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<p>涓昏鑰冨療鍖呮嫭鍩烘湰缁撴瀯銆佸熀鏈敤娉曘€佷互鍙婁竴浜涚敱杩欎簺缁撴瀯琛嶇敓鍑烘潵鍜屽叾浠栫畻娉曠粨鍚堢殑闂銆傞槦鍒楀拰鏍堜竴鑸笉鍗曠嫭鑰冨療锛岃€屾槸浣滀负鍏朵粬瑙ｆ硶锛堝挨鍏舵槸鍥炴函锛変腑寰堥噸瑕佺殑鍏冪礌锛屽洜姝や笉鍗曠嫭鍒楀嚭銆?/p><p>绠楁硶涓昏鍖呮嫭</p><p>鍏朵腑鍒嗘不銆佸洖婧€佸姩鎬佽鍒掋€佽椽蹇冪畻娉曞鍜屾暟鎹粨鏋?灏ゅ叾鏄暟缁?缁撳悎锛屽洜姝や笉鍗曠嫭鍒楀嚭鏉ャ€?/p><p>鏁扮粍瀛楃涓茬殑闂閫氬父鍖呮嫭瀛愪覆闂銆佸洖鏂囬棶棰樸€佹煡鎵惧厓绱犮€佸尮閰嶉棶棰橈紝閫氬父鍏惰В娉曚负鍙屾寚閽堟粦鍔ㄣ€佸洖婧€佸姩鎬佽鍒掋€佸爢鏍堛€?/p><p>鏍稿績瑙ｆ硶瀛愪覆闂鍒嗕负鍗曟暟缁勬眰瀛愪覆浠ュ強缁欎袱涓暟缁勬瘮杈冩眰瀛愪覆銆傚叾鏍稿績鎬濇兂鍧囦负鍔ㄦ€佽鍒掞細鍙屾暟缁勭被浼间簬浜岀淮鍔ㄦ€佽鍒掞紝涓€瀹氬彲浠ラ檷缁翠负涓€缁达紝鑰屽崟鏁扮粍鍒欏彲浠ヨ€冭檻涓轰竴缁村姩鎬佽鍒掞紝闄嶇淮涓哄弻鎸囬拡婊戝姩銆傚浜庢洿澶氫釜鏁扮粍鐨勬瘮杈冿紝涓€鑸繕鏄惊鐜凯浠ｆ眰瑙ｅ惂銆?/p><p>intmaxsequence3(inta[],intlen){intmaxsum,maxhere;maxsum=maxhere=a[0];//鍒濆鍖栨渶澶у拰涓篴銆?銆慺or(inti=1;i<len;i++){if(maxhere<=0)maxhere=a[i];//濡傛灉鍓嶉潰浣嶇疆鏈€澶ц繛缁瓙搴忓垪鍜屽皬浜庣瓑浜?锛屽垯浠ュ綋鍓嶄綅缃甶缁撳熬鐨勬渶澶ц繛缁瓙搴忓垪鍜屼负a[i]elsemaxhere+=a[i];//濡傛灉鍓嶉潰浣嶇疆鏈€澶ц繛缁瓙搴忓垪鍜屽ぇ浜?锛屽垯浠ュ綋鍓嶄綅缃甶缁撳熬鐨勬渶澶ц繛缁瓙搴忓垪鍜屼负瀹冧滑涓よ€呬箣鍜宨f(maxhere>maxsum){maxsum=maxhere;//鏇存柊鏈€澶ц繛缁瓙搴忓垪鍜寎}returnmaxsum;}鎬庝箞鍐冲畾韪㈠摢涓憿锛?/p><p>鎬濊矾鏈夌偣绫讳技LRU锛屽鏋滀竴涓厓绱犱笂涓€娆″嚭鐜版槸鍦ㄤ笅鏍囦负3锛屽彟涓€涓笂涓€娆″嚭鐜版槸涓嬫爣涓?锛屽綋鍓嶄笅鏍囦负5锛?/p><p>搴旇閫夋嫨韪笅鏍囦负3鐨勯偅涓紝涓轰簡淇濊瘉鏂扮殑瀛愪覆鏇撮暱銆?/p><p>渚嬪锛屾垜浠瘮杈冨瓙涓蹭腑姣忎竴绉嶅瓧绗︽槸鍚﹀ぇ浜巗1杩欑瀛楃鐨勬暟閲忥細</p><p>濡傛灉娌℃湁浠讳綍涓€绉嶅瓧绗︽暟閲忓ぇ浜巗1涓瓧绗︾殑鏁伴噺锛岃€屽瓧绗︽€荤殑鏁伴噺鏄竴瀹氱殑锛岄偅涔堜笉灏卞彲浠ョ煡閬撲篃涓嶅瓨鍦ㄥ皬浜巗1瀛楃鏁伴噺鐨勫瓧绗﹀悧锛?/p><p>鍗宠繖涓ゆ瀛楃涓插尮閰嶃€?