2024 Day 24 complete
Part 2 solved manually, working on a programmatic solution
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@ -54,3 +54,4 @@ _testmain.go
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*/day24/day24
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*/day25/day25
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*.ignore
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313
2024/day24/input
Normal file
313
2024/day24/input
Normal file
@ -0,0 +1,313 @@
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x00: 1
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x01: 0
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x02: 1
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x03: 1
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x04: 0
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x05: 0
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x06: 1
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x07: 1
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x08: 0
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x09: 1
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x10: 1
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x11: 1
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x12: 1
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x13: 1
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x14: 1
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x15: 1
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x16: 1
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x17: 0
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x18: 0
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x19: 0
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x20: 0
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x21: 0
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x22: 0
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x23: 0
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x24: 0
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x25: 1
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x26: 1
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x27: 1
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x28: 1
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x29: 0
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x30: 1
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x31: 1
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x32: 0
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x33: 0
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x34: 1
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x35: 0
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x36: 1
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x37: 1
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x38: 0
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x39: 0
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x40: 1
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x41: 1
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x42: 0
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x43: 0
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x44: 1
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y00: 1
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y01: 0
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y02: 0
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y03: 1
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y04: 1
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y05: 0
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y06: 0
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y07: 0
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y08: 0
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y09: 0
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y10: 0
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y11: 1
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y12: 0
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y13: 0
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y14: 1
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y15: 0
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y16: 1
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y17: 1
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y18: 1
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y19: 1
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y20: 1
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y21: 0
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y22: 0
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y23: 1
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y24: 0
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y25: 0
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y26: 0
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y27: 1
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y28: 1
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y29: 1
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y30: 0
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y31: 1
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y32: 0
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y33: 1
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y34: 1
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y35: 0
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y36: 0
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y37: 0
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y38: 1
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y39: 1
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y40: 1
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y41: 1
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y42: 0
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y43: 1
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y44: 1
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y13 AND x13 -> dct
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y19 XOR x19 -> qww
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x40 AND y40 -> vvt
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bpj AND jmc -> qvd
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x34 AND y34 -> qkf
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y07 XOR x07 -> shj
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x12 XOR y12 -> msr
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dqf OR wvh -> mqr
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y04 XOR x04 -> cwp
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x16 AND y16 -> qsm
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x10 XOR y10 -> fpp
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y31 AND x31 -> mfb
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y24 XOR x24 -> swf
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kbw XOR cnq -> z20
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x36 AND y36 -> fbv
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y26 XOR x26 -> vwb
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pnt OR nwb -> bnk
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pdk AND fpp -> fnn
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x18 XOR y18 -> fcm
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y05 AND x05 -> mkq
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y15 AND x15 -> mht
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cnq AND kbw -> tdh
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dvg OR vvt -> hfj
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msr AND rfj -> qnh
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y36 XOR x36 -> fmw
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wgp OR ncj -> jjg
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bkm OR bwr -> fgc
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mht XOR fgc -> z15
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fcm XOR qnk -> z18
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bnk XOR qww -> z19
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mgr AND vfc -> vsh
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y42 XOR x42 -> jmc
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cdh OR wjj -> qnk
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rtc AND fkn -> dbr
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bfg XOR rsw -> z21
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y24 AND x24 -> dwp
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y33 XOR x33 -> vfc
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x13 XOR y13 -> fpd
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qdw XOR mhh -> z29
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x29 XOR y29 -> mhh
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y38 XOR x38 -> cds
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y42 AND x42 -> fcg
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wnb XOR qjh -> z34
