锘??xml version="1.0" encoding="utf-8" standalone="yes"?>亚洲AV蜜桃永久无码精品,亚洲国产成人手机在线电影bd,亚洲成色在线综合网站 http://www.tkk7.com/menglee/category/54075.html縐嬮縐嬮洦錛岀殕鍏ユ垜蹇?/description>zh-cn Fri, 10 Jan 2014 23:05:22 GMT Fri, 10 Jan 2014 23:05:22 GMT 60 [寰呭瓧闂轟腑] 緙哄け鐨勬暟瀛?/title> http://www.tkk7.com/menglee/archive/2013/12/28/408153.htmlMeng Lee Meng Lee Sat, 28 Dec 2013 07:31:00 GMT http://www.tkk7.com/menglee/archive/2013/12/28/408153.html http://www.tkk7.com/menglee/comments/408153.html http://www.tkk7.com/menglee/archive/2013/12/28/408153.html#Feedback 0 http://www.tkk7.com/menglee/comments/commentRss/408153.html http://www.tkk7.com/menglee/services/trackbacks/408153.html 緇欏畾涓涓棤搴忕殑鏁存暟鏁扮粍錛屾庝箞鎵懼埌絎竴涓ぇ浜?錛屽茍涓斾笉鍦ㄦ鏁扮粍鐨勬暣鏁般傛瘮濡俒1,2,0] 榪斿洖 3, [3,4,-1,1] 榪斿洖 2銆傛渶濂借兘O(1)絀洪棿鍜孫(n)鏃墮棿銆?br /> 1 public class Solution { 2 public int findMissedNumber(int [] nums) { 3 for (int i = 0; i < nums.length; i++) { 4 if (nums[i] > 0 && nums[i] - 1 != i && nums[i] != nums[nums[i] - 1]) { 5 int tmp = nums[nums[i] - 1]; 6 nums[nums[i] - 1] = nums[i]; 7 nums[i] = tmp; 8 i--; 9 }10 }11 for (int j = 0; j < nums.length; j++) {12 if (nums[j] - 1 != j) return j + 1;13 }14 return nums.length + 1;15 }16 }
]]> [寰呭瓧闂轟腑] interleave瀛楃涓插垎鏋?/title> http://www.tkk7.com/menglee/archive/2013/12/28/408150.htmlMeng Lee Meng Lee Sat, 28 Dec 2013 06:29:00 GMT http://www.tkk7.com/menglee/archive/2013/12/28/408150.html http://www.tkk7.com/menglee/comments/408150.html http://www.tkk7.com/menglee/archive/2013/12/28/408150.html#Feedback 0 http://www.tkk7.com/menglee/comments/commentRss/408150.html http://www.tkk7.com/menglee/services/trackbacks/408150.html 3涓瓧絎︿覆a錛宐錛宑銆傚垽鏂璫鏄惁鏄痑鍜宐鐨刬nterleave錛屼篃灝辨槸c涓簲璇ユ湁a錛宐涓墍鏈夊瓧 絎︼紝騫朵笖c涓瓧絎﹂『搴忓拰a錛宐涓竴鏍楓傛瘮濡傦紝 1. a = "ef" b = "gh" c = "egfh" return true 2. a = "ef" b = "gh" c = "ehgf" return false
鍒嗘瀽錛?br />榪欎釜棰樼洰涓紝騫舵病鏈夎鏄巃鍜宐涓槸鍚︽湁鐩稿悓鐨勫瓧絎︼紝榪欎釜鐩存帴褰卞搷浜嗘渶緇堢殑瑙f硶銆傛墍浠ワ紝澶у鍦ㄩ潰璇曠殑榪囩▼涓紝瑕佸拰闈㈣瘯瀹樿繘琛屼氦浜掞紝寮勬竻妤氫箣鍚庡啀鍔ㄦ墜銆俛鍜宐涓笉鍚湁鐩稿悓瀛楃鐨勬儏鍐靛緢綆鍗曪紝榪欓噷鐣ュ幓銆備笅闈㈢粰鍑篴鍜宐涓寘鍚浉鍚屽瓧絎︾殑鍔ㄦ佽鍒掔殑瑙f硶銆?br />
