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How to check if parentheses expression is balanced?
Given a parentheses expression, check if the pairs and orders of “(“, “)”, “{“, “}”, “[“, “]” are correct in the expression.
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How to merge two sorted linked lists?
In this article we talk about how to merge two sorted linked lists and get a new sorted merged linked list.
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How to find the last Kth element of linked list?
In this article we discuss the problem of finding the last Kth element of a linked list. We talk about two approaches to solve this problem.
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How to print a matrix in spiral form?
In this article we discuss about how can we print the contents of a matrix in spiral form?
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How to reverse a linked list?
In this article we discuss a step wise approach on how to reverse a linked list. We also look at its implementation in Java.
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Is competitive programming required to become a good software engineer?
In this article we discuss whether competitive programming is needed to be a good software engineer and how can you use it in your career?