DSA Problem Patterns

Question 1

Uniqueness is implemented through:
1. _
2. _

Answer 1

1. Dictionary (hashmap)
2. Set (hashtable)

Question 2

Relate the output with input in terms of simple _ using structures like:
1. length
2. sum
3. set
4. sorted
4. stack

Think about what you can say deterministically about relation between input and output.

Answer 2

axioms/patterns