style: format code and docs with prettier

Author: pranjal030404

solution/0000-0099/0014.Longest Common Prefix/README.md

@@ -253,7 +253,7 @@ end
 
 #### C
 
-``` C
+```C
 
 char *longestCommonPrefix(char **strs, int strsSize) {
   if (strsSize == 0)

solution/0000-0099/0014.Longest Common Prefix/README_EN.md

@@ -252,7 +252,7 @@ end
 
 #### C
 
-``` C
+```C
 
 char *longestCommonPrefix(char **strs, int strsSize) {
   if (strsSize == 0)

solution/0000-0099/0015.3Sum/README.md

@@ -453,9 +453,9 @@ class Solution {
 }
 ```
 
-#### C 
+#### C
 
-``` C
+```C
 
 int cmp(const void *a, const void *b) { return *(int *)a - *(int *)b; }
 

solution/0000-0099/0015.3Sum/README_EN.md

@@ -451,7 +451,7 @@ class Solution {
 
 #### C
 
-``` C
+```C
 
 int cmp(const void *a, const void *b) { return *(int *)a - *(int *)b; }