27.移除元素.ts

/*
 * @lc app=leetcode.cn id=27 lang=typescript
 *
 * [27] 移除元素
 */

// @lc code=start
function removeElement(nums: number[], val: number): number {

  let k: number = 0
  for (let i = 0; i < nums.length; i++) {
    if (nums[i] !== val) {
      nums[k++] = nums[i]
    }
  }
  return k
};
// @lc code=end