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鍗充簩鍙夋悳绱㈡爲錛?/span>
1.鎵鏈夐潪鍙跺瓙緇撶偣鑷沖鎷ユ湁涓や釜鍎垮瓙錛?/span>Left鍜?/span>Right錛夛紱
2.鎵鏈夌粨鐐瑰瓨鍌ㄤ竴涓叧閿瓧錛?/span>
3.闈炲彾瀛愮粨鐐圭殑宸︽寚閽堟寚鍚戝皬浜庡叾鍏抽敭瀛楃殑瀛愭爲錛屽彸鎸囬拡鎸囧悜澶т簬鍏跺叧閿瓧鐨勫瓙鏍戯紱
濡傦細
B鏍戠殑鎼滅儲錛屼粠鏍圭粨鐐瑰紑濮嬶紝濡傛灉鏌ヨ鐨勫叧閿瓧涓庣粨鐐圭殑鍏抽敭瀛楃浉絳夛紝閭d箞灝卞懡涓紱鍚﹀垯錛屽鏋滄煡璇㈠叧閿瓧姣旂粨鐐瑰叧閿瓧灝忥紝灝辮繘鍏ュ乏鍎垮瓙錛涘鏋滄瘮緇撶偣鍏抽敭瀛楀ぇ錛屽氨榪涘叆鍙沖効瀛愶紱濡傛灉宸﹀効瀛愭垨鍙沖効瀛愮殑鎸囬拡涓虹┖錛屽垯鎶ュ憡鎵句笉鍒扮浉搴旂殑鍏抽敭瀛楋紱
濡傛灉B鏍戠殑鎵鏈夐潪鍙跺瓙緇撶偣鐨勫乏鍙沖瓙鏍戠殑緇撶偣鏁扮洰鍧囦繚鎸佸樊涓嶅錛堝鉤琛★級錛岄偅涔?/span>B鏍戠殑鎼滅儲鎬ц兘閫艱繎浜屽垎鏌ユ壘錛涗絾瀹冩瘮榪炵畫鍐呭瓨絀洪棿鐨勪簩鍒嗘煡鎵劇殑浼樼偣鏄紝鏀瑰彉B鏍戠粨鏋勶紙鎻掑叆涓庡垹闄ょ粨鐐癸級涓嶉渶瑕佺Щ鍔ㄥぇ孌電殑鍐呭瓨鏁版嵁錛岀敋鑷抽氬父鏄父鏁板紑閿錛?/span>
濡傦細
浣?/span>B鏍戝湪緇忚繃澶氭鎻掑叆涓庡垹闄ゅ悗錛屾湁鍙兘瀵艱嚧涓嶅悓鐨勭粨鏋勶細
鍙寵竟涔熸槸涓涓?/span>B鏍戯紝浣嗗畠鐨勬悳绱㈡ц兘宸茬粡鏄嚎鎬х殑浜嗭紱鍚屾牱鐨勫叧閿瓧闆嗗悎鏈夊彲鑳藉鑷翠笉鍚岀殑鏍戠粨鏋勭儲寮曪紱鎵浠ワ紝浣跨敤B鏍戣繕瑕佽冭檻灝藉彲鑳借B鏍戜繚鎸佸乏鍥劇殑緇撴瀯錛屽拰閬垮厤鍙沖浘鐨勭粨鏋勶紝涔熷氨鏄墍璋撶殑“騫寵 ”闂錛?/span>
瀹為檯浣跨敤鐨?/span>B鏍戦兘鏄湪鍘?/span>B鏍戠殑鍩虹涓婂姞涓婂鉤琛$畻娉曪紝鍗?#8220;騫寵 浜屽弶鏍?#8221;錛涘浣曚繚鎸?/span>B鏍戠粨鐐瑰垎甯冨潎鍖鐨勫鉤琛$畻娉曟槸騫寵 浜屽弶鏍戠殑鍏抽敭錛涘鉤琛$畻娉曟槸涓縐嶅湪B鏍戜腑鎻掑叆鍜屽垹闄ょ粨鐐圭殑絳栫暐錛?/span>
B-鏍?/span>
