Created
September 24, 2020 14:15
-
-
Save jchiatt/7ede8cfe45e7d60d9529bcf60229a992 to your computer and use it in GitHub Desktop.
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
const root = { | |
"id": 0, | |
"children": [ | |
{ | |
"id": 1, | |
"children": [ | |
{ | |
"id": 3, | |
"children": [ | |
{ | |
"id": 7, | |
"children": [] | |
}, | |
{ | |
"id": 8, | |
"children": [] | |
} | |
] | |
}, | |
{ | |
"id": 4, | |
"children": [ | |
{ | |
"id": 9, | |
"children": [] | |
}, | |
{ | |
"id": 10, | |
"children": [] | |
} | |
] | |
} | |
] | |
}, | |
{ | |
"id": 2, | |
"children": [ | |
{ | |
"id": 5, | |
"children": [ | |
{ | |
"id": 11, | |
"children": [] | |
}, | |
{ | |
"id": 12, | |
"children": [] | |
} | |
] | |
}, | |
{ | |
"id": 6, | |
"children": [ | |
{ | |
"id": 13, | |
"children": [] | |
}, | |
{ | |
"id": 14, | |
"children": [] | |
} | |
] | |
} | |
] | |
} | |
] | |
} | |
// write a function getLowestCommonAncestor(root, id1, id2) | |
// it should return the lowest common ancestor | |
// getLowestCommonAncestor(root, 13, 13) === 13 | |
// getLowestCommonAncestor(root, 14, 14) === 14 | |
// getLowestCommonAncestor(root, 13, 14) === 6 | |
// getLowestCommonAncestor(root, 12, 14) === 2 | |
// getLowestCommonAncestor(root, 7, 14) === 0 |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment