Define back edge?
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Differentiate bfs and dfs?
Which time complexity is best?
Differentiate among cycle, path, and circuit?
What are the advantages of sorting?
What do you mean by hash function?
Can hashmap have duplicate keys?
What is difference between list set and map?
Can hashtable have duplicate values?
What is difference between list and array list?
how to delete first node from singly linked list?
What is a Queue? Explain its operation with example?
Is array a data type?