leetcode 27 水

 1 class Solution {
 2 public:
 3     int removeElement(vector<int>& nums, int val) {
 4         int length=nums.size();
 5         int j=0;
 6         for(int i=0;i<length;i++) {
 7            if(nums[i]!=val)
 8            nums[j++]=nums[i];
 9         }
10         return j;
11     }
12 };

 

转载于:https://www.cnblogs.com/thefirstfeeling/p/5938704.html