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<HTML><HEAD> <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>发信人: thinkin (强强), 信区: Linux <BR>标 题: odd and even <BR>发信站: BBS 水木清华站 (Thu Feb 17 11:04:59 2000) <BR> <BR><? <BR>//returns 1 if $num is odd number, and returns 0 if $num is even number. <BR>//婏悢偺帪偵侾傪丄嬼悢偺帪偵侽傪曉偟傑偡丅(婏悢偺偲偒偵TRUE傪曉偡乯 <BR>function odd_even($num){ <BR> if(!is_long($num/2)){ <BR> $rtn = 1; <BR> }else{ <BR> $rtn = 0; <BR> } <BR> return $rtn; <BR>} <BR>//ex: <BR>$num = 5; //number you use. <BR>if(!odd_even($num)){ <BR> print( "the number is even"); <BR>}else{ <BR> print( "the number is odd"); <BR>} <BR>?> <BR>-- <BR> <BR>人生到处知何似? <BR> 应似飞鸿踏雪泥。 <BR> 泥上偶然留指爪, <BR> 鸿飞那复计东西! <BR> <BR> <BR>※ 来源:·BBS 水木清华站 smth.org·[FROM: 162.105.37.191] <BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>
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