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tests: add tests of LongestIncreasingSubsequence (#1660)

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This commit is contained in:
Piotr Idzik
2024-05-23 19:45:08 +02:00
committed by GitHub
parent cc1e1dc643
commit e2b9754862
2 changed files with 27 additions and 0 deletions
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3
Dynamic-Programming/LongestIncreasingSubsequence.js
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@ -6,6 +6,9 @@
// Return the length of the Longest Increasing Subsequence, given array x
function longestIncreasingSubsequence(x) {
const length = x.length
if (length == 0) {
return 0
}
const dp = Array(length).fill(1)
let res = 1

24
Dynamic-Programming/tests/LongestIncreasingSubsequence.test.js Normal file
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@ -0,0 +1,24 @@
import { longestIncreasingSubsequence } from '../LongestIncreasingSubsequence'
describe('Testing longestIncreasingSubsequence', () => {
it.each([
[[], 0],
[[1], 1],
[[2, 2], 1],
[[3, 3, 3], 1],
[[4, 4, 4, 4], 1],
[[1, 2], 2],
[[1, 2, 2, 2, 2], 2],
[[1, 0, 2], 2],
[[1, 10, 2, 30], 3],
[[5, 8, 3, 7, 9, 1], 3],
[[10, 9, 2, 5, 3, 7, 101, 18], 4],
[[10, 10, 9, 9, 2, 2, 5, 5, 3, 3, 7, 7, 101, 101, 18, 18], 4],
[[0, 1, 0, 3, 2, 3], 4],
[[1, 1, 2, 2, 2], 2],
[[1, 1, 2, 2, 2, 3, 3, 3, 3], 3],
[[0, 8, 4, 12, 2, 10, 6, 14, 1, 9, 5, 13, 3, 11, 7, 15], 6]
])('check with %j', (input, expected) => {
expect(longestIncreasingSubsequence(input)).toBe(expected)
})
})