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The permutation is a frequently-used algorithm that we can apply to strings, list, or arrays (vector). In Python, we can import the itertools and use the permutations method which …
PUSHD/POPD is a great pair of tools that exist in modern operating system e.g. Windows, Linux or MAC. It allows you to jump forward and backwards between directories. The …
You are given an immutable linked list, print out all values of each node in reverse with the help of the following interface: ImmutableListNode: An interface of immutable linked …
Reverse a singly linked list. Example: Input: 1->2->3->4->5->NULL Output: 5->->->2->1->NULL Follow up: A linked list can be reversed either iteratively or recursively. Could you implement both? Reversing a linked …
Bash Programming is Powerful and of course it is fun as well. Today, we are going to do a simple exercise in BASH programming: checking a string if it …