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+    </li>
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--- a/chapter_dynamic_programming/unbounded_knapsack_problem/index.html
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@ -18,7 +18,7 @@
        <link rel="prev" href="../knapsack_problem/">
      
      
-        <link rel="next" href="../../chapter_appendix/installation/">
+        <link rel="next" href="../edit_distance_problem/">
      
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+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
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+      </a>
+    </li>
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@ -2200,14 +2216,14 @@
 </div>
 </div>
 <p>查阅字典这个小学生必备技能，实际上就是著名的「二分查找」。从数据结构的角度，我们可以把字典视为一个已排序的「数组」；从算法的角度，我们可以将上述查字典的一系列操作看作是「二分查找」算法。</p>
-<p><strong>例二：整理扑克</strong>。我们在打斗地主时，每局都需要整理扑克牌，使其从小到大排列，实现流程如下：</p>
+<p><strong>例二：整理扑克</strong>。我们在打牌时，每局都需要整理扑克牌，使其从小到大排列，实现流程如下：</p>
 <ol>
 <li>将扑克牌划分为“有序”和“无序”两部分，并假设初始状态下最左 1 张扑克牌已经有序。</li>
 <li>在无序区间抽出一张扑克牌，插入至有序区间的正确位置；完成后最左 2 张扑克已经有序。</li>
 <li>在无序区间抽出一张扑克牌，插入至有序区间的正确位置；完成后最左 3 张扑克已经有序。</li>
 <li>不断循环以上操作，直至所有扑克牌都有序后终止。</li>
 </ol>
-<p>以上整理扑克牌的方法本质上就是「插入排序」，它在处理小型数据集时非常高效，因此插入排序常作为编程语言的排序库函数的重要组成部分。</p>
+<p>以上整理扑克牌的方法本质上就是「插入排序」算法，它在处理小型数据集时非常高效。许多编程语言的排序库函数中都存在插入排序的身影。</p>
 <p><img alt="扑克排序步骤" src="../algorithms_are_everywhere.assets/playing_cards_sorting.png" /></p>
 <p align="center"> Fig. 扑克排序步骤 </p>

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+        
+      
      
        
        
@ -2055,6 +2057,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
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--- a/chapter_sorting/bucket_sort/index.html
+++ b/chapter_sorting/bucket_sort/index.html
@ -1964,6 +1964,8 @@
          
        
          
+        
+      
      
        
        
@ -2055,6 +2057,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/counting_sort/index.html
+++ b/chapter_sorting/counting_sort/index.html
@ -1971,6 +1971,8 @@
          
        
          
+        
+      
      
        
        
@ -2062,6 +2064,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/heap_sort/index.html
+++ b/chapter_sorting/heap_sort/index.html
@ -1957,6 +1957,8 @@
          
        
          
+        
+      
      
        
        
@ -2048,6 +2050,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
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--- a/chapter_sorting/index.html
+++ b/chapter_sorting/index.html
@ -1909,6 +1909,8 @@
          
        
          
+        
+      
      
        
        
@ -2000,6 +2002,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/insertion_sort/index.html
+++ b/chapter_sorting/insertion_sort/index.html
@ -1964,6 +1964,8 @@
          
        
          
+        
+      
      
        
        
@ -2055,6 +2057,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/merge_sort/index.html
+++ b/chapter_sorting/merge_sort/index.html
@ -1964,6 +1964,8 @@
          
        
          
+        
+      
      
        
        
@ -2055,6 +2057,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/quick_sort/index.html
+++ b/chapter_sorting/quick_sort/index.html
@ -1978,6 +1978,8 @@
          
        
          
+        
+      
      
        
        
@ -2069,6 +2071,20 @@

            
          
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+              
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+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/radix_sort/index.html
+++ b/chapter_sorting/radix_sort/index.html
@ -1957,6 +1957,8 @@
          
        
          
+        
+      
      
        
        
@ -2048,6 +2050,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/selection_sort/index.html
+++ b/chapter_sorting/selection_sort/index.html
@ -1950,6 +1950,8 @@
          
        
          
+        
+      
      
        
        
@ -2041,6 +2043,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/sorting_algorithm/index.html
+++ b/chapter_sorting/sorting_algorithm/index.html
@ -1957,6 +1957,8 @@
          
        
          
+        
+      
      
        
        
@ -2048,6 +2050,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_sorting/summary/index.html
+++ b/chapter_sorting/summary/index.html
@ -1950,6 +1950,8 @@
          
        
          
+        
+      
      
        
        
@ -2041,6 +2043,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_stack_and_queue/deque/index.html
+++ b/chapter_stack_and_queue/deque/index.html
@ -1984,6 +1984,8 @@
          
        
          
+        
+      
      
        
        
@ -2075,6 +2077,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_stack_and_queue/index.html
+++ b/chapter_stack_and_queue/index.html
@ -1909,6 +1909,8 @@
          
        
          
+        
+      
      
        
        
@ -2000,6 +2002,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_stack_and_queue/queue/index.html
+++ b/chapter_stack_and_queue/queue/index.html
@ -1984,6 +1984,8 @@
          
        
          
+        
+      
      
        
        
@ -2075,6 +2077,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_stack_and_queue/stack/index.html
+++ b/chapter_stack_and_queue/stack/index.html
@ -2018,6 +2018,8 @@
          
        
          
+        
+      
      
        
        
@ -2109,6 +2111,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_stack_and_queue/summary/index.html
+++ b/chapter_stack_and_queue/summary/index.html
@ -1950,6 +1950,8 @@
          
        
          
+        
+      
      
        
        
@ -2041,6 +2043,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_tree/array_representation_of_tree/index.html
+++ b/chapter_tree/array_representation_of_tree/index.html
@ -1964,6 +1964,8 @@
          
        
          
+        
+      
      
        
        
@ -2055,6 +2057,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_tree/avl_tree/index.html
+++ b/chapter_tree/avl_tree/index.html
@ -2059,6 +2059,8 @@
          
        
          
+        
+      
      
        
        
@ -2150,6 +2152,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/chapter_tree/binary_search_tree/index.html
+++ b/chapter_tree/binary_search_tree/index.html
@ -1998,6 +1998,8 @@
          
        
          
+        
+      
      
        
        
@ -2089,6 +2091,20 @@

            
          
+            
+              
+  
+  
+  
+    <li class="md-nav__item">
+      <a href="../../chapter_dynamic_programming/edit_distance_problem/" class="md-nav__link">
+        13.6. &nbsp; 编辑距离问题（New）
+      </a>
+    </li>
+  
+
+            
+          
        </ul>
      </nav>
    </li>
--- a/Show more
+++ b/Show more