add: 移出元素

Author: Eric-art-coder

src/202308/arr/7.ts

@@ -0,0 +1,13 @@
+// 题目说明
+// 输入：nums = [0,1,2,2,3,0,4,2], val = 2
+// 输出：5, nums = [0,1,4,0,3]
+
+function removeElement(nums: number[], val: number): number {
+  let ans = 0
+  for(const i of nums) {
+    if(i != val) {
+      nums[ans++] = i
+    }
+  }
+  return ans
+};