Umqeqeshi weSudoku we-AI

Imithetho yeSudoku: indlela yokudlala iSudoku

ISudoku iyiphazili yomqondo edlalwa egridini engu-9×9. Ugcwalisa izinombolo kusukela ku-1 kuya ku-9 ukuze wonke umugqa, yonke ikholomu nalo lonke ibhokisi elingu-3×3 kube nenombolo ngayinye kanye kuphela. Izinombolo ezinikeziwe ekuqaleni ziyizinkomba zakho, futhi iphazili enhle inesixazululo esisodwa kuphela osifinyelela ngaphandle kokuqagela.

Indlela yokuxazulula iSudoku: funda amaqhinga isinyathelo ngesinyathelo

Indlela esheshayo yokuthuthuka kuSudoku ukufunda amaqhinga ngokulandelana. I-Hidden Single ne-Naked Single zanele ukuqeda amaphazili alula. Engeza i-Pointing, i-Box/Line Reduction, amapheya nezintathu, futhi uzoxazulula namanzima. Konke kusukela ku-X-Wing kuqhubeke kungeyamazinga athi Okochwepheshe nathi Okwengcweti.

Amaqhinga ezinga elithi “Okwabaqalayo”

1. Isinyathelo 1
   Hidden Single (indawo eyodwa kuphela)

   Uma inombolo ingangena esikweleni esisodwa kuphela emugqeni, ekholomini noma ebhokisini, leso sikwele kumele sibe yileyo nombolo.

Amaqhinga ezinga elithi “Okulula”

1. Isinyathelo 2
   Naked Single (inombolo eyodwa kuphela engangena)

   Uma isikwele sisala nenombolo eyodwa kuphela engenzeka ngemva kokususa izinombolo esezikhona emugqeni waso, ekholomini yaso nasebhokisini laso, leyo nombolo iyimpendulo yaso.

Amaqhinga ezinga elithi “Okuphakathi”

1. Isinyathelo 3
   Pointing (ziqondene ngaphakathi ebhokisini)

   Uma zonke izindawo inombolo engangena kuzo ngaphakathi ebhokisini zisemugqeni owodwa noma ekholomini eyodwa, ungasusa leyo nombolo kwezinye izikwele zalowo mugqa noma yaleyo kholomu ezingaphandle kwebhokisi.

2. Isinyathelo 4
   Box/Line (umugqa unquma ibhokisi)

   Uma zonke izindawo inombolo engangena kuzo emugqeni noma ekholomini zingaphakathi kwebhokisi elilodwa, ungasusa leyo nombolo kwezinye izikwele zalelo bhokisi.

Amaqhinga ezinga elithi “Okunzima”

1. Isinyathelo 5
   Naked Pair (ipheya elibonakalayo)

   Uma izikwele ezimbili emugqeni owodwa, ekholomini noma ebhokisini zinezinombolo ezingenzeka ezimbili ezifanayo kuphela, ungasusa lezo zinombolo ezimbili kuzo zonke ezinye izikwele zalelo qembu.

2. Isinyathelo 6
   Hidden Pair (ipheya elifihlekile)

   Uma izinombolo ezimbili zingangena kuphela ezikweleni ezimbili ezifanayo emugqeni, ekholomini noma ebhokisini, ungasusa zonke ezinye izinombolo ezingenzeka kulezo zikwele ezimbili.

3. Isinyathelo 7
   Naked Triple (ezintathu ezibonakalayo)

   Uma izikwele ezintathu eqenjini, uma zihlangene, zinezinombolo ezingenzeka ezintathu ezehlukene kuphela, ungasusa lezo zinombolo ezintathu kwezinye izikwele zalelo qembu.

4. Isinyathelo 8
   Hidden Triple (ezintathu ezifihlekile)

   Uma izinombolo ezintathu zingangena kuphela ezikweleni ezintathu ezifanayo eqenjini, ungasusa zonke ezinye izinombolo ezingenzeka kulezo zikwele ezintathu.

Amaqhinga ezinga elithi “Okochwepheshe”

1. Isinyathelo 9
   X-Wing

   Uma inombolo inezindawo ezimbili kuphela emugqeni ngamunye kwemibili, futhi lezo zikwele ziqondene emakholomini amabili afanayo, ungasusa leyo nombolo kwezinye izikwele zalawo makholomu amabili (kuyasebenza nalapho imigqa namakholomu kushintshaniswa).