/p><p>鍋囧瀛樺湪涓€绉嶅瓧绗︽暟閲忓ぇ浜巗1锛屼笅涓€姝ユ垜浠簲璇ユ€庝箞鍋氾紵鎴戜滑鏄笉鏄鎶婅繖涓瓧绗﹀鍑烘潵鐨勬暟閲忎粠瀛愪覆涓噺鍘伙紵濡備綍鎿嶄綔鍛紵鎿嶄綔鐨勬柟娉曞氨鏄痩eft++鍚戝悗绉诲姩瀛楃涓茬殑寮€濮嬪瓧绗︼紝鐩村埌杩欑瀛楃鐨勬暟閲忔仮澶嶆甯搞€?涓嶆槑鐧戒负浠€涔堝姩left涓嶅姩right鐨勫彲浠ヨ嚜宸辨兂涓€涓?</p><p>渚嬪瓙锛歴1:"abc"a:1b:1c:1s2:"abbca"褰搇eft=0鏃讹紝right璧板埌2锛屼篃灏辨槸绗簩涓?b'鏃讹紝'b'鐨勬暟閲忎細瓒呰繃s1'b'鐨勬暟閲忥紝鎴戜滑鍙互閫氳繃鎶妉eft涓嶆柇鍚庣Щ鍒?鏉ヤ娇'b'鐨勬暟閲忔仮澶嶆甯歌櫧鐒惰繖涓椂鍊?a'鐨勬暟閲忔槸姝ｇ‘鐨勶紝浣嗘槸鎴戜滑渚濈劧瑕佸悗绉籰eft锛屽洜涓哄彧瑕佹湁涓や釜'b'鎴戜滑姘歌繙鎵句笉鍒板尮閰嶇殑瀛楃涓蹭絾鏄噺鍘荤殑'a'鍗村彲浠ュ湪鍚庨潰鍔犲洖鏉?/p><p>Rabin-Karp绠楁硶锛屽睘浜嶣F绠楁硶鐨勫崌绾х増銆?/p><p>RK绠楁硶鐨勬€濊矾鏄繖鏍风殑锛氭垜浠€氳繃鍝堝笇绠楁硶瀵逛富涓蹭腑鐨刵-m+1涓瓙涓插垎鍒眰鍝堝笇鍊硷紝鐒跺悗閫愪釜涓庢ā寮忎覆鐨勫搱甯屽€兼瘮杈冨ぇ灏忋€傚鏋滄煇涓瓙涓茬殑鍝堝笇鍊间笌妯″紡涓茬浉绛夛紝閭ｅ氨璇存槑瀵瑰簲鐨勫瓙涓插拰妯″紡涓插尮閰嶄簡銆?/p><p>鎻愰珮鍝堝笇绠楁硶璁＄畻瀛愪覆鍝堝笇鍊兼晥鐜囩殑鍋氭硶锛氱敤涓€涓狵杩涘埗鏁版潵琛ㄧず涓€涓瓙涓诧紝杩欎釜K杩涘埗鏁拌浆鍖栨垚鍗佽繘鍒舵暟锛屼綔涓哄瓙涓茬殑鍝堝笇鍊?/p><p>BM绠楁硶鏄竴绉嶉潪甯搁珮鏁堢殑瀛楃涓插尮閰嶇畻娉曪紝鍙敤浜庢枃鏈紪杈戝櫒涓殑鏌ユ壘鏇挎崲鍔熻兘</p><p>BM绠楁硶鍖呭惈涓ら儴鍒嗭紝鍒嗗埆鏄潖瀛楃瑙勫垯锛坆adcharacterrule锛夊拰濂藉悗缂€瑙勫垯锛坓oodsuffixshift锛?/p><p>KMP绠楁硶鐨勬牳蹇冩€濇兂锛岃窡涓婁竴鑺傝鐨凚M绠楁硶闈炲父鐩歌繎銆傛垜浠亣璁句富涓叉槸a锛屾ā寮忎覆鏄痓銆傚湪妯″紡涓蹭笌涓讳覆鍖归厤鐨勮繃绋嬩腑锛屽綋閬囧埌涓嶅彲鍖归厤鐨勫瓧绗︾殑鏃跺€欙紝鎴戜滑甯屾湜鎵惧埌涓€浜涜寰嬶紝鍙互灏嗘ā寮忎覆寰€鍚庡婊戝姩鍑犱綅锛岃烦杩囬偅浜涜偗瀹氫笉浼氬尮閰嶇殑鎯呭喌</p><p>KMP绠楁硶灏辨槸鍦ㄨ瘯鍥惧鎵句竴绉嶈寰嬶細鍦ㄦā寮忎覆鍜屼富涓插尮閰嶇殑杩囩▼涓紝褰撻亣鍒板潖瀛楃鍚庯紝瀵逛簬宸茬粡姣斿杩囩殑濂藉墠缂€锛岃兘鍚︽壘鍒颁竴绉嶈寰嬶紝灏嗘ā寮忎覆涓€娆℃€ф粦鍔ㄥ緢澶氫綅锛?/p><p>鎴戜滑鍙渶瑕佹嬁濂藉墠缂€鏈韩锛屽湪瀹冪殑鍚庣紑瀛愪覆涓紝鏌ユ壘鏈€闀跨殑閭ｄ釜鍙互璺熷ソ鍓嶇紑鐨勫墠缂€瀛愪覆鍖归厤鐨勩€傚亣璁炬渶闀跨殑鍙尮閰嶇殑閭ｉ儴鍒嗗墠缂€瀛愪覆鏄瘂v}锛岄暱搴︽槸k銆傛垜浠妸妯″紡涓蹭竴娆℃€у線鍚庢粦鍔╦-k浣嶏紝鐩稿綋浜庯紝姣忔閬囧埌鍧忓瓧绗︾殑鏃跺€欙紝鎴戜滑灏辨妸j鏇存柊涓簁锛宨涓嶅彉锛岀劧鍚庣户缁瘮杈冦€?