Update 3. 数组中重复的数字.md #1418
Open
Update 3. 数组中重复的数字.md #1418
+0
−1
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
这里第二次调用是多余的！ duplicate 中每一次for循环的目的都是为了让 nums[i] == i ，也就是第 i 个位置等于 i 。 所以 while 循环要么找到重复数字return，要么结束循环后使得 nums[i] == i ，这时候再调用 swap(nums, i, nums[i]) 没有任何意义
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
这里第二次调用是多余的！
duplicate 中每一次for循环的目的都是为了让 nums[i] == i ，也就是第 i 个位置等于 i 。 所以 while 循环要么找到重复数字return，要么结束循环后使得 nums[i] == i ，这时候再调用 swap(nums, i, nums[i]) 没有任何意义