1 public class Solution { 2 public boolean isInterleaved(String a, String b, String c) { 3 int lengthA = a.length(); 4 int lengthB = b.length(); 5 int lengthC = c.length(); 6 if (lengthA + lengthB != lengthC) 7 return false ; 8 boolean [][] map = new boolean [lengthB + 1][lengthA + 1]; 9 map[0][0] = true ;10 for (int m = 1; m < lengthA; m++) {11 map[0][m] = (a.charAt(m - 1) == c.charAt(m - 1) && map[0][m - 1]);12 }13 for (int n = 1; n < lengthB; n++) {14 map[n][0] = (b.charAt(n - 1) == c.charAt(n - 1) && map[n - 1][0]);15 }16 for (int i = 1; i <= lengthB; i++) {17 for (int j = 1; j <= lengthA; j++) {18 map[i][j] = (c.charAt(i + j - 1) == b.charAt(i - 1) && map[i - 1][j])19 || (c.charAt(i + j - 1) == a.charAt(j - 1) && map[i][j - 1]);20 }21 }22 return map[lengthB][lengthA];23 }24 }
]]>[寰呭瓧闂轟腑] 鍒犻櫎瀛楃 http://www.tkk7.com/menglee/archive/2013/12/28/408146.htmlMeng Lee Meng Lee Sat, 28 Dec 2013 03:02:00 GMT http://www.tkk7.com/menglee/archive/2013/12/28/408146.html http://www.tkk7.com/menglee/comments/408146.html http://www.tkk7.com/menglee/archive/2013/12/28/408146.html#Feedback 0 http://www.tkk7.com/menglee/comments/commentRss/408146.html http://www.tkk7.com/menglee/services/trackbacks/408146.html 鍒犻櫎瀛楃涓蹭腑鐨?#8220;b”鍜?#8220;ac”錛岄渶瑕佹弧瓚沖涓嬬殑鏉′歡錛?br />1. 瀛楃涓插彧鑳介亶鍘嗕竴嬈?br />2. 涓嶈兘澶熷疄鐢ㄩ澶栫殑絀洪棿 渚嬪錛?br />1. acbac ==> "" 2. aaac ==> aa 3. ababac ==> aa 4. bbbbd ==> d 5. aaccac ==> "" 1 public class Solution { 2 public String deleteChars(String s) { 3 StringBuffer sb = new StringBuffer(s); 4 int fast = 0, slow = -1; 5 int length = s.length(); 6 while (fast < length) { 7 if (sb.charAt(fast) == 'b') { 8 fast++; 9 } else if (fast < length - 1 && sb.charAt(fast) == 'a' && sb.charAt(fast + 1) == 'c') {10 fast += 2;11 } else {12 sb.setCharAt(++slow, sb.charAt(fast++));13 if (slow > 0 && sb.charAt(slow - 1) == 'a' && sb.charAt(slow) == 'c') {14 slow -= 2;15 }16 }17 }18 return sb.substring(0, slow + 1);19 }20 }
]]> [寰呭瓧闂轟腑] 鍥炴枃鍒嗗壊 http://www.tkk7.com/menglee/archive/2013/12/27/408124.htmlMeng Lee Meng Lee Fri, 27 Dec 2013 08:06:00 GMT http://www.tkk7.com/menglee/archive/2013/12/27/408124.html http://www.tkk7.com/menglee/comments/408124.html http://www.tkk7.com/menglee/archive/2013/12/27/408124.html#Feedback 0 http://www.tkk7.com/menglee/comments/commentRss/408124.html http://www.tkk7.com/menglee/services/trackbacks/408124.html 瀵逛竴涓瓧絎︿覆鎸夌収鍥炴枃榪涜鍒嗗壊錛屼緥濡俛ba|b|bbabb|a|b|aba灝辨槸瀛楃涓瞐babbbabbababa鐨勪竴涓洖鏂囧垎鍓詫紝姣忎竴涓瓧涓查兘鏄竴涓洖鏂囥傝鎵懼埌鍙互鍒嗗壊鐨勬渶灝戠殑瀛椾覆鏁般備緥濡傦細1. ababbbabbababa鏈灝?涓瓧絎︿覆錛屽垎鍓蹭笁嬈★細a|babbbab|b|ababa
