Tej txawj ntse nyob rau hauv cov tsiaj kingdom siv tej yam nyiam algorithms uas nthuav qhia tus kheej "xav". Peb yuav hais tias ib tug muaj feem dag intelligences yuav kuj siv tau ib yam dab tsi uas zoo sib xws. Nyob rau hauv lub meantime, rau qhov kev siv ntawm cov feem ntau zoo mus rau cov tib neeg xaav ntawm lub ntiaj teb no ua tsaug rau algorithms nrog branching. Thiab lawv yuav muab suav hais tias nyob rau hauv no tsab xov xwm piav qhia txog lawv cov logic thiab nta.
Yuav ua li cas yog lub algorithm nrog branching nyob rau hauv programming?
Ua ntej cov tswv yim mus rau lub ntsiab kawm, nws yog tsim nyog los ua ib tug me me digression rau hauv kev tshawb xav. Lub algorithm yog hu ua ib tug ntshiab ib theem zuj zus ntawm kev ua, uas aims mus cuag lub hom phiaj los yog daws tau qhov teeb meem. Lawv muab faib ua peb yam:
- Tawm.
- Nrog branching.
- Cyclic.
Peb txaus siab nyob rau hauv branching algorithm, li ntawd, nws tsuas yuav tau piav. Qhov no pab neeg muaj ib tug xaiv txoj kev los yog muaj nuj nqi, thiab nyob rau hauv tej yam tej yam kev mob, uas yog, thaum lub caij, muaj ib tug xaiv. Tus qauv ntawm xws li ib algorithm yog hu ua branching. Nws muab ib tug xaiv ntawm ob peb lwm txoj kev. Txhua lub paths (nyob rau hauv feem ntau tus neeg mob) ua rau ib qho chaw nyob rau hauv lub code. Branching yog ib qho tseem ceeb thiab thaum twg koj xav mus hla ib tug tej yam kev txiav txim. Siv nws thaum tus neeg siv yog nthuav nrog ib tug xaiv, thiab qhov kev xaiv yuav tsum tau nco txog yav tom ntej hauj lwm. Nyob rau hauv Feem ntau, pab tau thiab yooj yim cov algorithms nrog branching. Qib 6 raws txawm yuav tau to taub thiab siv txoj kev paub no mus xyaum. Yog hais tias koj muaj lus nug - nyeem tsab xov xwm, feem ntau yuav, lawv yuav tsis nyob twj ywm tom qab tus txheej txheem no yog ua kom tiav.
Siv cov algorithms nrog branching
Nws cia li thiaj li tshwm sim hais tias ib tug teeb meem uas txhua yam yuav ua tau uas tsis muaj kev xaiv yog insignificant tsis zoo li, yog li ntawd koj yuav tsum xav hais tias los ntawm dab tsi xaiv yuav muaj feem tshwm sim. Yog li ntawd, yog nqus tau ib tug thaum uas tig mus nrog lub neej, koj yuav tau coj ib tug classic piv txwv ntawm cov huab cua: yog hais tias nws yog kub nraum zoov, koj yuav tsum tau hnav ib lub T-shirt thiab luv thaum nws snows - tsho. Tshwm sim thiab ntau xaiv, uas tej zaum yuav cuam tshuam rau lub neej yav tom ntej lub neej ntawm ib tug neeg (los yog ua hauj lwm qhov kev pab cuam). Algorithms txawv los ntawm lub complexity ntawm kev nthuav dav thiab piav qhia ntawm cov kauj ruam. Yog li ntawd, cia li ib tug limited hauj lwm muaj peev xwm yuav siv tau los ua ib tug benchmark rau koj tus kheej (yog dab tsi thiab yuav ua li cas yuav tsum ua hauj lwm). Tiam sis nrog lub computer ces tus ua kom pom tseeb tsis yog ib tug lub caij. Nws yuav tsum tau ib kauj ruam yog kauj ruam cov tshuaj rau txhua qhov teeb meem. Lub algorithm yuav branching uas, nyob rau hauv lem, tej zaum yuav mus ntxiv yuav luag indefinitely. Txawm tias nyob rau hauv kev xyaum lub editing ntawm qhov teeb meem no yog daim ntawv sau code. Yuav kom muab ib txhia xav, peb muaj mus ntsib nrog cov ntaub ntawv:
- Tej yam yooj yim. Yog hais tias koj xav tau kev noj qab nyob, koj tau mus ua si kev ua si.
