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30958-medium-pascals-triangle
Medium
array
math

チャレンジのソース: type-challenges/30958-medium-pascals-triangle

Given a number N, construct the Pascal's triangle with N rows. Wikipedia

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テストケースの出典: type-challenges/30958-medium-pascals-triangle/test-cases.ts
import type { Equal, Expect } from '@type-challenges/utils'

type cases = [
  Expect<
    Equal<
      Pascal<1>,
      [
        [1],
      ]
    >
  >,
  Expect<
    Equal<
      Pascal<3>,
      [
        [1],
        [1, 1],
        [1, 2, 1],
      ]
    >
  >,
  Expect<
    Equal<
      Pascal<5>,
      [
        [1],
        [1, 1],
        [1, 2, 1],
        [1, 3, 3, 1],
        [1, 4, 6, 4, 1],
      ]
    >
  >,
  Expect<
    Equal<
      Pascal<7>,
      [
        [1],
        [1, 1],
        [1, 2, 1],
        [1, 3, 3, 1],
        [1, 4, 6, 4, 1],
        [1, 5, 10, 10, 5, 1],
        [1, 6, 15, 20, 15, 6, 1],
      ]
    >
  >,
]