TS
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08804-hard-two-sum
Hard
array
math

Challenge Source: type-challenges/08804-hard-two-sum

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

For example

type sum1 = TwoSum<[3, 2, 4], 6> // true
type sum2 = TwoSum<[2, 7, 11, 15], 15> // false

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Test cases from: type-challenges/08804-hard-two-sum/test-cases.ts
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<Equal<TwoSum<[3, 3], 6>, true>>,
  Expect<Equal<TwoSum<[3, 2, 4], 6>, true>>,
  Expect<Equal<TwoSum<[2, 7, 11, 15], 15>, false>>,
  Expect<Equal<TwoSum<[2, 7, 11, 15], 9>, true>>,
  Expect<Equal<TwoSum<[1, 2, 3], 0>, false>>,
  Expect<Equal<TwoSum<[1, 2, 3], 1>, false>>,
  Expect<Equal<TwoSum<[1, 2, 3], 2>, false>>,
  Expect<Equal<TwoSum<[1, 2, 3], 3>, true>>,
  Expect<Equal<TwoSum<[1, 2, 3], 4>, true>>,
  Expect<Equal<TwoSum<[1, 2, 3], 5>, true>>,
  Expect<Equal<TwoSum<[1, 2, 3], 6>, false>>,
  Expect<Equal<TwoSum<[3, 2, 0], 2>, true>>,
]