ĩվ

ҳ
ص
С
290 ɱ¾֮ (1/2)
   ǩ ܹ Ŀ¼
    һĿűеľϵͳȴʹⷢIJ󣬵ֻһָɱУ˸Dz㲻۵ĺɫԡ

    Դb.b.dڡɻӰijںϵͳܽһ嵥Ԫ

    ֱʹԴb.b.dΪڷ仯ʧȥĸ֮Ѿ̶һһ

    ͨʹõb.b.dֳ塯ȻԴԪĸƷһʱʵӦк׾ͿԷ֣ʵûĸȫֻԴb.b.dڡʵάȡͶӰĿ

    ǵģͶӰ

    Ѿȷϣ񡮲DZߡڿԼDZ塷һԴb.b.dƵĸ߼̼ͬųʵάȡ֮IJ֣ĿǰܹģֻDZɽһǡ

    ļϵͳһαװļͨõֻDZڱIJ֡ףĿǰ̵㣬װԴb.b.dĴ㶮ŪҸƻ֮󣬲һb.b.d

    ˣb.b.dֳ幹ɵġϣڿеʱּͬٿ׵ͬʱͺԥֱӸԴb.b.dϾڴڷdzäĿ״̬ץסĿǰʱռݵƣ߾ȫжԡĸסв

    Դb.b.dΪroot޲ߵijȨ޲ȻѾɥʧ˴ȾֻҪܹԷ˻ϵͳڣƾ޷ȥԾܿԴԴϵĸֳϿԷжһóķչʱ䡢γɶѭֱܹӴĨɱĿꡪʧȥƵĵ׾ܴݻϵͳ

    indexsort

    вԷֹʲôȻںޱϵԴѰľḻӦδ֪ľ飬Ӧٵ˲Լ֮ٻa.i.Ĵڵδ֪Ĺ

    һǶͯߡʺľس嵲ǰӴһɲǣԴb.b.dϢĿʼ̣ȻɫĹԸողʺڲһ˿indexsortͻȻֽ⿪ֱ˷ӴһʣIJһ±һСһŵIJʺ

    

    һüͷΪԷ⡮βһɵʽΪڸղŵĶݽӴУֶԷa.i.indexsortͬ򵥵ţľӾֲֻͬɫĽṹªľǶͯͿѻ

    ʲô

    еľ֮ԣԴָĹΣգûղⶫô¡ֻǽӴûյκζ˿ڱϢġindexsortֱӲa.i.Ϊ˼ԴѰϾбȽƵġУ顯͡롯ܵĻ»⣡

    ƶŲɣΪһ˲䣬a.i.⵽УﱾҲһĪĿ־塪֤Է˻ʩӰ졣

    ǰԭΪˣ˿ĿѾͷв

    ڶݵľȹͲٹ˼ɵʹȫ֮䶯һȫʼСȵЩ䶯ΧһжͻȻʱһͻɬϣһצֻмʮ׵ľ룬ȴͬ˹׷ڹ۹һƺԶҲӽˡ

    ۾ͬܵͻȻӵġ˼άȻڰԭٶȷָӦȴȻѹؾʯɵʯһٶ۶ӲһڷdzԵĸӶ񻯡

    ǶԷʩչֹ

    IJǿҵĽȸСȻ磬Դb.b.dǶϵһDz֮жֻ鷳вؼǶԷĿǡ衯ûԼ

    ٱϽ9뿨״̬

    ˼תţһԺΪλ

    ǿʱõռ༴ֳb.b.d岢ǰʱ

    DZߡɢ֮ʼûлӦ˿޷ٳ

290 ɱ¾֮ (1/2),һҳĶ
һ Ŀ¼ һҳ