- Complex. Muaj yog ib tug lub siab xav mus yuav noj qab nyob zoo? Yog hais tias muaj, ces mus nyob rau hauv cov kev ua si. Yog hais tias tsis yog, dag rau lub rooj zaum thiab saib TV.
- Complex daim ntawv nrog tsis tiav branching. Koj yuav tsum mus nyob sab nraum. Puas muaj cov nag los? Yog hais tias tsis tau, koj muaj peev xwm cia li tawm. Yog hais tias muaj yog ib tug - coj ib tug kaus. Thiab ces tawm mus.
Cov creation ntawm algorithms nyob rau hauv general
Ntawm no koj tsim ib qho algorithm nrog branching, nyob rau hauv uas qhov kev pab cuam yuav khiav. Yog hais tias muaj yog ib tug muaj siab no los qhia txog cov kev xaiv ntawm ib tug schematic, koj yuav txoj kev cov pob zeb diamond. Tswv yim denote teeb liab kis tau tus mob, thiab muab faib rau cov lus teb nqa tawm nyob rau hauv seem peb sab. Qhov no tsis tas siv tag nrho cov ntawm lawv: cia li ob tug. Rhombus, los ntawm txoj kev, yog cov ceg xov tooj, uas yog siv los xa mus rau qhov kev txiav txim. Tab sis peb khiav mus rau hauv ib tug me ntsis pem hauv ntej. Yuav ua li cas mus pib tej hauj lwm? Nyob rau tau txais daim ntawv ntawm cov ntaub ntawv! Nyob rau hauv kev tsim kho ntawm lub algorithm tsis txhob hnov qab kom meej seb cov ntaub ntawv uas peb yuav ua hauj lwm. Tsis tas li ntawd, yuav tsum yeej ib txwm yuav cov zajlus kom xaus. Tom qab tag nrho, ib tug algorithm uas paub qhov twg lov yuav ua rau ib tug "perpetual" siv cov processor, thiab qhov kev ua si cia li freezes. Uas, ntawm chav kawm, yuav ua rau ib tug tsis zoo tshuaj tiv thaiv.
Yuav ua li cas yog yuav tsum tau mus ua tau ib lub schema thiab cov tswv yim kev siv ntawm cov algorithm?
Ua ntej cov tswv yim mus rau lub depiction ntawm lub tswvyim, nws yog tsim nyog los kawm zoo, uas yog lub luag hauj lwm rau dab tsi, yog li ntawd muaj yog tsis muaj cov zajlus kom tsis nyob rau hauv lub neej yav tom ntej. Nws tseem yog tsim nyog kom paub tag nrho cov nuances ntawm qhov kev siv ntawm algorithms nrog branching rau lub programming lus nyob rau hauv uas koj npaj sau ib qho kev pab. Nyob rau hauv kev txiav txim kom tsis txhob muaj teeb meem nyob rau hauv lub neej yav tom ntej, koj yuav tau xyum lawv cov kev txawj nyob rau hauv lub "huv slate." Tom qab tag nrho, yog hais tias peb to taub yuav ua li cas tej yam uas ua hauj lwm, qhov kev siv ntawm feem ntau ntawm cov sij hawm tsis muaj teeb meem. Yog hais tias koj ua raug teeb meem, sim los tsim ib qho algorithm yam tsawg kawg nkaus operating cov kauj ruam, kom paub tias cov teeb meem no.
