Problem Statement
Given the root of a binary tree, return the nodes visible when the tree is viewed from the left side.
Only the first node at each level is visible.
Brute Force Intuition
In an interview, you can explain it like this:
Other newsrooms on this story
· 6 sources
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Vertical Spread Options Strategy: Reduce Risk in Winning Trades
thehindubusinessline.com·
Dominant market position, strong profitability NSE’s key strengths: Jefferies
economictimes.indiatimes.com·
NSE IPO: 5 reasons Jefferies believes the exchange stands out globally
These large-caps have ‘strong buy’ & ‘buy’ recos and upside potential of up to 29% in one year, according to analysts
RBI lending curbs dent proprietary trading, drag derivatives turnover lower
Index Outlook: Nifty 50 and Sensex break intermediate resistance
