InterviewDojo - [interviewDojo] #9: Strings Boot Camp
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[interviewDojo] #7: Find the middle element of a linked list
Friday, April 17, 2020
Hi, Finding the middle element of a linked list is a simple problem that can be solved in linear time with a single pass of the list. Problem Given a linked list, find the middle element. Example:
[interviewDojo] #6: Linked Lists Boot Camp
Thursday, April 16, 2020
Hi, A linked list is a data structure that contains a sequence of nodes such that each node contains a value and a pointer to the next node. The first node is referred to as head and the last node is
[interviewDojo] #5: Find balanced string with minimum insertions and deletions
Tuesday, April 14, 2020
Hi, Today's practice problem is on strings. Problem Given a string of parenthesis, if the parenthesis are not balanced, then return the balanced string than can be produced with the minimum number
[interviewDojo] #4: Check if a tree is a Binary Search Tree
Sunday, April 12, 2020
Hi, Today's problem is a fundamental algorithm to practice traversing tree data structures. Problem Given a binary tree, write an efficient algorithm to validate that the tree is a Binary Search
[interviewDojo] #3: Binary Trees Boot Camp
Friday, April 10, 2020
Hi, Binary Trees are extremely common in interview questions. Today we review the basics and implement the two most important traversal algorithms: DFS (Depth First Search) and BFS (Breadth First
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