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Two Number Sum to Target
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Two Number Sum to Target

EasyPython

Problem

While validating item combinations in the Walmart de México y Centroamérica shopping experience, find two distinct item prices whose values add up to a requested total.

Given an integer array nums and an integer target, return the indices of the two elements whose sum equals target. Return the indices in ascending order. You may not use the same element twice, and each valid input contains exactly one solution.

Formal Specification

  • Input: nums, an array of integers, and target, an integer.
  • Output: An array containing the two zero-based indices [i, j], where i < j and nums[i] + nums[j] == target.
  • The input array must not be modified.

Constraints

  • 2 <= nums.length <= 10^4
  • -10^9 <= nums[i] <= 10^9
  • -10^9 <= target <= 10^9
  • Exactly one valid pair exists
  • The input array must not be modified

Function Signature

def two_sum(nums, target):
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