鏄竴縐嶅璺悳绱㈡爲錛堝茍涓嶆槸浜屽弶鐨勶級錛?/span>
1.瀹氫箟浠繪剰闈炲彾瀛愮粨鐐規(guī)渶澶氬彧鏈?/span>M涓効瀛愶紱涓?/span>M>2錛?/span>
2.鏍圭粨鐐圭殑鍎垮瓙鏁頒負[2, M]錛?/span>
3.闄ゆ牴緇撶偣浠ュ鐨勯潪鍙跺瓙緇撶偣鐨勫効瀛愭暟涓?/span>[M/2, M]錛?/span>
4.姣忎釜緇撶偣瀛樻斁鑷沖皯M/2-1錛堝彇涓婃暣錛夊拰鑷沖M-1涓叧閿瓧錛涳紙鑷沖皯2涓叧閿瓧錛?/span>
5.闈炲彾瀛愮粨鐐圭殑鍏抽敭瀛椾釜鏁?/span>=鎸囧悜鍎垮瓙鐨勬寚閽堜釜鏁?/span>-1錛?/span>
6.闈炲彾瀛愮粨鐐圭殑鍏抽敭瀛楋細K[1], K[2], …, K[M-1]錛涗笖K[i] < K[i+1]錛?/span>
7.闈炲彾瀛愮粨鐐圭殑鎸囬拡錛?/span>P[1], P[2], …, P[M]錛涘叾涓?/span>P[1]鎸囧悜鍏抽敭瀛楀皬浜?/span>K[1]鐨勫瓙鏍戯紝P[M]鎸囧悜鍏抽敭瀛楀ぇ浜?/span>K[M-1]鐨勫瓙鏍戯紝鍏跺畠P[i]鎸囧悜鍏抽敭瀛楀睘浜?/span>(K[i-1], K[i])鐨勫瓙鏍戯紱
8.鎵鏈夊彾瀛愮粨鐐逛綅浜庡悓涓灞傦紱
濡傦細錛?/span>M=3錛?/span>
B-鏍戠殑鎼滅儲錛屼粠鏍圭粨鐐瑰紑濮嬶紝瀵圭粨鐐瑰唴鐨勫叧閿瓧錛堟湁搴忥級搴忓垪榪涜浜屽垎鏌ユ壘錛屽鏋滃懡涓垯緇撴潫錛屽惁鍒欒繘鍏ユ煡璇㈠叧閿瓧鎵灞炶寖鍥寸殑鍎垮瓙緇撶偣錛涢噸澶嶏紝鐩村埌鎵瀵瑰簲鐨勫効瀛愭寚閽堜負絀猴紝鎴栧凡緇忔槸鍙跺瓙緇撶偣錛?/span>
B-鏍戠殑鐗規(guī)э細
1.鍏抽敭瀛楅泦鍚堝垎甯冨湪鏁撮鏍戜腑錛?/span>
2.浠諱綍涓涓叧閿瓧鍑虹幇涓斿彧鍑虹幇鍦ㄤ竴涓粨鐐逛腑錛?/span>
3.鎼滅儲鏈夊彲鑳藉湪闈炲彾瀛愮粨鐐圭粨鏉燂紱
4.鍏舵悳绱㈡ц兘絳変環(huán)浜庡湪鍏抽敭瀛楀叏闆嗗唴鍋氫竴嬈′簩鍒嗘煡鎵撅紱
5.鑷姩灞傛鎺у埗錛?/span>
鐢變簬闄愬埗浜嗛櫎鏍圭粨鐐逛互澶栫殑闈炲彾瀛愮粨鐐癸紝鑷沖皯鍚湁M/2涓効瀛愶紝紜繚浜嗙粨鐐圭殑鑷沖皯鍒╃敤鐜囷紝鍏舵渶搴曟悳绱㈡ц兘涓猴細