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y30 AND x30 -> kqh
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hdk OR qtc -> mgr
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pbk OR sdq -> ggp
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y43 XOR x43 -> psg
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jsd AND kbc -> jbf
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x17 XOR y17 -> jhw
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grs XOR whw -> z39
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x08 AND y08 -> hrv
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y06 AND x06 -> wgp
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vwb XOR dgc -> z26
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tsw XOR wwm -> hdt
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tqf XOR grc -> z25
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x09 AND y09 -> z09
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y25 AND x25 -> dmw
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x23 XOR y23 -> tqk
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x11 XOR y11 -> jrm
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cwp AND rsk -> dmh
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y00 AND x00 -> jfb
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tmd AND fsp -> rtw
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qww AND bnk -> frn
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jbf OR bmh -> qdw
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rtc XOR fkn -> z02
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cwp XOR rsk -> z04
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mqr XOR fmw -> z36
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y40 XOR x40 -> dqk
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y29 AND x29 -> jnk
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y14 XOR x14 -> hsh
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x32 XOR y32 -> vtg
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mhh AND qdw -> hdf
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x23 AND y23 -> sjk
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x03 AND y03 -> ttc
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qhs OR vkm -> z45
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y25 XOR x25 -> tqf
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y28 AND x28 -> bmh
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y19 AND x19 -> sgc
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tdw OR ndp -> grs
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rrc AND bsn -> vfs
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y41 AND x41 -> pkb
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tsw AND wwm -> rnk
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tqk XOR chk -> z23
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x05 XOR y05 -> wwm
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kqh OR nbf -> rrc
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whw AND grs -> rtb
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fcg OR qvd -> drc
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vsk AND djp -> wkn
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y37 AND x37 -> hbg
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vkd XOR wqr -> gbf
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gmj XOR swf -> z24
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y41 XOR x41 -> gfs
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sdb XOR cds -> z38
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x21 AND y21 -> rkv
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pdk XOR fpp -> z10
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chk AND tqk -> mnm
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hbg OR kjf -> sdb
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pkb OR nvj -> bpj
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grv AND jnv -> kjf
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x00 XOR y00 -> z00
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jjj XOR jfb -> z01
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x44 XOR y44 -> wdq
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ttc OR vkp -> rsk
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x27 XOR y27 -> vsk
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dbr OR vrb -> psp
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x32 AND y32 -> qtc
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hdt AND gwg -> ncj
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nqw OR tdh -> bfg
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y03 XOR x03 -> fhp
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y15 XOR x15 -> jgt
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x43 AND y43 -> ndc
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fmw AND mqr -> pqm
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fnn OR cpd -> tfh
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bsn XOR rrc -> z31
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dpr AND nvv -> z30
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x34 XOR y34 -> qjh
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wnb AND qjh -> pnf
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y20 AND x20 -> nqw
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hfj AND gfs -> nvj
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y22 AND x22 -> dvc
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nwr OR jgt -> shs
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x04 AND y04 -> dsn
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x02 XOR y02 -> fkn
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fhp AND psp -> vkp
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x33 AND y33 -> pwh
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mht AND fgc -> nwr
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jfb AND jjj -> pss
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y26 AND x26 -> hts
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hts OR hqr -> djp
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dct OR ffq -> gnt
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ndc OR gqn -> ggg
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y27 AND x27 -> sfr
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pwh OR vsh -> wnb
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vtg XOR ssr -> z32
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sjk OR mnm -> gmj
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jjg XOR shj -> z07
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gbf OR ttm -> pdk
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ggg AND wdq -> vkm
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mvt XOR jnw -> z35
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ggg XOR wdq -> z44
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swf AND gmj -> ccj
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gnt AND hsh -> bkm
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mfb OR vfs -> ssr
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wnd AND shs -> pgd
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x16 XOR y16 -> wnd
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x11 AND y11 -> fqp
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vsk XOR djp -> z27
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x28 XOR y28 -> kbc
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rtb OR fvv -> fkp
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y01 XOR x01 -> jjj
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rnk OR mkq -> z05
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cjc XOR ggp -> z08
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y39 XOR x39 -> whw
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fkp AND dqk -> dvg
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y37 XOR x37 -> jnv
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x02 AND y02 -> vrb
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prk XOR jhw -> z17
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wvc OR hrv -> vkd
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hfj XOR gfs -> z41
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kbc XOR jsd -> z28
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shj AND jjg -> pbk
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dmh OR dsn -> tsw
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x10 AND y10 -> cpd
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rsw AND bfg -> mbt
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jhw AND prk -> wjj
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hmn OR qnh -> sjh
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fqp OR rng -> rfj
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y07 AND x07 -> sdq
