvCNCFwFrQnv
WcqJcPGMGtWRRBtgZjjspGHTLHGHTppm
ptJtWJpqRwDZZDVWpbDWqlvvflfMjlfCMjdCCdtslv
rLwTBGBzBBQTzmwCCjvdvlLllddsMl
NBwTmrGNgrTrcgPpWgWPDSVVPW
CdglMnrlSSqDPpcsZb
ccwmVJtvVvVtNhBpBFPDVpqbbD
TRGQjJjGTmtrTCgHWLfrcn
JNNhLwWwWQHNPDmmjHpc
zMqZCvVCSMVqMSTVvZVGsBnlslpmsmzlPmsHPsPB
qTVqrgdCCbhfHJQFtg
wNwCBBCZsfQWfmLCGSmmFRGSSF
zjnPHPVqMhhZLTcbpbSncp
lVlhlgzlPZlwtgBddJdfvf
JWRWRRLWJLnjtjnLzGzznflBvfPvPMqMDqdbzblCzC
TTScTVbHmTsVFrmcsgcHFlPMMvlvrDPdlrDDqdldvl
bVpcpchgsFZHbhSmSTsHFFjwtZjnjLttntNjLjNLWtjw
rffjPJzWzrgPpGWHVNqTtmqFTVRH
cswhvlLBvSLsCtbFccmqVFNTbb
wwZSCZSnCLsSDGgDmpGnfmmr
rTfJTNtjfNljlrWSlzRtNlTqsddwGnsnHHwwhssTsnqw
VpbpZZbvPLbZbbBhwqMHhsGMnJdVwV
mgQZJDLBJbbbcbgZClCSfWlrCjRjlDCR
fSpwcVfzsztcSSWNNMbnMRqTvtTv
mJFmGDDDhGhBJHCQddllqTvCllqTRRWNnMbT
FdFDGdDDDhhHdZDjhDmpwSPVZszpwZsVgsPRZs

87
day3/part1.py 100644
View File

@ -0,0 +1,87 @@
"""
--- Day 3: Rucksack Reorganization ---
One Elf has the important job of loading all of the rucksacks with
supplies for the jungle journey. Unfortunately, that Elf didn't quite
follow the packing instructions, and so a few items now need to be
rearranged.
Each rucksack has two large compartments. All items of a given type are
meant to go into exactly one of the two compartments. The Elf that did
the packing failed to follow this rule for exactly one item type per
rucksack.
The Elves have made a list of all of the items currently in each
rucksack (your puzzle input), but they need your help finding the
errors. Every item type is identified by a single lowercase or
uppercase letter (that is, a and A refer to different types of items).
The list of items for each rucksack is given as characters all on a
single line. A given rucksack always has the same number of items in
each of its two compartments, so the first half of the characters
represent items in the first compartment, while the second half of the
characters represent items in the second compartment.
For example, suppose you have the following list of contents from six
rucksacks:
vJrwpWtwJgWrhcsFMMfFFhFp
jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
PmmdzqPrVvPwwTWBwg
wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
ttgJtRGJQctTZtZT
CrZsJsPPZsGzwwsLwLmpwMDw
- The first rucksack contains the items vJrwpWtwJgWrhcsFMMfFFhFp, which
means its first compartment contains the items vJrwpWtwJgWr, while
the second compartment contains the items hcsFMMfFFhFp. The only item
type that appears in both compartments is lowercase p.
- The second rucksack's compartments contain jqHRNqRjqzjGDLGL and
rsFMfFZSrLrFZsSL. The only item type that appears in both compartments
is uppercase L.
- The third rucksack's compartments contain PmmdzqPrV and vPwwTWBwg;
the only common item type is uppercase P.
- The fourth rucksack's compartments only share item type v.
- The fifth rucksack's compartments only share item type t.
- The sixth rucksack's compartments only share item type s.
To help prioritize item rearrangement, every item type can be converted
to a priority:
- Lowercase item types a through z have priorities 1 through 26.
- Uppercase item types A through Z have priorities 27 through 52.
In the above example, the priority of the item type that appears in
both compartments of each rucksack is 16 (p), 38 (L), 42 (P), 22 (v),
20 (t), and 19 (s); the sum of these is 157.
Find the item type that appears in both compartments of each rucksack.
What is the sum of the priorities of those item types?
"""
import string
def main():
total_priority = 0
priority_index = f"{string.ascii_lowercase}{string.ascii_uppercase}"
with open("input.txt", "r", encoding="utf-8") as f:
for line in f:
line_contents = line.strip()
if not line_contents:
continue
total_item_count = len(line_contents)
half_item_count = int(total_item_count/2)
small_compartment_contents = list(line_contents[:half_item_count])
large_compartment_contents = list(line_contents[half_item_count:])
common_item = set(small_compartment_contents).intersection(set(large_compartment_contents)).pop()
common_item_priority = priority_index.index(common_item) + 1
total_priority += common_item_priority
print(f"Total priority is {total_priority}")
if __name__ == "__main__":
main()

75
day3/part2.py 100644
View File

@ -0,0 +1,75 @@
"""
--- Part Two ---
As you finish identifying the misplaced items, the Elves come to you
with another issue.
For safety, the Elves are divided into groups of three. Every Elf
carries a badge that identifies their group. For efficiency, within
each group of three Elves, the badge is the only item type carried by
all three Elves. That is, if a group's badge is item type B, then all
three Elves will have item type B somewhere in their rucksack, and at
most two of the Elves will be carrying any other item type.
The problem is that someone forgot to put this year's updated
authenticity sticker on the badges. All of the badges need to be pulled
out of the rucksacks so the new authenticity stickers can be attached.
Additionally, nobody wrote down which item type corresponds to each
group's badges. The only way to tell which item type is the right one
is by finding the one item type that is common between all three Elves
in each group.
Every set of three lines in your list corresponds to a single group,
but each group can have a different badge item type. So, in the above
example, the first group's rucksacks are the first three lines:
vJrwpWtwJgWrhcsFMMfFFhFp
jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
PmmdzqPrVvPwwTWBwg
And the second group's rucksacks are the next three lines:
wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
ttgJtRGJQctTZtZT
CrZsJsPPZsGzwwsLwLmpwMDw
In the first group, the only item type that appears in all three
rucksacks is lowercase r; this must be their badges. In the second
group, their badge item type must be Z.
Priorities for these items must still be found to organize the sticker
attachment efforts: here, they are 18 (r) for the first group and 52
(Z) for the second group. The sum of these is 70.
Find the item type that corresponds to the badges of each three-Elf
group. What is the sum of the priorities of those item types?
"""
import string
def main():
total_priority = 0
priority_index = f"{string.ascii_lowercase}{string.ascii_uppercase}"
with open("input.txt", "r", encoding="utf-8") as f:
group = []
for line in f:
line_contents = line.strip()
if not line_contents:
continue
group.append(line_contents)
if len(group) == 3:
common_item = set(group[0]).intersection(set(group[1])).intersection(set(group[2])).pop()
common_item_priority = priority_index.index(common_item) + 1
total_priority += common_item_priority
group = []
print(f"Total group priority is {total_priority}")
if __name__ == "__main__":
main()

View File

@ -0,0 +1,6 @@
vJrwpWtwJgWrhcsFMMfFFhFp
jqHRNqRjqzjGDLGLrsFMfFZSrLrFZsSL
PmmdzqPrVvPwwTWBwg
wMqvLMZHhHMvwLHjbvcjnnSBnvTQFn
ttgJtRGJQctTZtZT
CrZsJsPPZsGzwwsLwLmpwMDw