Video: Multiway xaiv yog dab tsi?
2024 Tus sau: Lynn Donovan | [email protected]. Kawg hloov kho: 2023-12-15 23:47
Kev xaiv ntau txoj kev tso cai rau tus neeg siv xaiv los ntawm ntau tshaj ob txoj kev xaiv. Hauv Pseudocode, cov ntsiab lus siv rau xaiv ntau txoj kev suav nrog CASEWHERE, OTHERWISE thiab ENDCASE.
Tsis tas li ntawd nug, ntau txoj kev xaiv nqe lus hauv C yog dab tsi?
A ntau - txoj kev xaiv nqe lus yog siv los ua ntau tshaj ib qho ntawm cov kev xaiv ntawm ib pawg nqe lus nthuav tawm. Syntax ntawm lub ntau - txoj kev xaiv nqe lus : hloov (EXPRESSION) { rooj plaub CONSTANT1: ib lossis ntau dua nqe lus ; tawg; case CONSTANT2: ib los yog ntau tshaj nqe lus ; tawg; [default: ib los yog ntau tshaj nqe lus ;] }
Ib tug kuj yuav nug, cov nqe lus xaiv hauv C yog dab tsi? - Cov lus xaiv : if and switch – Iteration nqe lus : while, do, and for – Dhia nqe lus : tawg, txuas ntxiv, thiab goto. (rov qab kuj belongs rau qeb no.) Ob peb ntawm C cov lus hais yuav tsum sim tus nqi ntawm ib qho kev qhia kom pom tias nws yog "tseeb" lossis "false" qhia kom pom tias nws yog qhov tseeb lossis cuav.
Yog li ntawd, cov lus xaiv sib txawv yog dab tsi?
Peb hom ntawm cov lus xaiv . Ua ib qho kev nqis tes ua, yog tias qhov xwm txheej muaj tseeb; hla nws, yog tsis muaj tseeb. Ib leeg- nqe lus xaiv -xaiv lossis tsis quav ntsej ib qho kev txiav txim (lossis pab pawg ua haujlwm).
Puas yog cov lus hais txog ntau txoj kev?
Multiway ceg yog qhov kev hloov pauv mus rau qhov kev tswj hwm kev khiav dej num raws li tus nqi sib piv cov qauv xaiv. Nws yog ib daim ntawv ntawm conditional nqe lus.
Pom zoo:
Hom kev ntsuam xyuas nco dab tsi yog lo lus nug ntau yam xaiv?
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