Saturday, February 12, 2022

Two Sum Python

Write a function that takes an array of numbers (integers for the tests) and a target number. It should find two different items in the array that, when added together, give the target value. The indices of these items should then be returned in a tuple like so: (index1, index2).

For the purposes of this kata, some tests may have multiple answers; any valid solutions will be accepted.

The input will always be valid (numbers will be an array of length 2 or greater, and all of the items will be numbers; target will always be the sum of two different items from that array).

Based on: http://oj.leetcode.com/problems/two-sum/

twoSum [1, 2, 3] 4 === (0, 2)

def two_sum(nums, t):
    for i, x in enumerate(nums):
        print('i>',i)
        for j, y in enumerate(nums):
            print('j>',j)
            if i != j and x + y == t:
                return [i, j]

print((two_sum([1,3,2], 4)))


Two Sum Solutions | Codewars



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