leetcode_27_ Remove Element (easy)

Remove Element

Given an array and a value, remove all instances of that value in place and return the new length.

The order of elements can be changed. It doesn't matter what you leave beyond the new length.

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解题：

简单
class Solution {
public:
    int removeElement(vector<int>& nums, int val) {
    
        int now = -1;
        for(int i = 0; i<nums.size();i++){
            if(nums[i]!=val){
                nums[++now] = nums[i];
            }
        }
        return now+1;
    }
};