Problem intelligence
Validate Binary Search Tree
MEDIUM · 20 companies · Binary Search Tree · Binary Tree · Depth-First Search · Tree
Interview priority
73
high
Target overlap
0/0
Recency
100
Trend
72
Frequency
87
Company observations
Amazon90d34.6
Amazon6m36.4
Amazonolder50.4
Amazonall52.4
Appleolder32.7
Appleall29.5
Asanaall60.6
Bloomberg90d46.8
Bloomberg6m45.6
Bloombergolder62.2
Bloombergall64.5
Citadelolder46.9
Citadelall45.7
Expediaolder68.1
Expediaall54.1
Goldman Sachsolder22.5
Goldman Sachsall20.4
Google90d17.3
Google6m25.4
Googleolder35.3
Googleall35.3
IBMolder47.3
IBMall48.8
LinkedInolder22.9
LinkedInall20
Lyftall42.7
Meta90d34.5
Meta6m32.7
Metaolder38.7
Metaall45
Microsoft90d42.1
Microsoft6m42.5
Microsoftolder47.2
Microsoftall52.8
Millenniumolder76.4
Millenniumall75.9
Ola Cabs30d76.7
Oracleolder40.3
Oracleall43.7
Salesforceolder40.1
Salesforceall41.2
Wixall87.3
Yahooolder80
Yahooall60.2
Yandexall27.1
Why this score
recent activity100
unsolved100
high frequency87
trending72
Local progress
unseen