26. Remove Duplicates from Sorted Array的C++解法(unique去重)
題目描述:https://leetcode.com/problems/remove-duplicates-from-sorted-array/
無腦演算法:
class Solution { public: int removeDuplicates(vector<int> &nums) { if (nums.size()==0||nums.size()==1) return nums.size(); int i=1; while (i<nums.size()) if (nums[i]==nums[i-1]) nums.erase(nums.begin()+i); else i++; return nums.size(); } };
使用unique函式更快:
class Solution {
public:
int removeDuplicates(vector<int> &nums) {
nums.erase(unique(nums.begin(),nums.end()),nums.end());
return nums.size();
}
};
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