How do I learn algorithm proficiency in order to crack a big interview?

What is the smallest/largest element in Java code?

It is not good to write general algorithms?

How should I start learning data structures and algorithms? What are some good books, online courses and preferred languages?

What algorithms does Photoshop use when you use the selection tool to select the contours of a body?

In a binary search algorithm there is the line, if key==A[mid] return (mid+1). Why (mid+1)?

Which optimisation algorithm will be better for predictions of stock price?

What data structure is used in order to scroll the images uploaded to Google or Facebook?

What is the motivation to studying algorithms, as most of us learn them to get through interviews, and hardly ever use them in your day to day job?

Can anyone teach me algorithms? I am staying in Bangalore.

How can I inject a machine learning algorithm in Spark?

Are mobile GPUs powerful enough to run deep learning algorithms meaningfully, or should things still be done in the server and sent to phones?

How do I learn Core Java, data structure and algorithms from scratch in the best possible way and the least amount of time?

What are the macro steps required to set up a prop algorithmic trading firm?

Why is a merge sort the most practical and preferred way of solving a sorting problem?

How close does a chess algorithm get to the algorithms employed in machine learning?

What is the number of DFA’s that can be constructed using n input symbols?

What projects did students implement in CS 229r: Algorithms for Big Data, for their final submission?

How can I increment my skills in dynamic programming?

Are there any apps which gamify the task of learning algorithms?