鍏朵腑錛?/span>M涓鴻瀹氱殑闈炲彾瀛愮粨鐐規(guī)渶澶氬瓙鏍戜釜鏁幫紝N涓哄叧閿瓧鎬繪暟錛?/span>
鎵浠?/span>B-鏍戠殑鎬ц兘鎬繪槸絳変環(huán)浜庝簩鍒嗘煡鎵撅紙涓?/span>M鍊兼棤鍏籌級錛屼篃灝辨病鏈?/span>B鏍戝鉤琛$殑闂錛?/span>
鐢變簬M/2鐨勯檺鍒訛紝鍦ㄦ彃鍏ョ粨鐐規(guī)椂錛屽鏋滅粨鐐瑰凡婊★紝闇瑕佸皢緇撶偣鍒嗚涓轟袱涓悇鍗?/span>M/2鐨勭粨鐐癸紱鍒犻櫎緇撶偣鏃訛紝闇灝嗕袱涓笉瓚?/span>M/2鐨勫厔寮熺粨鐐瑰悎騫訛紱
B+鏍?/span>
B+鏍戞槸B-鏍戠殑鍙樹綋錛屼篃鏄竴縐嶅璺悳绱㈡爲錛?/span>
1.鍏跺畾涔夊熀鏈笌B-鏍戝悓錛岄櫎浜嗭細
2.闈炲彾瀛愮粨鐐圭殑瀛愭爲鎸囬拡涓庡叧閿瓧涓暟鐩稿悓錛?/span>
3.闈炲彾瀛愮粨鐐圭殑瀛愭爲鎸囬拡P[i]錛屾寚鍚戝叧閿瓧鍊煎睘浜?/span>[K[i], K[i+1])鐨勫瓙鏍戯紙B-鏍戞槸寮鍖洪棿錛夛紱
5.涓烘墍鏈夊彾瀛愮粨鐐瑰鍔犱竴涓摼鎸囬拡錛?/span>
6.鎵鏈夊叧閿瓧閮藉湪鍙跺瓙緇撶偣鍑虹幇錛?/span>
濡傦細錛?/span>M=3錛?/span>
B+鐨勬悳绱笌B-鏍戜篃鍩烘湰鐩稿悓錛屽尯鍒槸B+鏍戝彧鏈夎揪鍒板彾瀛愮粨鐐規(guī)墠鍛戒腑錛?/span>B-鏍戝彲浠ュ湪闈炲彾瀛愮粨鐐瑰懡涓級錛屽叾鎬ц兘涔熺瓑浠蜂簬鍦ㄥ叧閿瓧鍏ㄩ泦鍋氫竴嬈′簩鍒嗘煡鎵撅紱
B+鐨勭壒鎬э細
1.鎵鏈夊叧閿瓧閮藉嚭鐜板湪鍙跺瓙緇撶偣鐨勯摼琛ㄤ腑錛堢瀵嗙儲寮曪級錛屼笖閾捐〃涓殑鍏抽敭瀛楁伆濂芥槸鏈夊簭鐨勶紱
2.涓嶅彲鑳藉湪闈炲彾瀛愮粨鐐瑰懡涓紱
3.闈炲彾瀛愮粨鐐圭浉褰撲簬鏄彾瀛愮粨鐐圭殑绱㈠紩錛堢█鐤忕儲寮曪級錛屽彾瀛愮粨鐐圭浉褰撲簬鏄瓨鍌紙鍏抽敭瀛楋級鏁版嵁鐨勬暟鎹眰錛?/span>
4.鏇撮傚悎鏂囦歡绱㈠紩緋葷粺錛?/span>
B*鏍?/span>
鏄?/span>B+鏍戠殑鍙樹綋錛屽湪B+鏍戠殑闈炴牴鍜岄潪鍙跺瓙緇撶偣鍐嶅鍔犳寚鍚戝厔寮熺殑鎸囬拡錛?/span>
