ComputerZokuhlela

A uluhlu enezinto neempawu zayo

Yakhani uluhlu ibizwa ngokuba kukho iseti wayalela lweziqalelo ngayinye enegama ethile (enye) ukuchwetheza. Azinazo ezi ezimile kunye neguquguqukayo. ubude lokuqala kucacisiwe inyathelo, ngamanye amazwi, iinkqubo phambi kokuba kuqale inkqubo ekubulaweni, owesibini - apha ekuhambeni ngokubulawa.
Kuba uluhlu ezingashukumiyo kwi Uchazo kufuneka imiselwe Inani izinto ezo ezingenako itshintshwe (ukwanda okanye ukuncipha) ebudeni bocwangciso. Xa inkqubo iqalisa, kusetyenziswa uluhlu ezingashukumiyo zosetyenziso abulawe kwinkumbulo inani le bytes ezabelwe ukugcina izinto zalo. Esi sixa imemori iya eyabelwe inkqubo logama nje sele bewugqibile umsebenzi wayo. Nokuba lo imemori lisusiwe, akukho enye ikhowudi akayi kuba nako ukufikelela kuyo.
ulwimi Pascal lokuprograma unako ukusebenza kuphela amaqoqo ezingashukumiyo. Ngoko ke, ukuba ufuna ukusebenza kulandelelwano ubude bume, unako ukuchaza isakhiwo, umzekelo, ngaphandle kokuba iimpawu ezilikhulu, kwaye ngexesha elinye ingasetyenziswa ngokuye iqela elahlukileyo lweziqalelo, esingadlulanga inani 100. Kwaye ngokuqinisekileyo asibobulumko.
Le ngxaki ayikho kwi ezihlangeneyo bume kuphuhliso Ugcino. A uluhlu ngentshukumo kuvumela ukuba inkcazo ayikhankanyi linani lweziqalelo, kwaye amisele sokusebenza yayo. A uluhlu nezakhi zinakho kuchazwe kwicandelo var ngolu hlobo lulandelayo:
Var Kuku: uluhlu udibaniso lwamaxabiso

Ngenxa yoko, isakhiwo, okhethwe isazisi Kuku, i ulandelelwano linear udibaniso ayaziwa (ngoko kude) ubude. Ukuseta isayizi, le nkqubo kufuneka basebenzise inkqubo SetLength, umzekelo, SetLength (Kuku, 9). uba Kuku eguquguqukayo uluhlu umlinganiselo lilingana nenani 9. Ngoku, oko kubonwe ukuba ngokulandelelana kukho izinto esithoba uhlobo elipheleleyo, zininzi kwiqanda. Ezi mpawu babe uluhlu olutshintshayo. Ugcino yinkqubo akhulule kukhunjulwa iseti yamanani, apho imfuneko yokugcina wanyamalala. Le nkqubo Ukugqibezela, kwimeko yethu iya kusetyenziswa ngolu hlobo lulandelayo: Igqibezela (Kuku).

Ngokufanayo, umntu unako ukuchaza nokusebenzisa kwimiboniso eguquguqukayo yoyilo in Ugcino. Umzekelo,-emibini isakhiwo ezinamandla ziya kuchazwa ngolu hlobo lulandelayo:
Var Kuku: uluhlu lwe uluhlu udibaniso lwamaxabiso
Ukuba kuyimfuneko, iintsika unokuba ubude ezahlukeneyo. Kwakhona zicaciswe Inkqubo SetLength.

Amaninzi, ngakumbi kwiinkqubo ezinkulu kunye nezintsonkothileyo, ezinye izakhiwo data zisetyenziswa ukususela kumaxesha ngamaxesha, okanye kuphela ekuqaleni / ekupheleni kwale nkqubo. Yaba "kwi reserve" wayeza kuba neyilahleko kakhulu ezakugcinwa kwinkumbulo. A uluhlu olutshintshatshintshayo - enye indlela ulwabiwo eyiyo kwezibonelelo kwenkqubo yekhompyutha. Nangona ezinye neengxaki. Okokuqala, akudli izinto iinombolo elula ukusuka ekuqaleni. Okwesibini, uhlelo kufuneka kusoloko aqondwe kwingongoma nganye ikhowudi, imeko uluhlu olutshintshayo. Kodwa izinto zawo ukwenza etyeni zonke ezi ngxaki. Ngokukodwa, ukuba ufuna ukuthumela ngaphandle umthamo omkhulu subroutine data, alikwazi ukwenza ngaphandle imo olutshintshayo umelo.

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