Skip to content

Add file fcbhank/RemoveElement.java by fcbhank #38

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
fcbhank wants to merge 2 commits into
base: master
Choose a base branch
from
Open

Add file fcbhank/RemoveElement.java by fcbhank #38

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
828a88c
Add file fcbhank/RemoveElement.java by fcbhank
blind-panther May 30, 2019
f102d86
fix annotation in file fcbhank/RemoveElement.java by fcbhank
blind-panther May 30, 2019
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 28 additions & 0 deletions src/main/java/RemoveElement/fcbhank/RemoveElement.java
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,28 @@
package RemoveElement.fcbhank;

/**
* Create by fcbhank on 2019/5/30
* 27. Remove Element
* 解题思路：
* 遍历数组，记录元素为val的个数为count。
* 当前元素不为val时，其下标减去count即为数组去掉位于该元素前所有val后应处的位置，最后在末尾按count补全val。
*/
public class RemoveElement {
public int removeElement(int[] nums, int val) {
int len = nums.length;
int i, count = 0;
for (i = 0; i < len; i++) {
if (nums[i] == val)
count++;
else
nums[i - count] = nums[i];
}
for (i = len-count; i < len; i++)
nums[i] = val;
return len - count;
}
}
/*
Runtime: 0 ms, faster than 100.00% of Java online submissions for Remove Element.
Memory Usage: 34.7 MB, less than 100.00% of Java online submissions for Remove Element.
*/