LeetCode 27 Remove Element (Remove Element)

Source: Internet
Author: User

LeetCode 27 Remove Element (Remove Element)
Translation

Given an array and a value, delete all instances with this value and return a new length. The order of elements can be changed, regardless of the final length of the array.
Original
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.
Code
class Solution {public:    int removeElement(vector
  
   & nums, int val) {        if (nums.begin() == nums.end()) return 0;        vector
   
    ::iterator itor;        for (itor = nums.begin(); itor + 1 != nums.end(); )        {            if (*(itor + 1) == val) {                nums.erase(itor + 1);            }            else {                itor++;            }        }        itor = nums.begin();        if (*itor == val) {            nums.erase(itor);            return nums.size();        }        return nums.size();    }};
   
  

 

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