B*鏍戝畾涔変簡闈炲彾瀛愮粨鐐瑰叧閿瓧涓暟鑷沖皯涓?/span>(2/3)*M錛屽嵆鍧楃殑鏈浣庝嬌鐢ㄧ巼涓?/span>2/3錛堜唬鏇?/span>B+鏍戠殑1/2錛夛紱
B+鏍戠殑鍒嗚錛氬綋涓涓粨鐐規(guī)弧鏃訛紝鍒嗛厤涓涓柊鐨勭粨鐐癸紝騫跺皢鍘熺粨鐐逛腑1/2鐨勬暟鎹鍒跺埌鏂扮粨鐐癸紝鏈鍚庡湪鐖剁粨鐐逛腑澧炲姞鏂扮粨鐐圭殑鎸囬拡錛?/span>B+鏍戠殑鍒嗚鍙獎鍝嶅師緇撶偣鍜岀埗緇撶偣錛岃屼笉浼氬獎鍝嶅厔寮熺粨鐐癸紝鎵浠ュ畠涓嶉渶瑕佹寚鍚戝厔寮熺殑鎸囬拡錛?/span>
B*鏍戠殑鍒嗚錛氬綋涓涓粨鐐規(guī)弧鏃訛紝濡傛灉瀹冪殑涓嬩竴涓厔寮熺粨鐐規(guī)湭婊★紝閭d箞灝嗕竴閮ㄥ垎鏁版嵁縐誨埌鍏勫紵緇撶偣涓紝鍐嶅湪鍘熺粨鐐規(guī)彃鍏ュ叧閿瓧錛屾渶鍚庝慨鏀圭埗緇撶偣涓厔寮熺粨鐐圭殑鍏抽敭瀛楋紙鍥犱負鍏勫紵緇撶偣鐨勫叧閿瓧鑼冨洿鏀瑰彉浜嗭級錛涘鏋滃厔寮熶篃婊′簡錛屽垯鍦ㄥ師緇撶偣涓庡厔寮熺粨鐐逛箣闂村鍔犳柊緇撶偣錛屽茍鍚勫鍒?/span>1/3鐨勬暟鎹埌鏂扮粨鐐癸紝鏈鍚庡湪鐖剁粨鐐瑰鍔犳柊緇撶偣鐨勬寚閽堬紱
鎵浠ワ紝B*鏍戝垎閰嶆柊緇撶偣鐨勬鐜囨瘮B+鏍戣浣庯紝絀洪棿浣跨敤鐜囨洿楂橈紱
灝忕粨
B鏍戯細浜屽弶鏍戯紝姣忎釜緇撶偣鍙瓨鍌ㄤ竴涓叧閿瓧錛岀瓑浜庡垯鍛戒腑錛屽皬浜庤蛋宸︾粨鐐癸紝澶т簬璧板彸緇撶偣錛?/span>
B-鏍戯細澶氳礬鎼滅儲鏍戯紝姣忎釜緇撶偣瀛樺偍M/2鍒?/span>M涓叧閿瓧錛岄潪鍙跺瓙緇撶偣瀛樺偍鎸囧悜鍏抽敭瀛楄寖鍥寸殑瀛愮粨鐐癸紱
鎵鏈夊叧閿瓧鍦ㄦ暣棰楁爲涓嚭鐜幫紝涓斿彧鍑虹幇涓嬈★紝闈炲彾瀛愮粨鐐瑰彲浠ュ懡涓紱
B+鏍戯細鍦?/span>B-鏍戝熀紜涓婏紝涓哄彾瀛愮粨鐐瑰鍔犻摼琛ㄦ寚閽堬紝鎵鏈夊叧閿瓧閮藉湪鍙跺瓙緇撶偣涓嚭鐜幫紝闈炲彾瀛愮粨鐐逛綔涓哄彾瀛愮粨鐐圭殑绱㈠紩錛?/span>B+鏍戞繪槸鍒板彾瀛愮粨鐐規(guī)墠鍛戒腑錛?/span>
B*鏍戯細鍦?/span>B+鏍戝熀紜涓婏紝涓洪潪鍙跺瓙緇撶偣涔熷鍔犻摼琛ㄦ寚閽堬紝灝嗙粨鐐圭殑鏈浣庡埄鐢ㄧ巼浠?/span>1/2鎻愰珮鍒?/span>2/3錛?br>
[姝ゆ枃涓鴻漿杞絔