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vfc XOR mgr -> z33
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sjh XOR fpd -> z13
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ggp AND cjc -> wvc
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y35 XOR x35 -> mvt
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fsp XOR tmd -> z22
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y09 XOR x09 -> wqr
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dpr XOR nvv -> nbf
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hdt XOR gwg -> z06
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mvt AND jnw -> dqf
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x35 AND y35 -> wvh
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grd OR dmw -> dgc
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psp XOR fhp -> z03
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x08 XOR y08 -> cjc
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x39 AND y39 -> fvv
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x38 AND y38 -> ndp
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ssr AND vtg -> hdk
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frn OR sgc -> kbw
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qsm OR pgd -> prk
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cds AND sdb -> tdw
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ccj OR dwp -> grc
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psg XOR drc -> z43
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mbt OR rkv -> tmd
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y18 AND x18 -> nwb
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jmc XOR bpj -> z42
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y12 AND x12 -> hmn
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jrm AND tfh -> rng
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qnk AND fcm -> pnt
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cpp OR pss -> rtc
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sjh AND fpd -> ffq
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jnk OR hdf -> nvv
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grv XOR jnv -> z37
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x20 XOR y20 -> cnq
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y31 XOR x31 -> bsn
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rfj XOR msr -> z12
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vkd AND wqr -> ttm
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y17 AND x17 -> cdh
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dgc AND vwb -> hqr
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y14 AND x14 -> bwr
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y06 XOR x06 -> gwg
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y22 XOR x22 -> fsp
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fkp XOR dqk -> z40
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jrm XOR tfh -> z11
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y30 XOR x30 -> dpr
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hsh XOR gnt -> z14
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x21 XOR y21 -> rsw
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rtw OR dvc -> chk
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x44 AND y44 -> qhs
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qkf OR pnf -> jnw
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fbv OR pqm -> grv
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grc AND tqf -> grd
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drc AND psg -> gqn
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shs XOR wnd -> z16
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y01 AND x01 -> cpp
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sfr OR wkn -> jsd
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192
2024/day24/main.go
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192
2024/day24/main.go
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@ -0,0 +1,192 @@
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package main
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import (
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"fmt"
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"sort"
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"strconv"
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"strings"
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h "git.bullercodeworks.com/brian/adventofcode/helpers"
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)
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func main() {
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inp := h.StdinToStringSlice()
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part1(inp)
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fmt.Println()
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part2(inp)
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}
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func part1(inp []string) {
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fmt.Println("# Part 1")
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dev, gates := parseInput1(inp)
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// Perform all logic
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gateDone := make(map[int]bool)
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for len(gateDone) != len(gates)-1 {
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for i := range gates {
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if _, ok := gateDone[i]; !ok {
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pts := strings.Split(gates[i], " ")
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var w1, w2, ok bool
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if w1, ok = dev[pts[0]]; ok {
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if w2, ok = dev[pts[2]]; ok {
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switch pts[1] {
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case "AND":
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dev[pts[4]] = w1 && w2
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case "OR":
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dev[pts[4]] = w1 || w2
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case "XOR":
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dev[pts[4]] = w1 != w2
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}
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gateDone[i] = true
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}
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}
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}
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}
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}
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fmt.Println(findValueOf(dev, "z"))
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}
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// Not fully working yet... I solved this part manually.
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func part2(inp []string) {
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fmt.Println("# Part 2")
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gates := parseInput2(inp)[1]
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var swapped []string
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var c0 string
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for i := 0; i < 45; i++ {
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n := fmt.Sprintf("%02d", i)
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var m1, n1, r1, z1, c1 string
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m1 = find("x"+n, "y"+n, "XOR", gates)
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n1 = find("x"+n, "y"+n, "AND", gates)
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if c0 != "" {
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r1 = find(c0, m1, "AND", gates)
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if r1 == "" {
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m1, n1 = n1, m1
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swapped = append(swapped, m1, n1)
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r1 = find(c0, m1, "AND", gates)
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}
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z1 = find(c0, m1, "XOR", gates)
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if strings.HasPrefix(m1, "z") {
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m1, z1 = z1, m1
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swapped = append(swapped, m1, z1)
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}
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if strings.HasPrefix(n1, "z") {
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n1, z1 = z1, n1