/p><p>绫讳技BM绠楁硶涓殑bc銆乻uffix銆乸refix鏁扮粍锛孠MP绠楁硶涔熷彲浠ユ彁鍓嶆瀯寤轰竴涓暟缁勶紝鐢ㄦ潵瀛樺偍妯″紡涓蹭腑姣忎釜鍓嶇紑锛堣繖浜涘墠缂€閮芥湁鍙兘鏄ソ鍓嶇紑锛夌殑鏈€闀垮彲鍖归厤鍓嶇紑瀛愪覆鐨勭粨灏惧瓧绗︿笅鏍囥€傛垜浠妸杩欎釜鏁扮粍瀹氫箟涓簄ext鏁扮粍锛屽緢澶氫功涓繕缁欒繖涓暟缁勮捣浜嗕竴涓悕瀛楋紝鍙け鏁堝嚱鏁帮紙failurefunction锛夈€?/p><p>AC鑷姩鏈哄疄闄呬笂灏辨槸鍦═rie鏍戜箣涓婏紝鍔犱簡绫讳技KMP鐨刵ext鏁扮粍锛屽彧涓嶈繃姝ゅ鐨刵ext鏁扮粍鏄瀯寤哄湪鏍戜笂缃簡銆傛墍浠ワ紝AC鑷姩鏈虹殑鏋勫缓锛屽寘鍚袱涓搷浣滐細灏嗗涓ā寮忎覆鏋勫缓鎴怲rie鏍戯紱鍦═rie鏍戜笂鏋勫缓澶辫触鎸囬拡锛堢浉褰撲簬KMP涓殑澶辨晥鍑芥暟next鏁扮粍锛夈€?/p><p>閲囩敤浠庡悗鍚戝墠妫€绱㈢殑鏂瑰紡杩涜</p><p>classSolution{public:vector<vector<int>>memo;intdfs(conststring&s,conststring&p,inti,intj){if(i==s.size())returnj==p.size()1:-1;if(j==p.size())returni==s.size()1:-1;if(memo[i][j]!=0)returnmemo[i][j];if(j==p.size()-1||p[j+1]!='*'){if(p[j]=='.'||p[j]==s[i]){memo[i][j]=dfs(s,p,i+1,j+1);returnmemo[i][j];}}else{if(dfs(s,p,i,j+2)>0){memo[i][j]=1;returnmemo[i][j];}if(p[j]=='.'||p[j]==s[i]){boolt=dfs(s,p,i+1,j+2)>0||dfs(s,p,i+1,j)>0;memo[i][j]=t1:-1;returnmemo[i][j];}}memo[i][j]=-1;returnmemo[i][j];}boolisMatch(strings,stringp){s+='#';p+='#';memo=vector<vector<int>>(s.size(),vector<int>(p.size(),0));returndfs(s,p,0,0)>0;}};鏈夋晥瀛楃涓查渶婊¤冻锛氬乏鎷彿蹇呴』鐢ㄧ浉鍚岀被鍨嬬殑鍙虫嫭鍙烽棴鍚堛€傚乏鎷彿蹇呴』浠ユ纭殑椤哄簭闂悎銆?/p><p>鏈閲囩敤鏍堟瘮杈冨鏄撹В鍐筹細瀵瑰乏鍗婅竟鎷彿閲囧彇鍏ユ爤鎿嶄綔锛屽彸鍗婅竟鎷彿鍜屾爤椤惰繘琛屽姣旓紝濡傛灉涓嶄竴鑷村垯璇存槑鏈夐棶棰?