娆ｈ祻锛氿煂燄煂燄煂燄煂燄煂熷彛鍛筹細棣欒荆鐐掕洡铚婄児楗椂闂达細10min寰堝ソ鍚冿紝鎵撹祻涓€涓猻tar鏄椋熷爞鑰佹澘鑾ぇ鐨勯紦鍔便€傝鐞嗚ВVue3鐨凞OMDiff鐨勬牳蹇冪畻娉曪紝杩樺緱浠庝竴閬揕eetCode鐪熼璇磋捣銆傚厛涓€璧风湅棰橈細LeetCode鐪熼300.LongestAscendingSubsequence缁欏畾涓€涓棤搴忕殑鏁存暟鏁扮粍锛屾眰鏈€闀跨殑鍗囧簭瀛愬簭鍒楃殑闀垮害銆備緥瀛愶細杈撳叆锛歔10,9,2,5,3,7,101,18]杈撳嚭锛?瑙ｉ噴锛氭渶闀跨殑涓婂崌瀛愬簭鍒楁槸[2,3,7,101]锛屽畠鐨勯暱搴︽槸4銆傝В閲婏細鍙兘鏈夊绉嶇粍鍚堟渶闀跨殑鍗囧簭瀛愬簭鍒楋紝鍙渶瑕佽緭鍑虹浉搴旂殑闀垮害鍗冲彲銆備綘鐨勭畻娉曠殑鏃堕棿澶嶆潅搴﹀簲璇ユ槸O(n2)銆傝繘闃讹細鑳藉惁灏嗙畻娉曠殑鏃堕棿澶嶆潅搴﹂檷浣庡埌O(nlogn)锛熼槄璇荤粨鏉熴€備粈涔堟槸涓婂崌瀛愬簭鍒楋紵棣栧厛锛屾垜浠渶瑕佷簡瑙ｅ拰鍖哄垎鍩烘湰姒傚康锛氬瓙涓诧細蹇呴』鏄繛缁殑瀛愬簭鍒楋細涓嶈姹傚瓙搴忓垪鏄繛缁殑渚嬪锛歔6,9,12]灏辨槸[1,3,6,8,9,10,12]Asubsequenceascending/increasingsubsequence:蹇呴』鏄弗鏍肩殑鍗囧簭/閫掑瀛愬簭鍒楁敞鎰忥細瀛愬簭鍒椾腑鍏冪礌鐨勭浉瀵归『搴忓繀椤诲拰鍘熸暟缁勪繚鎸佷竴鑷翠笉鎳傜殑鍚屽鍙互绉绘鎴戠殑涓撴爮寮€濮嬨€傘€婄畻娉曟€濈淮銆嬪垎娌汇€佸姩鎬佽鍒掋€佸洖婧€佽椽鐐栥€傛垜浠彲浠ュ畾涔夌姸鎬乨p[i]涓烘暟nums[i]鏈熬鐨勬渶闀块€掑瀛愬簭鍒楃殑闀垮害锛堝繀椤诲寘鎷琻ums[i]锛夛紝骞跺垵濮嬪寲dp[i]涓?锛屽洜涓烘瘡涓厓绱犻兘鏄竴涓崟鐙殑鍚庣画銆傚畾涔夌姸鎬佽浆绉绘柟绋嬶細褰撴垜浠亶鍘唍ums[i]鏃讹紝闇€瑕佸悓鏃舵瘮杈冮亶鍘嗙殑nums[j]銆傝嫢nums[i]>nums[j]锛屽垯鍙皢nums[i]鍔犲叆搴忓垪nums[j]锛屾渶鍚庨暱搴︿负dp[j]+1娉細(0<=jtails[tails.length-1]){tails.push(nums[i]);}else{//鍚﹀垯锛屽湪閫掑瀛愬簭鍒椾腑鎵惧埌绗竴涓ぇ浜庡綋鍓嶅€肩殑鍏冪礌锛屽苟鐢ㄥ綋鍓嶉亶鍘嗗厓绱犳浛鎹㈠畠nums[i]//瀵逛簬閫掑搴忓垪锛屽彲浠ヤ娇鐢ㄤ簩鍒嗘煡鎵緇etleft=0;letright=tails.length-1;while(left>1;濡傛灉(tails[mid]0){p[i]=result[u-1]}result[u]=i}}}u=result.lengthv=result