Adjacency matrix of an undirected graph is given. Return the number of connected components in the graph.
Test case 2 matrix is not symmetrical. Can't be the adjacency matrix of an undirected graph.
yes.. fixed it
Read a Soroban Abacus
High school cafeteria
Construct a string from letters and counts
construct matrix with identical rows
Text Processing - New
weekday and month
Integer Sequence - II : New Fibonacci
Elements with highest local average
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