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銆€銆€1錛庣嚎鎬ц〃鏈変袱縐嶅瓨鍌ㄧ粨鏋勶細(xì)涓€鏄『搴忚〃錛屼簩鏄摼琛ㄣ€傝瘯闂細(xì)

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銆€銆€錛?/span>2錛夎嫢綰挎€ц〃鐨勬€繪暟鍩烘湰紼沖畾錛屼笖寰堝皯榪涜鎻掑叆鍜屽垹闄わ紝浣嗚姹備互鏈€蹇殑閫熷害瀛樺彇綰挎€ц〃涓殑鍏冪礌錛岄偅涔堝簲閲囩敤鍝瀛樺偍緇撴瀯錛熶負(fù)浠€涔堬紵銆?a target="_blank">瑗垮畨鐢?shù)瀛惪U戞妧澶у 1999杞歡 浜屻€?/span>1 錛?/span>5鍒嗭級(jí)銆?/span>

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銆€銆€錛?/span>2錛夐€夐『搴忓瓨鍌ㄧ粨鏋勩€傞『搴忚〃鍙互闅忔満瀛樺彇錛屾椂闂村鏉傚害涓?/span>O錛?/span>1錛夈€?/span>

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銆€銆€2錛庣嚎鎬ц〃鐨勯『搴忓瓨鍌ㄧ粨鏋勫叿鏈変笁涓急鐐癸細(xì)鍏朵竴錛屽湪浣滄彃鍏ユ垨鍒犻櫎鎿嶄綔鏃訛紝闇€縐誨姩澶ч噺鍏冪礌錛涘叾浜岋紝鐢變簬闅句互浼拌錛屽繀欏婚鍏堝垎閰嶈緝澶х殑絀洪棿錛屽線寰€浣垮瓨鍌ㄧ┖闂翠笉鑳藉緱鍒板厖鍒嗗埄鐢紱鍏朵笁錛岃〃鐨勫閲忛毦浠ユ墿鍏呫€傜嚎鎬ц〃鐨勯摼寮忓瓨鍌ㄧ粨鏋勬槸鍚︿竴瀹氶兘鑳藉鍏嬫湇涓婅堪涓変釜寮辯偣錛岃瘯璁ㄨ涔嬨€傘€?a target="_blank">閲嶅簡(jiǎn)澶у 2000 浜屻€?/span>5銆?/span>

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銆€銆€閾懼紡瀛樺偍緇撴瀯涓€鑸鍏嬫湇浜?jiǎn)椤哄簭瀛樺偍缁撴瀯鐨勪笁涓嫁q偣銆傞鍏堬紝鎻掑叆銆佸垹闄や笉闇€縐誨姩鍏冪礌錛屽彧淇敼鎸囬拡錛屾椂闂村鏉傚害涓?/span>O(1)錛涘叾嬈★紝涓嶉渶瑕侀鍏堝垎閰嶇┖闂達(dá)紝鍙牴鎹渶瑕佸姩鎬佺敵璇風(fēng)┖闂達(dá)紱鍏朵笁錛岃〃瀹歸噺鍙彈鍙敤鍐呭瓨絀洪棿鐨勯檺鍒躲€傚叾緙虹偣鏄洜涓烘寚閽堝鍔犱簡(jiǎn)絀洪棿寮€閿€錛屽綋絀洪棿涓嶅厑璁告椂錛屽氨涓嶈兘鍏嬫湇欏哄簭瀛樺偍鐨勭己鐐廣€?/span>

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銆€銆€5錛庣嚎鎬ц〃錛?/span>a1錛?/span>a2錛屸€︼紝an錛夌敤欏哄簭鏄犲皠琛ㄧず鏃訛紝ai鍜?/span>ai+1錛?/span>1<=i<n銆夌殑鐗╃悊浣嶇疆鐩擱偦鍚楋紵閾炬帴琛ㄧず鏃跺憿錛熴€?a target="_blank">涓滃崡澶у 1996 涓€銆?/span>1 錛?/span>5鍒嗭級(jí)銆?/span>

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