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swapped = append(swapped, n1, z1)
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}
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if strings.HasPrefix(r1, "z") {
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r1, z1 = z1, r1
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swapped = append(swapped, r1, z1)
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}
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c1 = find(r1, n1, "OR", gates)
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}
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if strings.HasPrefix(c1, "z") && c1 != "z45" {
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c1, z1 = z1, c1
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swapped = append(swapped, c1, z1)
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}
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if c0 == "" {
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c0 = n1
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} else {
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c0 = c1
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}
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}
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// Sort and join swapped wires
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sort.Strings(swapped)
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fmt.Println(strings.Join(swapped, ","))
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}
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func parseInput1(inp []string) (map[string]bool, []string) {
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dev := make(map[string]bool)
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var gates []string
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var inGates bool
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for i := range inp {
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if len(inp[i]) == 0 {
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inGates = true
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}
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if !inGates {
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if inp[i][3] == ':' {
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wire := inp[i][:3]
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v := inp[i][5] == '1'
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dev[wire] = v
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}
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} else {
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gates = append(gates, inp[i])
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}
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}
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return dev, gates
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}
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func parseInput2(inp []string) [][]string {
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var parts [][]string
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var currPt []string
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for _, line := range inp {
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if line == "" {
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if len(currPt) > 0 {
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parts = append(parts, currPt)
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currPt = []string{}
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}
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} else {
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currPt = append(currPt, line)
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}
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}
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if len(currPt) > 0 {
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parts = append(parts, currPt)
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}
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return parts
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}
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func findHighestReg(dev map[string]bool) int {
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var highest string
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for i := range dev {
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if i > highest {
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highest = i
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}
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}
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ret, _ := strconv.Atoi(highest[1:])
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return ret
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}
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func findValueOf(dev map[string]bool, register string) int64 {
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var highest string
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for i := range dev {
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if i > highest {
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highest = i
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}
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}
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get, _ := strconv.Atoi(highest[1:])
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var val int64
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for i := get; ; i-- {
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key := fmt.Sprintf("%s%02d", register, i)
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v, ok := dev[key]
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if !ok {
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break
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} else {
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val = val << 1
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if v {
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val += 1
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}
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}
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}
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return val
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}
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func find(w1, w2, op string, gates []string) string {
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for _, gate := range gates {
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if strings.HasPrefix(gate, fmt.Sprintf("%s %s %s", w1, op, w2)) ||
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strings.HasPrefix(gate, fmt.Sprintf("%s %s %s", w2, op, w2)) {
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parts := strings.Split(gate, " -> ")
|
||||
return parts[len(parts)-1]
|
||||
}
|
||||
}
|
||||
return ""
|
||||
}
|
||||
10
2024/day24/testinput
Normal file
10
2024/day24/testinput
Normal file
@ -0,0 +1,10 @@
|
||||
x00: 1
|
||||
x01: 1
|
||||
x02: 1
|
||||
y00: 0
|
||||
y01: 1
|
||||
y02: 0
|
||||
|
||||
x00 AND y00 -> z00
|
||||
x01 XOR y01 -> z01
|
||||
x02 OR y02 -> z02
|
||||
47
2024/day24/testinput2
Normal file
47
2024/day24/testinput2
Normal file
@ -0,0 +1,47 @@
|
||||
x00: 1
|
||||
x01: 0
|
||||
x02: 1
|
||||
x03: 1
|
||||
x04: 0
|
||||
y00: 1
|
||||
y01: 1
|
||||
y02: 1
|
||||
y03: 1
|
||||
y04: 1
|
||||
|
||||
ntg XOR fgs -> mjb
|
||||
y02 OR x01 -> tnw
|
||||
kwq OR kpj -> z05
|
||||
x00 OR x03 -> fst
|
||||
tgd XOR rvg -> z01
|
||||
vdt OR tnw -> bfw
|
||||
bfw AND frj -> z10
|
||||
ffh OR nrd -> bqk
|
||||
y00 AND y03 -> djm
|
||||
y03 OR y00 -> psh
|
||||
bqk OR frj -> z08
|
||||
tnw OR fst -> frj
|
||||
gnj AND tgd -> z11
|
||||
bfw XOR mjb -> z00
|
||||
x03 OR x00 -> vdt
|
||||
gnj AND wpb -> z02
|
||||
x04 AND y00 -> kjc
|
||||
djm OR pbm -> qhw
|
||||
nrd AND vdt -> hwm
|
||||
kjc AND fst -> rvg
|
||||
y04 OR y02 -> fgs
|
||||
y01 AND x02 -> pbm
|
||||
ntg OR kjc -> kwq
|
||||
psh XOR fgs -> tgd
|
||||
qhw XOR tgd -> z09
|
||||
pbm OR djm -> kpj
|
||||
x03 XOR y03 -> ffh
|
||||
x00 XOR y04 -> ntg
|
||||
bfw OR bqk -> z06
|
||||
nrd XOR fgs -> wpb
|
||||
frj XOR qhw -> z04
|
||||
bqk OR frj -> z07
|
||||
y03 OR x01 -> nrd
|
||||
hwm AND bqk -> z03
|
||||
tgd XOR rvg -> z12
|
||||
tnw OR pbm -> gnj
|
||||
19
2024/day24/testinput3
Normal file
19
2024/day24/testinput3
Normal file
@ -0,0 +1,19 @@
|
||||
x00: 0
|
||||
x01: 1
|
||||
x02: 0
|
||||
x03: 1
|
||||
x04: 0
|
||||
x05: 1
|
||||
y00: 0
|
||||
y01: 0
|
||||
y02: 1
|
||||
y03: 1
|
||||
y04: 0
|
||||
y05: 1
|
||||
|
||||
x00 AND y00 -> z05
|
||||
x01 AND y01 -> z02
|
||||
x02 AND y02 -> z01
|
||||
x03 AND y03 -> z03
|
||||
x04 AND y04 -> z04
|
||||
x05 AND y05 -> z00
|
||||
Loading…
Reference in New Issue
Block a user