Time: 1 ms (75.2%), Space: 51.6 MB (54.48%) - LeetHub

Author: chappdev2019

0136-single-number/0136-single-number.js

@@ -0,0 +1,12 @@
+/**
+ * @param {number[]} nums
+ * @return {number}
+ */
+var singleNumber = function(nums) {
+    // linear runtime O(n) o(1)
+    let res = 0;
+    for (const num of nums) {
+        res ^= num;
+    }
+    return res;
+};