[u-1]while(u-->0){result[u]=vv=p[v]}returnresult}getSequence鐨勪綔鐢ㄥ氨鏄壘鍒伴偅浜涗笉闇€瑕佺Щ鍔ㄧ殑鍏冪礌銆傚湪閬嶅巻杩囩▼涓紝鎴戜滑鍙互鐩存帴璺宠繃锛屼笉鍋氬叾浠栨搷浣溿€傚叾瀹炶繖涓畻娉曠殑鏍稿績鎬濇兂灏辨槸鎴戜滑涓婇潰鎻愬埌鐨勬眰瑙ｆ渶闀块€掑瀛愬簭鍒楃殑绗簩绉嶈В娉曪紝璐績+浜屽垎鏌ユ壘娉曘€傝繖涔熸槸涓轰粈涔堜笉鎬ョ潃璁茬殑鍘熷洜锛屽洜涓哄鏋滀綘鐞嗚В浜嗕笂闈㈢殑LeetCode瑙ｆ硶锛屼綘灏卞凡缁忔帉鎻′簡Vue3鐨凞OMDiff鏍稿績绠楁硶鐨勬€濇兂銆備絾鏄紝濡傛灉浣犳兂浜嗚В姣忎竴琛屼唬鐮佺殑缁嗚妭锛屼綘闇€瑕佹妸瀹冩斁鍦ㄦ暣涓猇ue3鐨凞OMDiff鐨勪笂涓嬫枃涓€傚苟涓旈渶瑕佹敞鎰忕殑鏄紝涓婇潰浠ｇ爜涓璯etSequence鏂规硶鐨勮繑鍥炲€煎拰LeetCode棰樼洰瑕佹眰鐨勮繑鍥炲€兼槸涓嶄竴鏍风殑銆俫etSequence杩斿洖鐨勬槸鏈€闀块€掑瀛愬簭鍒楃殑绱㈠紩銆傛濡傛垜浠笂闈㈡彁鍒扮殑锛屼娇鐢ㄨ椽蹇?浜屽垎鏌ユ壘鍜屾浛鎹㈢殑鏂规硶瀛樺湪涓€浜涢敊璇紝鍙兘浼氬鑷撮敊璇殑缁撴灉銆俈ue3瑙ｅ喅浜嗚繖涓棶棰橈紝鎴戜滑鏉ョ湅鐪嬪畠鏄浣曡В鍐崇殑銆?/packages/runtime-core/src/renderer.tsfunctiongetSequence(arr:number[]):number[]{constp=arr.slice()//澶嶅埗鏁扮粍pconstresult=[0]leti,j,u,v,cconstlen=arr.lengthfor(i=0;i鏇挎崲if(arrI0){p[i]=result[u-1]//姝ｇ‘鐨勭粨鏋渳result[u]=i//鍙兘鐨勬浛鎹細瀵艰嚧缁撴灉涓嶆纭紝闇€瑕佷竴涓柊鐨勬暟缁刾鏉ヨ褰曟纭殑缁撴灉}}}u=result.lengthv=缁撴灉[u-1]//鍥炴函鍥炴函骞剁敤p瑕嗙洊result鎵惧埌鏈€缁堟纭殑绱㈠紩while(u-->0){result[u]=vv=p[v]}returnresult}Vue3鐢ㄤ簬澶嶅埗涓€涓暟缁勫瓨鍌ㄦ纭殑缁撴灉锛岀劧鍚庨€氳繃鍥炴函璧嬪€艰В鍐宠椽蹇?浜屽垎鏌ユ壘鍜屾浛鎹㈠鑷村彇鍊间笉姝ｇ‘鐨勯棶棰樸€備互涓婂氨鏄疺ue3DOMDiff鐨勬牳蹇冪畻娉曢儴鍒嗐€傜埍蹇冧笁杩炲嚮1.濡傛灉瑙夊緱椋熷爞鐨勯鐗╁拰楗枡杩樺悎浣犳剰锛岃鐐逛釜璧炴敮鎸佷竴涓嬨€傛偍鐨勭偣璧炴槸鎴戞渶澶х殑鍔ㄥ姏銆?.鍏虫敞鍏紬鍙峰墠绔鍫傦紝鍚冨ソ姣忎竴椤块キ锛?.鐐硅禐銆佽瘎璁恒€佽浆鍙?==鏇存柊锛?/p>
