Recursive RelationshipOverviewRecursive relationship is another very common pattern in both probability and expected value questions. The question ...

Bayes RuleBayes rule is a very common probability question pattern. It usually involves using the Bayes rule, together with the law of total proba ...

Quant Interview ResourcesWe are going to go through how to prepare for quant finance interview in three sections: the behavioral interview the co ...

Range additionRange addition is a common algo pattern. The problem statement will be along the line that: Given an array, add i1 to all values fr ...

BFS TraversalBreadth first search, or BFS, is a common search algorithm for binary trees. In the question statement, when you see level order trav ...

Linked List TemplatesA lot of the linked list solutions will depend on two things: finding the mid point reversing the linked list It is useful ...

IntroductionI was trying to create a simple 2-D array in Python today. No numpy, no pandas, just the simpliest kind using the default list data st ...

Dynamic ProgrammingMin/Max Path to Reach a TargetGiven a target, find the minimum/maximum path to reach the target. routes[i] = min ...

ArraysMissing or Duplicated NumbersThis type of questions can appear as simply asking you to find a missing or duplicated number, or it can be dis ...

Environment ManagementManaging development environment, creating tests and monitoring test coverage, generating documentations, versioning the pac ...