Tshwj xeeb tshaj yog thaum uas tsim
Tej branching yuav ua tau kev txom. Yog li ntawd, thaum lawv tau tsim yuav tsis txwv koj tus kheej mus rau lub xov tooj ntawm cov nqe lus (Txawm hais tias nyob rau hauv lub kawg ntxiv ntawm lawv, qhov ntau nyuaj rau next). Tsis tas li ntawd ib tug me ntsis ntawm tiav thiab tsis tiav branching. Yuav ua li cas yog cov thawj, tej zaum, kom nkag siab. Thiab nyob rau hauv dab tsi zaum ib nrab thiab yuav ua li cas los mus txiav txim hais tias nws yog tsim nyog? Yog hais tias muaj yog ib tug yuav tsum tau nqa tawm ntxiv tej yam ua nyob rau hauv kev twb kev txuas nrog cov feature ntawm cov qauv ntawm cov kev pab cuam, thiab nyob rau tib lub sij hawm muaj kev tsuas muaj mus ntxiv, los yog yuav tau nias lub kab ntawm code qhov twg lawv yuav tsis muab - qhov no yog raws nraim cov ntaub ntawv. Thiab qhov kev siv ntawm lub tswvyim yuav tsis tau ua kom tiav, tab sis rau siab siv nws cov functionality.
Piv txwv li
Cia peb mus kawm txoj kev paub no yog ib qho zoo, peb yuav tsum to taub nrog tag nrho cov hais cov lus qhia siv ib tug yooj yim applets. Tom qab tag nrho, tab sis yog tus algorithm yog lub teeb nrog branching, piv txwv yuav to taub zoo dua li cas thiab yuav ua li cas. Wb hais tias koj nyob nraum sau ib tug yooj yim qho khoom ua si, nyob rau hauv uas lub tshuaj tus neeg ua cim yuav tsum tau tam sim ntawd los ntawm lub computer cim. Yog hais tias hu tshwm sim nruab nrab ntawm lawv, ces tom qab ib tug luv luv lub sij hawm ntawm lub sij hawm nws yog nqa tawm ib co kev txiav txim (cim pib khiav qeeb qeeb los yog feem ntau loses). Yuav ua li cas thiab yuav ua li cas yuav ua li cas no - cov kev xaiv yog koj li. Tab sis tseem yuav tsum tau suav hais tias ib facet ntawm ntau yam kev ua ub no uas yuav qhib rau lub programmer siv nws lub tswv yim. Yog li ntawd, koj muaj peev xwm coj cov "lub neej" ntawm cov ua cim los yog ua rau ib tug neeg ib tug hero tswj mus kom ib co tsi nyhuv yog qeeb, thiab nws yog zoo, thaum ua hauj lwm kev voj voog, uas, nyob rau hauv lem, ua hauj lwm nyob rau hauv ib tug tej lub sij hawm luv. Lub zaum kawg xaiv yog koj li.
afterword
Yog li ntawd, nyob rau hauv lub kawg ntawm kev soj ntsuam tsim nyog los nqa dab tsi tau hais saum toj no. Lug tau sai dlua lub Cheebtsam ntawm lub cajmeem, nrog rau algorithms nrog branching, nws tsis yog nyuaj, yog tias zoo sim. Nws yog tsim nyog los kawm tag nrho yog dab tsi tsim nyog mus ua hauj lwm. Nws tseem yog pab tau rau qhov zoo tshaj plaws cov neeg yuav tsum tau lub tswv yim kev siv ntawm cov kis tau paub. Koj yuav tau pib nrog ib yam dab tsi yooj yim, ua hauj lwm los ntawm lub algorithm rau ntawm daim ntawv los yog nyob rau hauv ib tug hluav taws xob cov ntaub ntawv, maj mam hloov nws mus rau lub IDE.