锘??xml version="1.0" encoding="utf-8" standalone="yes"?>久久国产成人精品麻豆,欧美精品国产综合久久,久久无码国产专区精品http://www.shnenglu.com/JohnsonLu/zh-cnWed, 07 May 2025 06:12:35 GMTWed, 07 May 2025 06:12:35 GMT60緇忚惀浣犵殑鐭ヨ瘑璧勪駭 - 鎽樿嚜銆婄▼搴忓憳淇偧涔嬮亾銆?/title><link>http://www.shnenglu.com/JohnsonLu/archive/2009/11/10/100653.html</link><dc:creator>Johnson</dc:creator><author>Johnson</author><pubDate>Tue, 10 Nov 2009 11:26:00 GMT</pubDate><guid>http://www.shnenglu.com/JohnsonLu/archive/2009/11/10/100653.html</guid><wfw:comment>http://www.shnenglu.com/JohnsonLu/comments/100653.html</wfw:comment><comments>http://www.shnenglu.com/JohnsonLu/archive/2009/11/10/100653.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.shnenglu.com/JohnsonLu/comments/commentRss/100653.html</wfw:commentRss><trackback:ping>http://www.shnenglu.com/JohnsonLu/services/trackbacks/100653.html</trackback:ping><description><![CDATA[ <p class="MsoListParagraphCxSpFirst" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">       1. </span></span></span><span lang="ZH-CN" style="font-family:SimSun; mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: SimSun;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin"><strong>瀹氭湡鎶曡祫</strong>銆傚氨鍍忛噾铻嶆姇璧勪竴鏍鳳紝浣犲繀欏誨畾鏈熶負浣犵殑鐭ヨ瘑璧勪駭鎶曡祫銆傚嵆浣挎姇璧勯噺寰堝皯錛?span style="COLOR:red">涔犳儻鏈韓</span>涔熷拰鎬婚噺涓鏍烽噸瑕併?/span></p> <p class="MsoListParagraphCxSpMiddle" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">       2. </span></span></span><span lang="ZH-CN" style="font-family:SimSun; mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: SimSun;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin"><strong>澶氬厓鍖?/strong>銆?/span><span lang="ZH-CN"> </span><span lang="ZH-CN" style="font-family:SimSun;mso-ascii-font-family:Calibri;mso-ascii-theme-font: minor-latin;mso-fareast-font-family:SimSun;mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">浣犳墍鐭ラ亾鐨勪笉鍚岀殑浜嬫儏瓚婂錛屼綘灝辮秺鏈変環(huán)鍊箋備綔涓哄簳綰匡紝浣犻渶瑕佺煡閬撲綘鐩墠鎵鐢ㄧ殑鐗瑰畾鎶鏈殑鍚勭鐗規(guī)с備絾涓嶈灝辨姝㈡銆傝綆楁満鎶鏈殑闈㈣矊鍙樺寲寰堝揩鈥斺斾粖澶╃殑鐑棬鎶鏈槑澶╁彲鑳藉氨鍙樺緱榪戜箮鏃犵敤</span>(<span lang="ZH-CN" style="font-family:SimSun;mso-ascii-font-family:Calibri;mso-ascii-theme-font: minor-latin;mso-fareast-font-family:SimSun;mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri;mso-hansi-theme-font:minor-latin">鎴栬嚦灝戞槸涓嶅啀鎶㈡墜</span>)銆?span style="COLOR:red">浣犳帉鎻$殑鎶鏈秺澶氾紝浣犲氨瓚婅兘鏇村ソ鍦拌繘琛岃皟鏁淬?