2024 Tus sau: Elizabeth Oswald | [email protected]. Kawg hloov kho: 2024-01-13 00:07
Yog tias koj tau pom, lub sijhawm nyuaj ntawm Quicksort Quicksort Quicksort yog kev faib-thiab-tiav algorithm. Nws ua haujlwm los ntawm kev xaiv lub ntsiab lus 'piot' los ntawm array thiab muab faib rau lwm cov ntsiab lus rau hauv ob lub sub-arrays, raws li seb lawv tsawg dua lossis ntau dua li pivot. … Cov sub-arrays ces sorted recursively. https://en.wikipedia.org › wiki › Quicksort
Quicksort - Wikipedia
yog O(n logn) hauv qhov zoo tshaj plaws thiab qhov xwm txheej nruab nrab thiab O(n^2) hauv qhov phem tshaj plaws. Tab sis txij li nws muaj sab tes xis nyob rau hauv qhov nruab nrab qhov teeb meem rau feem ntau inputs, Quicksort feem ntau suav hais tias yog "ces" sorting algorithm.
Qhov twg yog qhov ceev tshaj plaws sorting algorithm xaj?
Lub sijhawm nyuaj ntawm Quicksort yog O (n log n) hauv qhov zoo tshaj plaws, O (n log n) hauv qhov nruab nrab, thiab O (n^2) hauv qhov phem tshaj. Tab sis vim tias nws muaj qhov ua tau zoo tshaj plaws hauv qhov nruab nrab rau feem ntau cov tswv yim, Quicksort feem ntau suav tias yog "ces" sorting algorithm.
Puas yog kev sib koom ua ke sai dua Quicksort?
Kev sib koom ua ke yog ntau dua thiab ua haujlwm nrawm dua li nrawm dua nyob rau hauv rooj plaub ntawm cov array loj lossis cov ntaub ntawv. Kev txheeb xyuas ceev yog qhov ua tau zoo dua thiab ua haujlwm sai dua li kev sib koom ua ke hauv cov ntaub ntawv me me lossis cov ntaub ntawv. sorting method: Txoj kev ceev ceev yog kev txheeb xyuas sab hauv qhov twg cov ntaub ntawv raug txheeb xyuas hauv lub cim xeeb loj.
Yuav ua li cas thiaj ua tau thiab nrawm?
Quicksort . Quicksort yog ib qho ntawm cov kev txheeb xyuas tau zoo tshaj plaws, thiab qhov no ua rau nws yog ib qho ntawm feem ntau siv thiab. Thawj qhov uas yuav tsum tau ua yog xaiv tus lej pivot, tus lej no yuav cais cov ntaub ntawv, ntawm nws sab laug yog cov lej me dua nws thiab cov lej ntau dua ntawm sab xis.
Yuav ua li cas cais cov tshuab nrawm dua?
Hauv kev xyaum, Quick Sort feem ntau yog qhov ceev tshaj plaws sorting algorithm. Nws qhov kev ua tau zoo yog ntsuas feem ntau hauv O (N × cav N). Qhov no txhais tau hais tias cov algorithm ua rau N × cav N sib piv los txheeb N ntsiab.
Pom zoo:
Dab tsi yog qhov kev nrawm nrawm nrawm?
Spike Rush yog a nrawm-paced game mode. Lub sij hawm ua ntej ib puag ncig raug txo mus rau 20 vib nas this (feem ntau 30) thiab lub sijhawm ua si raug txo mus rau 80 vib nas this (feem ntau 100). Thaum cov neeg tawm tsam muaj sijhawm tsawg dua los cog, lawv kuj muaj qhov zoo ntawm txhua tus neeg ua si uas muaj qhov dav.
Peb qhov twg yog qhov yuav tsum tau ua ua ntej rau kev ua kom nrawm nrawm nrawm?
Cov yam yuav tsum tau ua ua ntej yuav tsum tau ua kom ua tau kom pib ua tsis tau sai: Tus broker configuration yuav tsum ua hauj lwm nyob rau hauv siab tshaj plaws muaj los yog siab tshaj plaws kev kawm hom. Cov ntaub ntawv tseem ceeb yuav tsum tau teeb tsa nrog cov ntaub ntawv rov ua dua tshiab.
Puas yog cov kev xav ntawm cov txheej txheem txheeb xyuas paub zoo tau kuaj xyuas?
Nws tau pom tias qhov kev xav ntawm cov tswv yim tsis tshua tau kuaj xyuas, thiab yog tias lawv yog, nws tsis tu ncua los ntawm kev ntsuas ntsuas. … Cov ntaub ntawv no qhia tias kev tshuaj xyuas kev ua txhaum cai ntawm cov kev xav tsis yog ib qho kev xaiv zoo, thiab kev siv cov ntaub ntawv txheeb cais tuaj yeem piav qhia tau zoo.
Qhov twg tag nrho cov nqi hluav taws xob nyob ntawm qhov kev siv nyiaj siab tshaj plaws yog qhov twg?
marginal utility is zero. Tag nrho cov nqi hluav taws xob yog siab tshaj thaum marginal utility yog xoom. Qhov no yog vim muaj ntau txoj cai ntawm kev txo qis marginal utility uas hais tias tus neeg siv khoom noj ntau thiab ntau qhov zoo, qhov ntxiv rau tag nrho cov nqi hluav taws xob poob.
Thaum twg los siv qhov kev ua kom zoo tshaj plaws hauv kev tshaj tawm?
Pushdown Optimization yog siv los nce cov ntaub ntawv ua haujlwm tau zoo heev. Ib txwm ua cov ntaub ntawv ntawm qib database sai dua li kev ua cov ntaub ntawv hauv qib Informatica. Vim li cas peb thiaj li siv kev ua kom zoo tshaj plaws hauv Informatica?
