每题多学点——Two Sum 【C语言】

 一、题目

​​​​​​​​​​​​​两数之和 - 力扣（LeetCode）  【可参考该题理解原题】

原题链接https://www.codewars.com/kata/52c31f8e6605bcc646000082/train/c​​​​​​​

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 / list (depending on your language) 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