/span></p> <p class="MsoListParagraphCxSpMiddle" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">       3. </span></span></span><span lang="ZH-CN" style="font-family:SimSun; mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: SimSun;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin"><strong>綆$悊椋庨櫓</strong>銆備粠楂橀闄┿佸彲鑳芥湁楂樺洖鎶ワ紝鍒頒綆椋庨櫓銆佷綆鍥炴姤錛屾妧鏈瓨鍦ㄤ簬榪欐牱涓鏉¤氨甯︿笂銆傛妸浣犳墍鏈夌殑閲戦挶閮芥姇鍏ュ埌鍙兘紿佺劧宕╃洏鐨勯珮椋庨櫓鑲$エ騫朵笉鏄竴涓ソ涓繪剰錛涗綘涔熶笉搴斿お淇濆畧錛岄敊榪囦簡鍙兘鐨勬満浼氥?span style="COLOR:red">涓嶈鎶婁綘鎵鏈夌殑鎶鏈浮铔嬫斁鍦ㄤ竴涓瀛愰噷銆?/span></span></p> <p class="MsoListParagraphCxSpMiddle" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">       4. </span></span></span><span lang="ZH-CN" style="font-family:SimSun; mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: SimSun;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin"><strong>浣庝拱楂樺崠</strong>銆傚湪鏂板叴鐨勬妧鏈祦琛屼箣鍓嶅涔犲畠鍙兘灝卞拰鎵懼埌琚綆浼扮殑鑲$エ涓鏍峰洶闅撅紝浣嗘墍寰楀埌鐨勫氨鍜岄偅鏍風殑鑲$エ甯︽潵鐨勬敹鐩婁竴鏍楓傚湪Java鍒氬嚭鐜版椂瀛︿範瀹冨彲鑳芥湁椋庨櫓錛屼絾瀵逛簬鐜板湪宸茬粡姝ュ叆璇ラ鍩熺殑欏跺皷琛屽垪鐨勬棭鏈熼噰鐢ㄨ咃紝榪欐牱鍋氬緱鍒頒簡闈炲父澶х殑鍥炴姤銆?/span></p> <p class="MsoListParagraphCxSpLast" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><span style="mso-fareast-font-family:Calibri;mso-fareast-theme-font:minor-latin; mso-bidi-font-family:Calibri;mso-bidi-theme-font:minor-latin"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">       5. </span></span></span><span lang="ZH-CN" style="font-family:SimSun; mso-ascii-font-family:Calibri;mso-ascii-theme-font:minor-latin;mso-fareast-font-family: SimSun;mso-fareast-theme-font:minor-fareast;mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin"><strong>閲嶆柊璇勪及鍜屽鉤琛?/strong>銆傝繖鏄竴涓潪甯稿姩鑽$殑琛屼笟銆備綘涓婁釜鏈堝紑濮嬬爺絀剁殑鐑棬鎶鏈篃璁哥幇鍦ㄥ凡緇忓儚鐭沖ご涓鏍峰啺鍐楓備篃璁鎬綘闇瑕侀噸娓╀綘鏈変竴闃靛瓙娌℃湁浣跨敤鐨勬暟鎹簱鎶鏈傚張鎴栬錛屽鏋滀綘涔嬪墠璇曠敤榪囧彟澶栦竴縐嶈璦錛屼綘灝變細鏇存湁鍙兘鑾峰緱閭d釜鏂拌亴浣嶃傘傘?/span></p><img src ="http://www.shnenglu.com/JohnsonLu/aggbug/100653.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.shnenglu.com/JohnsonLu/" target="_blank">Johnson</a> 2009-11-10 19:26 <a href="http://www.shnenglu.com/JohnsonLu/archive/2009/11/10/100653.html#Feedback" target="_blank" style="text-decoration:none;">鍙戣〃璇勮</a></div>]]></description></item><item><title>灝忓績鍒犻櫎瀹瑰櫒涓厓绱犳椂鐨勮凱浠e櫒澶辨晥http://www.shnenglu.com/JohnsonLu/archive/2009/10/14/98590.htmlJohnsonJohnsonWed, 14 Oct 2009 11:47:00 GMThttp://www.shnenglu.com/JohnsonLu/archive/2009/10/14/98590.htmlhttp://www.shnenglu.com/JohnsonLu/comments/98590.htmlhttp://www.shnenglu.com/JohnsonLu/archive/2009/10/14/98590.html#Feedback3http://www.shnenglu.com/JohnsonLu/comments/commentRss/98590.htmlhttp://www.shnenglu.com/JohnsonLu/services/trackbacks/98590.html 

