Graphs lessons
Node 22.08.0
Loading editor…
Test casesRun to compare output
Input
accounts = [["John","johnsmith@mail.com","john_newyork@mail.com"],["John","johnsmith@mail.com","john00@mail.com"],["Mary","mary@mail.com"],["John","johnnybravo@mail.com"]]
Output
—
Expected
[["John","john00@mail.com","john_newyork@mail.com","johnsmith@mail.com"],["John","johnnybravo@mail.com"],["Mary","mary@mail.com"]]
More practice
Same technique, different problems. Try them without the walkthrough.