Create 2032-two-out-of-three.js

Author: everthis

2032-two-out-of-three.js

@@ -0,0 +1,32 @@
+/**
+ * @param {number[]} nums1
+ * @param {number[]} nums2
+ * @param {number[]} nums3
+ * @return {number[]}
+ */
+const twoOutOfThree = function(nums1, nums2, nums3) {
+  const res = []
+  const hash = {}
+  for(let e of new Set(nums1)) {
+    if(hash[e] == null) hash[e] = 0
+    hash[e] = 1
+  }
+
+  for(let e of new Set(nums2)) {
+    if(hash[e] == null) hash[e] = 0
+    hash[e]++
+  }
+  
+
+  for(let e of new Set(nums3)) {
+    if(hash[e] == null) hash[e] = 0
+    hash[e]++
+  }
+  
+  Object.keys(hash).forEach(k => {
+    if(hash[k] > 1) res.push(k)
+  })
+
+  
+  return res
+};