update tags

billryan · billryan · commit 5d137d51d928 · 2017-03-19T15:58:10.000+08:00
diff --git a/zh-hans/integer_array/remove_element.md b/zh-hans/integer_array/remove_element.md
@@ -1,6 +1,6 @@
 # Remove Element
 
-**TAGS:** TAG_Array TAG_Two_Pointers
+Tags: Array, Two Pointers, Easy
 
 ## Question
 
@@ -75,13 +75,12 @@ func removeElement(nums []int, val int) int {
 public class Solution {
     public int removeElement(int[] nums, int val) {
         int left = 0;
-        for (int i = 0; i < nums.length; i++) {
-            if (nums[i] != val) {
-                nums[left] = nums[i];
-                left++;
+        for (int num : nums) {
+            if (num != val) {
+                nums[left++] = num;
             }
         }
-
+        
         return left;
     }
 }

Original file line number	Diff line number	Diff line change
`@@ -1,6 +1,6 @@`
`1`	`1`	`# Remove Element`
`2`	`2`
`3`		`-TAGS: TAG_Array TAG_Two_Pointers`
	`3`	`+Tags: Array, Two Pointers, Easy`
`4`	`4`
`5`	`5`	`## Question`
`6`	`6`
`@@ -75,13 +75,12 @@ func removeElement(nums []int, val int) int {`
`75`	`75`	`public class Solution {`
`76`	`76`	`public int removeElement(int[] nums, int val) {`
`77`	`77`	`int left = 0;`
`78`		`- for (int i = 0; i < nums.length; i++) {`
`79`		`- if (nums[i] != val) {`
`80`		`- nums[left] = nums[i];`
`81`		`- left++;`
	`78`	`+ for (int num : nums) {`
	`79`	`+ if (num != val) {`
	`80`	`+ nums[left++] = num;`
`82`	`81`	`}`
`83`	`82`	`}`
`84`		`-`
	`83`	`+`
`85`	`84`	`return left;`
`86`	`85`	`}`
`87`	`86`	`}`