chore: update lc problems (doocs#742)

Author: yanglbme

README.md

@@ -216,7 +216,6 @@ impl Solution {
 }
 ```
 
-
 ### **...**
 
 ```

README_EN.md

@@ -98,7 +98,7 @@ function isFlipedString(s1: string, s2: string): boolean {
 ```rust
 impl Solution {
     pub fn is_fliped_string(s1: String, s2: String) -> bool {
-        s1.len() == s2.len() && (s2.clone() + &s2).contains(&s1)   
+        s1.len() == s2.len() && (s2.clone() + &s2).contains(&s1)
     }
 }
 ```

lcci/01.02.Check Permutation/README_EN.md

@@ -77,7 +77,7 @@ function isFlipedString(s1: string, s2: string): boolean {
 ```rust
 impl Solution {
     pub fn is_fliped_string(s1: String, s2: String) -> bool {
-        s1.len() == s2.len() && (s2.clone() + &s2).contains(&s1)   
+        s1.len() == s2.len() && (s2.clone() + &s2).contains(&s1)
     }
 }
 ```

lcci/01.09.String Rotation/README.md

@@ -235,20 +235,20 @@ function removeDuplicateNodes(head: ListNode | null): ListNode | null {
  */
 
 function removeDuplicateNodes(head: ListNode | null): ListNode | null {
-    let n1 = head
+    let n1 = head;
     while (n1 != null) {
-        let n2 = n1
+        let n2 = n1;
         while (n2.next != null) {
             if (n1.val === n2.next.val) {
                 n2.next = n2.next.next;
             } else {
                 n2 = n2.next;
             }
         }
-        n1 = n1.next
+        n1 = n1.next;
     }
-    return head
-};
+    return head;
+}
 ```
 
 ### **Rust**

lcci/01.09.String Rotation/README_EN.md

@@ -235,20 +235,20 @@ Violence (not recommended)
  */
 
 function removeDuplicateNodes(head: ListNode | null): ListNode | null {
-    let n1 = head
+    let n1 = head;
     while (n1 != null) {
-        let n2 = n1
+        let n2 = n1;
         while (n2.next != null) {
             if (n1.val === n2.next.val) {
                 n2.next = n2.next.next;
             } else {
                 n2 = n2.next;
             }
         }
-        n1 = n1.next
+        n1 = n1.next;
     }
-    return head
-};
+    return head;
+}
 ```
 
 ### **Rust**

lcci/02.01.Remove Duplicate Node/README.md

@@ -234,7 +234,6 @@ function addTwoNumbers(
 }
 ```
 
-
 ### **Rust**
 
 ```rust

lcci/02.01.Remove Duplicate Node/README_EN.md

@@ -229,7 +229,6 @@ function addTwoNumbers(
 }
 ```
 
-
 ### **Rust**
 
 ```rust

lcci/02.05.Sum Lists/README.md

@@ -228,7 +228,6 @@ impl Solution {
 }
 ```
 
-
 ### **...**
 
 ```