2. 濡傛灉瀛楃涓叉暣浣撴槸鍥炴枃錛屽垯闇瑕?嬈″垎鍓詫紝鏈灝?涓瓧絎︿覆
鍒嗘瀽錛?br />閫掑綊鏂圭▼涓猴細f(i) = MIN(f(j - 1) + 1), map[j][i] == true, 0<=j<i錛屽叾涓璮(i)涓轟互絎琲涓瓧絎︾粨灝劇殑瀛楃涓茬殑鏈灝忓垏鍓叉鏁幫紝map鏁扮粍鐢ㄦ潵璁板綍s[i][j]鏄惁鏄縐扮殑銆傚疄鐜頒唬鐮佸涓嬶細
1 public class Solution { 2 public int minPalindromePartition(String s) { 3 int length = s.length(); 4 boolean [][] map = new boolean [length][length]; 5 int [] record = new int [length]; 6 for (int k = 0; k < length; k++) { 7 record[k] = k; 8 } 9 for (int offset = 0; offset < length; offset++) {10 for (int i = 0, j = i + offset; i < length - offset; i++, j++) {11 if (i == j || (s.charAt(i) == s.charAt(j) && (j - i == 1 || map[i + 1][j - 1]))) {12 map[i][j] = true ;13 }14 }15 }16 for (int i = 1; i < length; i++) {17 for (int j = 0; j < i; j++) {18 if (map[j][i]) {19 if (j > 0) {20 record[i] = Math.min(record[i], record[j - 1] + 1);21 } else {22 record[i] = 0;23 }24 }25 }26 }27 return record[length - 1];28 }29 }
]]> [寰呭瓧闂轟腑] 姹備簩鍙夋悳绱㈡爲(wèi)鐨勪腑搴忓悗緇ц妭鐐?/title> http://www.tkk7.com/menglee/archive/2013/12/27/408096.htmlMeng Lee Meng Lee Fri, 27 Dec 2013 03:06:00 GMT http://www.tkk7.com/menglee/archive/2013/12/27/408096.html http://www.tkk7.com/menglee/comments/408096.html http://www.tkk7.com/menglee/archive/2013/12/27/408096.html#Feedback 0 http://www.tkk7.com/menglee/comments/commentRss/408096.html http://www.tkk7.com/menglee/services/trackbacks/408096.html 姹備簩鍙夋悳绱㈡爲(wèi)鐨勪腑搴忓悗緇ц妭鐐?br /> 鍒嗘瀽錛?br />1. 濡傛灉鐩爣鑺傜偣鐨勫彸瀛愭爲(wèi)涓嶄負絀猴紝鍒欒繑鍥炲彸瀛愭爲(wèi)鐨勬渶灝忚妭鐐癸紱 2. 濡傛灉鐩爣鑺傜偣鐨勫彸瀛愭爲(wèi)涓虹┖錛屽垯浠庢牴鑺傜偣寮濮嬮亶鍘嗐?br />瀹炵幇浠g爜濡備笅錛?br /> 1 public class Solution { 2 public TreeNode inOrderSuccessor(TreeNode root, TreeNode target) { 3 if (target == null ) return null ; 4 if (target.right != null ) return minValue(target.right); 5 TreeNode succ = null ; 6 while (root != null ) { 7 if (target.val < root.val) { 8 succ = root; 9 root = root.left;10 } else if (target.val > root.val) {11 root = root.right;12 } else {13 break ;14 }15 }16 return succ;17 }18 19 private TreeNode minValue(TreeNode root) {20 while (root.left != null ) {21 root = root.left;22 }23 return root;24 }25 }
