Two Sum

Question is this Input: nums = [2,7,11,15], target = 9 Output: [0,1] #Explanation: Because nums[0] + nums[1] == 9, we return [0, 1]. Example 2: Input: nums = [3,2,4], target = 6 Output: [1,2] Example 3: Input: nums = [3,3], target = 6 Output: [0,1]...