题目:
解答:
数组的一个遍历去重,比较简单
代码:
class Solution {
public:
int removeDuplicates(vector<int>& nums) {
int len = nums.size();
if(len == 0 || len == 1) return len;
int head = 0, tail = 0, tmp = 0;
while(head < len){
tmp = nums[head];
++head;
while(head < len && nums[head] == tmp) ++head;
nums[tail] = nums[head-1];
++tail;
}
return tail;
}
};
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