Given `nums` and `target`, return indices of two distinct numbers that add up to `target`. Exactly one solution exists. Variant **#47**.
Example 1
Input: nums = [7,42,29,0,11,22,33,4,15,26,31], target = 73
Output: [1,10]
nums[1] + nums[10] = 73
Constraints
Acceptance: 75% · Topics: array, hash-table