Ukubalwa kwamanani omsebenzi kubonisa inqanaba lobunzima, ukusuka kwizinto ezilula ukuya kwezona zinzima kakhulu. Ukuba unazo naziphi na izimvo, imibuzo okanye iingcebiso: sibhalele apha info @bloginnovazione.it
Inani eliphambili linani elipheleleyo elingaphezulu kuno-1 okuphela kwezahluli ngu-1 kwaye ngokwakhe, njengo -2, 3, 5, 7, 11, njl.
Umzekelo, u-17 linani eliyiprime number kuba lahlulwa ngo-1 no-17 kuphela. Noko ke, u-18 akalonani eliphambili kuba lahlulwa ngo-2, 3, 6, 9 kunye nenani ngokwalo. Ezi ziindlela ezininzi zokuprinta inani eliphambili phakathi kwe-1 kunye ne-100 kulwimi lweprogram ye-PHP.
Le khowudi ilandelayo iprinta uluhlu lwamanani aphambili phakathi ko-1 kunye no-50 (oko kukuthi, amanani angohlulwayo yiyo nantoni na ngaphandle ko-1 okanye inani ngokwalo) usebenzisa i-loop yaxa.
<?php
$limit = 50;
$init = 2;
while(TRUE)
{
$div = 2;
if($init > $limit)
{
break;
}
while(TRUE)
{
if($div > sqrt($init))
{
echo $init." ";
break;
}
if($init % $div == 0)
{
break;
}
$div = $div + 1;
}
$init = $init + 1;
}
Kwisisombululo sinee-loops ezimbini ngelixa. Uvavanyo lwangaphakathi ngelixa loop nayo yonke isahluli esinokwenzeka. Ukuba i-loop yangaphakathi ifumana isahluli, inani aliyiyo i-prime, ngoko liyayeka ngaphandle kokushicilela nantoni na, kwaye ukuba uvavanyo luhamba yonke indlela ukuya kwingcambu yenani, sinokucinga ukuba inani liyiprime. Umjikelo wangaphandle uhamba kuwo onke amanani phakathi kwe-1 kunye ne-50. Le loop yophukile xa sifikelele kwindawo yoqhawulo lwamanani ukuvavanya.
BlogInnovazione.it
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