[LeetCode] Remove Duplicates from Sorted Array II
Remove Duplicates from Sorted Array II
Follow up for "Remove Duplicates":
What if duplicates are allowed at most twice?
For example,
Given sorted array nums = [1,1,1,2,2,3],
Your function should return length = 5, with the first five elements of nums being 1, 1, 2, 2 and 3. It doesn't matter what you leave beyond the new length.
解题思路：
这道题跟remove duplicates from sorted Array类似，就是比较的时候往前看2个即可，然后逐步移位。
class Solution {
public:
int removeDuplicates(vector& nums) {
int len = nums.size();
if(len<=2){
return len;
}
int newLen = 2;
for(int i = 2; i
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