 浠庝竴涓畝鍗曠殑闂寮濮嬶紝鍒犻櫎鏁扮粍涓煇涓厓绱犲悗榪炵畫閲嶅鐨勫厓绱狅紝渚嬪 1錛?錛?錛?錛?錛?錛?錛?錛?錛? ---> 1錛?2錛?錛?錛?錛?銆?br>
鑰冭檻浜嗗嚑縐掞紝鐒跺悗灝卞紑濮嬪姩鎵嬪啓浠g爜浜嗭細

#include <iostream>
#include 
<vector>
using namespace std;

int main(int argc, char* argv[])
{
   
int a[] = {11333241110};
   
int size = sizeof(a)/sizeof(a[0]);

   vector
<int> vec(a, a+size);

   vector
<int>::iterator iter, end;
   
int previous = vec[0];
   
for (iter = vec.begin() + 1, end = vec.end(); iter != end; ++iter)
   
{        
      
if(*iter == previous)
      
{
         vec.erase(iter);
      }

      
else
      
{
         previous 
= *iter;
      }
    
   }


   
for(iter = vec.begin(); iter != vec.end(); ++iter)
   
{
      cout 
<< *iter << endl;
   }

   
   
return 0;
}


鍙槸緙栬瘧涓涓嬶紝鍑烘潵涓澶у爢error錛屼粩緇嗙湅涓涓嬪嚭閿欎俊鎭紝鍝︼紝鍘熸潵鑷繁蹇樿浜嗭紝erase瀹瑰櫒涓厓绱犵殑鏃跺欙紝榪唬鍣ㄤ細澶辨晥銆傘傘傞】鏃朵竴韜喎姹楋紝鑷繁騫蟲椂榪唬瀹瑰櫒鐨勬椂鍊欙紝涓鑸兘淇濆瓨浜嗗鍣ㄧ殑end鍏冪礌錛岃鏄鏃惰凱浠e櫒澶辨晥銆傘傘?/p>

Container<int>::iterator iter, end;
for (iter = container.begin() + 1, end = container.end(); iter != end; ++iter)


浜庢槸鎵懼埌鏀惰棌鐨凟ffective STL錛岀炕寮鏉℃9錛屾壘鍒頒簡erase瀹瑰櫒涓厓绱犵殑鍘熷垯銆備互鍓嶆浘緇忕湅榪囷紝涓嶈繃騫存繁鏃ヤ箙錛屾棭灝卞繕寰椾竴騫蹭簩鍑浜嗐傜幇鍦ㄨ繕鏄妸瑕佺偣鎬葷粨涓涓嬶紝璁板湪blog涓婏紝渚涗互鍚庡弬鑰冦?br>
1. 瀵逛簬鍏寵仈瀹瑰櫒(濡俶ap, set, multimap,multiset)錛屽垹闄ゅ綋鍓嶇殑iterator錛屼粎浠呬細浣垮綋鍓嶇殑iterator澶辨晥錛屽彧瑕佸湪erase鏃訛紝閫掑褰撳墠iterator鍗沖彲銆傝繖鏄洜涓簃ap涔嬬被鐨勫鍣紝浣跨敤浜嗙孩榛戞爲鏉ュ疄鐜幫紝鎻掑叆銆佸垹闄や竴涓粨鐐逛笉浼氬鍏朵粬緇撶偣閫犳垚褰卞搷銆?br>

for (iter = cont.begin(); it != cont.end();)
{
   (
*iter)->doSomething();
   
if (shouldDelete(*iter))
      cont.erase(iter
++);
   