/p><p>classSolution{public:boolisValid(strings){if(s.size()==0)returntrue;char*stack=(char*)malloc(s.size());inttop=0;for(inti=0;s[i];++i){if(s[i]=='('||s[i]=='['||s[i]=='{')stack[top++]=s[i];else{if((--top)<0)//鍏堝噺鍑忥紝璁﹖op鎸囧悜鏍堥《鍏冪礌returnfalse;if(s[i]==')'&&stack[top]!='(')returnfalse;if(s[i]==']'&&stack[top]!='[')returnfalse;if(s[i]=='}'&&stack[top]!='{')returnfalse;}}free(stack);return(!top);}};classSolution{public:voidbacktrace(intleft,intright,intn,string&s,vector<string>&res){if(left==n&&right==n){res.push_back(s);return;}if(left<n){s+="(";backtrace(left+1,right,n,s,res);s.pop_back();}if(right<left){s+=")";backtrace(left,right+1,n,s,res);s.pop_back();}}vector<string>generateParenthesis(intn){vector<string>res;strings;backtrace(0,0,n,s,res);returnres;}};鏇翠紭绉€鐨勮В娉曚负鍔ㄦ€佽鍒掞細</p><p>鏍稿績鎬濇兂</p><p>濡傛灉鏂板姞鍏ョ殑鏁版嵁灏忎簬绛変簬澶ч《鍫嗙殑鍫嗛《鍏冪礌锛屾垜浠氨灏嗚繖涓柊鏁版嵁鎻掑叆鍒板ぇ椤跺爢锛涘惁鍒欙紝鎴戜滑灏卞皢杩欎釜鏂版暟鎹彃鍏ュ埌灏忛《鍫嗐€傝繖涓椂鍊欏氨鏈夊彲鑳藉嚭鐜帮紝涓や釜鍫嗕腑鐨勬暟鎹釜鏁颁笉绗﹀悎鍓嶉潰绾﹀畾鐨勬儏鍐碉細濡傛灉n鏄伓鏁帮紝涓や釜鍫嗕腑鐨勬暟鎹釜鏁伴兘鏄痭/2锛涘鏋渘鏄鏁帮紝澶ч《鍫嗘湁n/2+1涓暟鎹紝灏忛《鍫嗘湁n/2涓暟鎹€傝繖涓椂鍊欙紝鎴戜滑鍙互浠庝竴涓爢涓笉鍋滃湴灏嗗爢椤跺厓绱犵Щ鍔ㄥ埌鍙︿竴涓爢锛岄€氳繃杩欐牱鐨勮皟鏁达紝鏉ヨ涓や釜鍫嗕腑鐨勬暟鎹弧瓒充笂闈㈢殑绾﹀畾銆?/p><p>澶勭悊杩欎釜闂锛屾湁寰堝楂樼骇鐨勮В鍐虫柟娉曪紝姣斿浣跨敤MapReduce绛夈€備絾鏄紝濡傛灉鎴戜滑灏嗗鐞嗙殑鍦烘櫙闄愬畾涓哄崟鏈猴紝鍙互浣跨敤鐨勫唴瀛樹负1GB銆傞偅杩欎釜闂璇ュ浣曡В鍐冲憿锛?