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程式語言 - LeetCode - C++ - 80. Remove Duplicates from Sorted Array II
題目:

解答:
class Solution {
public:
int removeDuplicates(vector<int>& nums) {
int cnt = 2;
int n = nums.size();
if (n <= 2) {
return n;
}
for (int i = 2; i < nums.size(); ++i) {
if (nums[i] != nums[cnt - 2]) {
nums[cnt++] = nums[i];
}
}
return cnt;
}
};