else
      
++iter;
}

鍥犱負iter浼犵粰erase鏂規(guī)硶鐨勬槸涓涓壇鏈紝iter++浼氭寚鍚戜笅涓涓厓绱犮?br>
2. 瀵逛簬搴忓垪寮忓鍣?濡倂ector,deque)錛屽垹闄ゅ綋鍓嶇殑iterator浼氫嬌鍚庨潰鎵鏈夊厓绱犵殑iterator閮藉け鏁堛傝繖鏄洜涓簐etor,deque浣跨敤浜嗚繛緇垎閰嶇殑鍐呭瓨錛屽垹闄や竴涓厓绱犲鑷村悗闈㈡墍鏈夌殑鍏冪礌浼氬悜鍓嶇Щ鍔ㄤ竴涓綅緗傝繕濂絜rase鏂規(guī)硶鍙互榪斿洖涓嬩竴涓湁鏁堢殑iterator銆?br>

for (iter = cont.begin(); iter != cont.end();)
{
   (
*it)->doSomething();
   
if (shouldDelete(*iter))
      iter 
= cont.erase(iter); 
   
else
      
++iter;
}

3. 瀵逛簬list鏉ヨ錛屽畠浣跨敤浜嗕笉榪炵畫鍒嗛厤鐨勫唴瀛橈紝騫朵笖瀹冪殑erase鏂規(guī)硶涔熶細榪斿洖涓嬩竴涓湁鏁堢殑iterator錛屽洜姝や笂闈袱縐嶆柟娉曢兘鍙互浣跨敤銆?br>

鏈鍚庣粰鍑哄紑濮嬮偅涓棶棰樼殑涓涓紜殑瀹炵幇錛?/p>

#include <iostream>
#include 
<vector>
using namespace std;

int main(int argc, char* argv[])
{
   
int a[] = {11333241110};
   
int size = sizeof(a)/sizeof(a[0]);

   vector
<int> vec(a, a+size);

   vector
<int>::iterator iter = vec.begin();
   
int previous = *iter;
   
++iter;
   
for (; iter != vec.end();)
   
{        
      
if(*iter == previous)
      
{
         iter 
= vec.erase(iter);
      }

      
else
      
{
         previous 
= *iter;
         
++iter;
      }
    
   }


   
for(iter = vec.begin(); iter != vec.end(); ++iter)
   
{
      cout 
<< *iter << endl;
   }

   
   
return 0;
}

PS. 涓嶈繃瀹為檯涓婅繖涓棶棰橈紝鐢╲ector鏉ュ疄鐜頒笉鏄緢閫傚悎錛屽洜涓烘瘡嬈″垹闄や竴涓厓绱狅紝閮戒細寮曡搗vector鐨勪竴涓猺esize鎿嶄綔銆俽esize鐨勬椂闂村鏉傚害鏄疧(n)錛屾暣涓殑resize鎿嶄綔瑕佽姳璐筄(n^2)銆傛渶濂芥槸閫夋嫨list鏈涓哄鍣紝list鏈閫傚悎閭d簺闇瑕佸湪瀹瑰櫒涓棿鍋氭彃鍏ャ佸垹闄ょ殑渚嬪瓙銆?br>
PS2. 鍙﹀涓涓彲鑳界殑鏂規(guī)硶鏄痳emove_if + erase鎯敤娉曘俽emove_if鐨勬椂闂村鏉傚害鏄疧(n). erase鐨勬椂闂村鏉傚害涔熸槸O(n)錛屾墍浠ユ暣涓搷浣滃彲浠ュ湪O(n)鏃墮棿閲屽畬鎴愩?褰撶劧錛屽浜庤繖涓緥瀛愶紝ShouldDeletePred姣旇緝闅懼啓)

iterator new_end = remove_if(array.begin(), array.end(), ShouldDeletePred());
array.erase(new_end, array.end());



Johnson 2009-10-14 19:47 鍙戣〃璇勮
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