/p><p>鍥犱负鐢ㄦ埛鎼滅储鐨勫叧閿瘝锛屾湁寰堝鍙兘閮芥槸閲嶅鐨勶紝鎵€浠ユ垜浠鍏堣缁熻姣忎釜鎼滅储鍏抽敭璇嶅嚭鐜扮殑棰戠巼銆傛垜浠彲浠ラ€氳繃鏁ｅ垪琛ㄣ€佸钩琛′簩鍙夋煡鎵炬爲鎴栬€呭叾浠栦竴浜涙敮鎸佸揩閫熸煡鎵俱€佹彃鍏ョ殑鏁版嵁缁撴瀯锛屾潵璁板綍鍏抽敭璇嶅強鍏跺嚭鐜扮殑娆℃暟銆?/p><p>鍋囪鎴戜滑閫夌敤鏁ｅ垪琛ㄣ€傛垜浠氨椤哄簭鎵弿杩?0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rel="noopener">鍏甸┈淇戠殑瀵兼父璇嶈寖鏂?span class="focus-color"></span></a></h2></div></div> </div> </div> </div> </div> </div> </div> <div class="theme-box"> <div class="swiper-bulletin c-green radius8"> <div class="new-swiper" data-interval="5000" data-direction="vertical" data-loop="true" data-autoplay="1"> <div class="swiper-wrapper"> <div class="swiper-slide notice-slide"><div class="relative bulletin-icon mr6"><i class="abs-center fa fa-copy"></i></div>1.寰俊鍏紬骞冲彴鍔冲姩鍚堝悓鐢辩敤浜哄崟浣嶄笌鍔冲姩鑰呭崗鍟嗕竴鑷?骞剁粡鐢ㄤ汉鍗曚綅涓庡姵鍔ㄨ€呭湪鍔冲姩鍚堝悓鏂囨湰涓婄瀛楁垨鑰呯洊绔犵敓鏁堛€?娉ㄦ剰鍔冲姩鍚堝悓鏂囨湰鐢辩敤浜哄崟浣嶅拰鍔冲姩鑰呭悇鎵т竴浠?蹇呭鏉℃鏈夊摢浜? 銆婂姵鍔ㄥ悎鍚屾硶銆嬬鍗佷竷鏉¤瀹?鍔冲姩鍚堝悓搴斿綋鍏峰浠ヤ笅鏉℃: (涓€)鐢ㄤ汉鍗曚綅鐨勫悕绉般€佷綇鎵€鍜屾硶瀹氫唬琛ㄤ汉鎴栬€呬富瑕佽礋璐ｄ汉; https://mp.weixin.qq.com/s?__biz=MzUyNDAwODg2Ng==&mid=2247504270&idx=2&sn=afe8c937a714fb972e751ed9d0f0ffcd&chksm=fa317d43cd46f455a32cf614b35580e0392785d4654c6792daeb77a7604c7865267c15a29a71&scene=27</div><div class="swiper-slide notice-slide"><div class="relative bulletin-icon mr6"><i class="abs-center fa 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