妯℃嫙娴嬭瘯68锛?9

Posted 2021-03-26

鏍囩锛?a href='http://www.mamicode.com/so/1/keep' title='keep'>keep   enter   濡備綍   鑷韩   璋冩暣   mission   ref   iss   

68锛?/span>

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AlpaCa

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69锛?/span>

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AlpaCa

20 02:51:15

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80 03:05:32

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褰诲簳鎸傛帀浜嗗憿銆?/span>

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濂界劧鍚庢€濊€冧竴涓嬪墠涓€涓崐灏忔椂鍙兘鎵撲釜鏆村姏杩欎欢浜嬶紝涓嶅彧鏄竴鍦轰簡锛岃繕鏄笉瑕佸湪涓€閬撻涓婅姳閭ｄ箞闀挎椂闂存瘮杈冨ソ銆?/span>

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棰樿В

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妯℃嫙娴嬭瘯68

T1锛?/span>

鑰冭瘯鐨勬椂鍊欐兂鐫€鐢ㄤ袱涓爢鎼烇紝浣嗘槸濂藉儚涓嶆槸寰堝彲琛屻€?/span>

鑰冨満$nlog^2$鐨勬€濊矾锛氭灇涓炬渶鍚庣殑x锛岄偅涔坹鏄惁鍙鏄崟璋冪殑锛屼簩鍒唝锛岄偅涔堥棶棰樺氨鏄浣曞垽鏂綋鍓嶇殑x锛寉鏄惁鍙锛屽嵆x灏忎簬褰撳墠x鎴杫灏忎簬褰撳墠y鐨勭煩褰釜鏁版槸鍚﹀皯浜巑锛岄偅涔堝彲浠ュ缓绔媥锛屼笅鏍囦负y鐨勪富甯爲锛?O(log)$鏌ヨ銆傛€诲鏉傚害$nlog^2$銆?/span>

姝ｈВ锛氭棦鐒朵袱涓爢涓嶆槸寰堝彲琛岋紝閭ｄ箞鎸夊叾涓竴缁存帓搴忥紝鍙︿竴缁村爢缁存姢锛屾灇涓惧幓澶氬皯涓獃鍗冲彲銆?/span>

T2锛?/span>

鏈€灏忚仈閫氬潡鍗虫墍鏈夌偣鐨刲ca鍒板悇鐐广€傛爲涓婁富甯爲缁存姢鍗冲彲銆?/span>

T3锛?/span>

绁炰粰棰橈紝棰樿В鏈夌偣闅惧啓锛屾湁鏃堕棿浜嗚ˉ銆?/span>

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妯℃嫙娴嬭瘯69

T1锛?/span>

dp锛宖[i][j]琛ㄧず鍓峣鍒楁斁浜唈涓瀛愮殑鏂规鏁般€傜敱浜巑寰堝ぇ锛屼絾鏄瘡涓猲*n鐨勬柟妗堟暟鏄竴鏍风殑锛屾墍浠ヤ竴璧疯€冭檻鍗冲彲銆?/span>

T2锛?br />

澶嶆潅搴︽樉鐒惰$O(n)$,鑰冭檻鍗曡皟鏍堬紝浠庡仛鍚戝彸鏋氫妇鍙宠竟鐣岋紝缁存姢鍗曡皟閫掑噺鐨勬爤骞剁淮鎶ゆ爤涓瘡涓偣鍒版爤涓笅涓€涓偣涔嬮棿鍚堟硶鏈€浼樺乏绔偣鍗虫渶灏忓€笺€?/span>

T3锛?/span>

鍘熼鍙互鐢ㄧ嚎娈垫爲$O(nsqrt n log)$姘磋繃銆備絾鏄繖閬撻鍔犲ぇ浜嗘暟鎹寖鍥达紝绾挎鏍戜笉鏄緢鍙銆?/span>

鍋氭硶1锛?/span>

鍋氭硶2锛?/span>

锛堢敱浜庢椂闂存瘮杈冪揣鎵€浠ュ啓鐨勬瘮杈冭崏鐜?hellip;…锛?/span>