]]> [寰呭瓧闂轟腑] 鏈灝戞彃鍏ュ瓧絎?/title> http://www.tkk7.com/menglee/archive/2013/12/26/408077.htmlMeng Lee Meng Lee Thu, 26 Dec 2013 08:53:00 GMT http://www.tkk7.com/menglee/archive/2013/12/26/408077.html http://www.tkk7.com/menglee/comments/408077.html http://www.tkk7.com/menglee/archive/2013/12/26/408077.html#Feedback 0 http://www.tkk7.com/menglee/comments/commentRss/408077.html http://www.tkk7.com/menglee/services/trackbacks/408077.html 鏈灝戞彃鍏ュ瓧絎?/div> 緇欏畾瀛楃涓詫紝鍙互閫氳繃鎻掑叆瀛楃錛屼嬌鍏跺彉涓哄洖鏂囥傛眰鏈灝戞彃鍏ュ瓧絎︾殑鏁伴噺銆備緥濡傦細
1. ab鏈灝戞彃鍏?涓瓧絎︼紝鍙樹負bab
2. aa鏈灝戞彃鍏?涓瓧絎?/div>
3. abcd鏈灝戞彃鍏?涓瓧絎︼紝dcbabcd
鍒嗘瀽
榪欎釜棰樼洰鐨勫垎鏋愭濊礬錛屽拰鍓嶉潰涓ゆ湡鏄潪甯哥浉浼肩殑錛氱粰鍑洪掑綊鐨勮В娉曪紝鍙戠幇閲嶅鐨勫瓙闂錛屾敼榪涗負鍔ㄦ佽鍒掔殑瑙f硶錛岃繖鏄竴涓垎鏋愮殑榪囩▼錛屽緟鍚屽浠瘮杈冪啛鎮(zhèn)夋椂鍊欙紝鍙互鐩存帴緇欏嚭鍔ㄦ佽鍒掔殑瑙e喅鏂規(guī)錛屽氨寰堝ソ浜嗐?/div>
榪欎釜棰樼洰錛岄掑綊璇ュ浣曡В鍛紵緇欏畾涓涓瓧絎︿覆str錛岄暱搴︿負n錛屾庝箞鎻掑叆鏈灝戠殑瀛楃錛屾槸鐨勫瓧絎︿覆鍙樹負鍥炴枃鍛紵鎻掑叆鏈灝戠殑瀛楃錛屽氨鏄灝介噺鍒╃敤鍘熸潵鐨勫瓧絎︼紝鍦ㄥ師瀛楃涓瞫tr涓紝灝介噺鍒╃敤鏇村鑳藉鍖歸厤鐨勫瓧絎︺傛庝箞瀵硅繖涓棶棰樿繘琛屽垎瑙e憿錛熻冭檻str瀛楃涓叉暣浣擄細
1. 濡傛灉str[0]==str[n-1]錛屽垯闂杞彉涓烘眰str[1,n-2]錛屾彃鍏ユ渶灝戝瓧絎︼紝寰楀埌鍥炴枃
2. 濡傛灉str[0]!=str[n-1]錛屽垯闇瑕佹彃鍏ヤ竴涓瓧絎﹁涔堝拰str[0]鐩稿悓錛岃涔堝拰str[n-1]鐩稿悓錛?/div>
3. 濡傛灉鍜宻tr[0]錛屽垯杞彉涓簊tr[1,n-1]錛屾彃鍏ユ渶灝戝瓧絎︼紝寰楀埌鍥炴枃
4. 濡傛灉鍜宻tr[n-1]錛屽垯杞彉涓簊tr[0,n-2]錛屾彃鍏ユ渶灝戝瓧絎︼紝寰楀埌鍥炴枃
涓婇潰鐨勭2縐嶆儏鍐典腑錛岄渶瑕佸彇涓や釜鍊兼渶灝忓箋傚垯瀹屾垚浜嗛棶棰樼殑鍒嗚В錛屽茍涓旓紝鍩烘湰鎯呭喌涔熷垎鏋愬畬鍏紝鍒欐湁閫掑綊寮忎負錛?/div>
fmi(str, l, h) = (str[l] == str[h]) ? fmi(str, l+1, h-1) : (min(fmi(str, i+1, h), fmi(str,l, h-1))+1)
閫氳繃涓婇潰鐨勫紡瀛愶紝鏈夌粡楠岀殑銆佺啛緇冪殑鍚屽錛屽緢鐩存帴鐨勫氨鑳界湅鍑烘潵錛屽瓨鍦ㄩ噸澶嶇殑瀛愰棶棰橈紝榪欏氨鎰忓懗鐫錛屾垜浠彲浠ヨ瀛愰棶棰樼殑瑙g紦瀛樹嬌鐢ㄣ傚鏋滐紝娌℃湁鐩存帴鑳藉鐪嬪嚭鏉ョ殑鍚屽浠紝榪樻槸鍙互鎸夌収鎴戜滑涔嬪墠鐨勬柟娉曪紝鎶婇掑綊鏍?wèi)鐢诲嚭鏉ュ惂锛岄偅鏍锋洿鍔犱竴鐩簡鐒躲?/div>
閭d箞錛岃繖涓鐩濡備綍鐢ㄥ姩鎬佽鍒掔殑瑙e喅鍛紵濡備綍閲嶅鍒╃敤瀛愰棶棰樼殑瑙e憿錛熶技涔庢湁浜涗笉閭d箞鐩存帴銆備絾鍏跺疄涔熸槸浜庤寰嬪彲寰殑銆備笂闈㈢殑閫掑綊寮忥紝鏄粠瀛楃涓茬殑涓?杈癸紝鎯充腑闂寸Щ鍔ㄩ掑綊錛屾牴鎹姩鎬佽鍒掕В鍐抽棶棰樼殑鎬濇兂錛屾垜浠厛瑙e喅瀛愰棶棰橈紝鍐嶉噸澶嶅埄鐢ㄥ瓙闂錛屽氨鏄浠庡唴鍚戝瑙e喅錛屽ぇ瀹惰繕璁板緱鍥炴枃瀛愪覆鍒ゆ柇鐨勯偅涓鐩箞錛屽姩鎬?瑙勫垝瑙f硶鐨勫灞傚驚鐜槸瀛愪覆鐨勯暱搴︼紝榪欎釜棰樼洰涔熸槸綾諱技鐨勩傜ず渚嬩唬鐮佸涓嬶細
1 public class Solution { 2 public int constructPalindrome(String s) { 3 int length = s.length(); 4 int [][] map = new int [length][length]; 5 for (int offset = 1; offset < length; offset++) { 6 for (int i = 0, j = offset; i < length - offset; i++, j++) { 7 if (i == j - 1) { 8 if (s.charAt(i) != s.charAt(j)) { 9 map[i][j] = 1;10 }11 } else {12 if (s.charAt(i) != s.charAt(j)) {13 map[i][j] = Math.min(map[i][j - 1], map[i + 1][j]) + 1;14 } else {15 map[i][j] = map[i + 1][j - 1];16 }17 }18 }19 }20 return map[0][length - 1];21 }22 }
]]>
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