Given `nums` and `target`, return indices of two distinct numbers that add up to `target`. Exactly one solution exists. Variant **#44**.
Example 1
Input: nums = [4,33,26,37,8,19,30,10], target = 43
Output: [1,7]
nums[1] + nums[7] = 43
Constraints
Acceptance: 72% · Topics: array, hash-table