Author: SJ

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Convert Infix to Prefix Expression

Objective: Given an Infix expression, write an algorithm to convert it into Prefix expression. Example: Input: Infix expression – A + B Output: Prefix expression- +AB Input: Infix expression – A+B*(C^D-E) Output: Prefix expression-...

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Max Flow Problem – Ford-Fulkerson Algorithm

Objective: Given a directed graph which represents a flow network involving source(S) vertex and Sink (T) vertex.  Each edge in the graph has an individual capacity which is the maximum flow that edge allows....

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Evaluation of Infix expressions

Infix notation is commonly used in arithmetic formula or statements, the operators are written in-between their operands. Let’s assume the below Operands are real numbers. Permitted operators: +,-, *, /, ^(exponentiation) Blanks are permitted...

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Least Recently Used (LRU) Cache – Using LinkedHashSet and Deque | Set 2

Objective: Design and Implement a data structure Least Recently Used (LRU) Cache. Earlier we had seen Least Recently Used (LRU) Cache – Using HashMap and Doubly Linked List. In this article we will see...

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Merge K sorted Linked List – Using Priority Queue

Objective: Given, K sorted linked list, Write an algorithm to merge all the linked list into one linked list which will be also be sorted. Example: List 1: –>1–>5 List 2: –>4–>8 List 3:...

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