Problem intelligence
Valid Parenthesis String
MEDIUM · 15 companies · Bracket Sequences · Dynamic Programming · Greedy · Stack · String
Interview priority
66
high
Target overlap
0/0
Recency
80
Trend
50
Frequency
100
Company observations
Alibabaall100
Amazon90d28.9
Amazon6m36.4
Amazonolder35.5
Amazonall38.2
Apple90d69
Apple6m48.1
Appleall29.5
Bloomberg90d36.8
Bloomberg6m40.6
Bloombergolder30
Bloombergall35.6
Goldman Sachsolder22.5
Goldman Sachsall26.9
Google90d17.3
Google6m21.9
Googleolder28.2
Googleall28.9
HPall75.2
LinkedInolder35.1
LinkedInall36.1
Meta90d34.5
Meta6m47.3
Metaolder31.8
Metaall36.8
Microsoft6m32
Microsoftolder25.1
Microsoftall29.3
PornHubolder100
PornHuball86.5
Rokuolder79.9
Rokuall79.3
Salesforceolder32.1
Salesforceall35.6
Tekionolder78.7
Tekionall63.5
TikTokolder67.3
TikTokall63.4
Why this score
high frequency100
unsolved100
recent activity80
Local progress
unseen