Add Two Sum Problem

Author: khairalanam

L-I/0009 TwoSum/TwoSum.js

@@ -0,0 +1,25 @@
+const TwoSum = (nums, target) => {
+  numToIndex = {};
+
+  for (let i = 0; i < nums.length; i++) {
+    if (target - nums[i] in numToIndex)
+      return [numToIndex[target - nums[i]], i];
+
+    numToIndex[nums[i]] = i;
+  }
+
+  return [];
+};
+
+nums = [3, 2, 4];
+target = 6;
+
+nums1 = [2, 7, 11, 15];
+target1 = 9;
+
+nums2 = [3, 3];
+target2 = 6;
+
+console.log(TwoSum(nums, target));
+console.log(TwoSum(nums1, target1));
+console.log(TwoSum(nums2, target2));