2. Isinyathelo 10
   Swordfish

   Uhlobo lwemigqa emithathu lwe-X-Wing: uma izindawo zenombolo emigqeni emithathu zonke ziwela emakholomini amathathu afanayo, ungasusa leyo nombolo kwezinye izikwele zalawo makholomu.

3. Isinyathelo 11
   XY-Wing

   Izikwele ezintathu, ngasinye sinezinombolo ezingenzeka ezimbili — esiphakathi u-XY nezimbili ezisibonayo, u-XZ no-YZ — zikuvumela ukuthi ususe u-Z kunoma yisiphi isikwele esibona zombili lezo zikwele ezimbili.

4. Isinyathelo 12
   XYZ-Wing

   I-XY-Wing lapho isikwele esiphakathi sinezinombolo ezingenzeka ezintathu (XYZ): ungasusa inombolo abahlanganyela kuyo, u-Z, kunoma yisiphi isikwele esibona esiphakathi nazo zombili ezinye izikwele.

Amaqhinga ezinga elithi “Okwengcweti”

1. Isinyathelo 13
   Skyscraper (izakhiwo ezinde)

   Uma inombolo inezindawo ezimbili kuphela emugqeni ngamunye kwemibili, futhi isiphetho esisodwa salowo nalowo siqondene ekholomini efanayo, ungasusa leyo nombolo ezikweleni ezibona zombili iziphetho ezisele.

2. Isinyathelo 14
   2-String Kite (ikhayithi)

   Uma inombolo inezindawo ezimbili kuphela emugqeni owodwa nezimbili kuphela ekholomini eyodwa, futhi lowo mugqa naleyo kholomu kuhlangana ebhokisini elilodwa, ungasusa leyo nombolo esikweleni esibona zombili iziphetho ezisele.

3. Isinyathelo 15
   Unique Rectangle (unxande wesixazululo esisodwa)

   Lisebenzisa iqiniso lokuthi iSudoku efanele inesixazululo esisodwa kuphela: izikwele ezine ezakha unxande emabhokisini amabili angeke zonke zigcine zinepheya elifanayo lezinombolo, ngakho ungasusa izinombolo ezingenzeka ezingaholela kulokho.

4. Isinyathelo 16
   BUG+1 (isikwele sokugcina esinezintathu)

   Uma zonke izikwele ezingenalutho zinezinombolo ezingenzeka ezimbili kuphela ngaphandle kwesikwele esisodwa esinezintathu, impendulo yaleso sikwele isinqunyiwe — ngaphandle kwalokho iphazili ibizoba nezixazululo ezimbili.

5. Isinyathelo 17
   Empty Rectangle (unxande ongenalutho)

   Uma izindawo zenombolo ebhokisini zingena esiphambanweni somugqa owodwa nekholomu eyodwa, ungakuhlanganisa nomugqa noma ikholomu lapho leyo nombolo inezindawo ezimbili kuphela, ukuze uyisuse esikweleni esithile.

6. Isinyathelo 18
   W-Wing

   Izikwele ezimbili ezingaba ngu-X noma ngu-Y kuphela futhi ezingabonani, uma zixhunywe ngumugqa noma ikholomu lapho u-X enezindawo ezimbili kuphela, zikuvumela ukuthi ususe u-Y kunoma yisiphi isikwele esibona zombili.

7. Isinyathelo 19
   Naked Quad (ezine ezibonakalayo)

   Uma izikwele ezine eqenjini, uma zihlangene, zinezinombolo ezingenzeka ezine ezehlukene kuphela, ungasusa lezo zinombolo ezine kwezinye izikwele zalelo qembu.

8. Isinyathelo 20
   Hidden Quad (ezine ezifihlekile)

   Uma izinombolo ezine zingangena kuphela ezikweleni ezine ezifanayo eqenjini, ungasusa zonke ezinye izinombolo ezingenzeka kulezo zikwele ezine.

9. Isinyathelo 21
   Finned X-Wing (i-X-Wing enephiko)

   I-X-Wing enezinombolo ezingenzeka ezimbalwa ezengeziwe (iphiko) eduze kwekhona elilodwa: usengayisusa leyo nombolo ezikweleni ezisemakholomini e-X-Wing futhi ezisebhokisini lephiko.

10. Isinyathelo 22
    Jellyfish

    Uhlobo lwemigqa emine lwe-X-Wing: uma izindawo zenombolo emigqeni emine zonke ziwela emakholomini amane afanayo, ungasusa leyo nombolo kwezinye izikwele zalawo makholomu.

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