Update README_EN.md

Author: yanglbme

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

@@ -252,22 +252,18 @@ end
 
 #### C
 
-```C
-
-char *longestCommonPrefix(char **strs, int strsSize) {
-  if (strsSize == 0)
-    return "";
-  for (int i = 0; strs[0][i]; i++) {
-    for (int j = 1; j < strsSize; j++) {
-      if (strs[j][i] != strs[0][i]) {
-        strs[0][i] = '\0';
-        return strs[0];
-      }
+```c
+char* longestCommonPrefix(char** strs, int strsSize) {
+    for (int i = 0; strs[0][i]; i++) {
+        for (int j = 1; j < strsSize; j++) {
+            if (strs[j][i] != strs[0][i]) {
+                strs[0][i] = '\0';
+                return strs[0];
+            }
+        }
     }
-  }
-  return strs[0];
+    return strs[0];
 }
-
 ```
 
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