add 3731 in JS

Author: clingoram

javascript/LeetCode/Array/3731.js

@@ -0,0 +1,20 @@
+/**
+ * 3731. Find Missing Elements
+ * 
+ * 找出參數陣列中缺少的數字，並以陣列型態回傳
+ * @param {number[]} nums
+ * @return {number[]}
+ */
+var findMissingElements = function(nums) {
+  let ans = [];
+  let min = Math.min(...nums),max = Math.max(...nums);
+  for(let i = min;i <= max;++i){
+    if(nums.includes(i) === false){
+      ans.push(i);
+    }
+  }
+  return ans;
+};
+let nums = [5,1];
+// [2,3,4]
+console.log(findMissingElements(nums));

javascript/index.js

@@ -1115,23 +1115,3 @@ let x = 8;
 // 2
 // console.log(mySqrt(x));
 
-/**
- * @param {number[]} nums
- * @param {number} k
- * @return {boolean}
- */
-var containsNearbyDuplicate = function(nums, k) {
-    // i & j => nums[i] == nums[j] & abs(i - j) <= k.
-    // nums[i]跟nums[j]一樣
-    let map = new Map();
-    for(let i = 0;i < nums.length;++i){
-      if(map.has(nums[i]) && i - map.get(nums[i]) <= k){
-        return true
-      }
-      map.set(nums[i],i);
-    }
-    return false;
-};
-let nums = [1,2,3,1,2,3], k = 2
- // false
-console.log(containsNearbyDuplicate(nums,k))