refactor 15

fishercoder1534 · fishercoder1534 · commit 3876a869aceb · 2021-10-12T10:09:37.000-07:00
diff --git a/src/main/java/com/fishercoder/solutions/_15.java b/src/main/java/com/fishercoder/solutions/_15.java
@@ -29,6 +29,7 @@ public List<List<Integer>> threeSum(int[] nums) {
                         while (left < right && nums[right] == nums[right - 1]) {
                             right--;
                         }
+                        //these two lines are critical and easy to forget, if so, it'll TLE
                         left++;
                         right--;
                     } else if (sum > 0) {

Original file line number	Diff line number	Diff line change
`@@ -29,6 +29,7 @@ public List<List<Integer>> threeSum(int[] nums) {`
`29`	`29`	`while (left < right && nums[right] == nums[right - 1]) {`
`30`	`30`	`right--;`
`31`	`31`	`}`
	`32`	`+ //these two lines are critical and easy to forget, if so, it'll TLE`
`32`	`33`	`left++;`
`33`	`34`	`right--;`
`34`	`35`	`} else if (sum > 0) {`