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Problem

Two Sum

EasyArrays
ArrayHash Table

Given an array of integers nums and an integer target, return indices of the two numbers such that they add up to target.

Example :

Example 1:
Input:
nums = [2,7,11,15], target = 9
Output:
[0,1]
Explanation:

Because nums[0] + nums[1] == 9, we return [0, 1].

Constraints:

  • 2 <= nums.length <= 104
  • -109 <= nums[i] <= 109
  • -109 <= target <= 109
  • Only one valid answer exists.
Solution
Output
Input
nums = [2,7,11,15], target = 9
Expected
[0,1]
Run the code to see output and console results