How should I prepare for the data structure and algorithms questions for a tech interview?

How can I write a program in C with algorithms and flowcharts?

What is a good matchmaking algorithm for a simple dating site?

What is better for a career, Data Analytics or Programming?

How should I explain supervised and unsupervised learning algorithms to a 8-year-old?

In ZIO, are we expected to use combinatorics or some blind pattern observation or brute force? I could make no connection with the values given in the paper.

How do I solve http://www.spoj.com/problems/KHANS/ on SPOJ?

What is the most complex encryption algorithm?

Why do companies like Myntra/Treebo/Directi let very inexperienced engineers take technical interviews?

What is the importance of the AVL tree?

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

What are the existing NP-complete problems in the field of artificial intelligence?

What are some project ideas that demonstrate a good knowledge of algorithms?

What is the real world example of selection sort?

I am given with O odds and E evens, In how many ways can I get an odd sum using K numbers out of total (O+E) numbers?

Is lattice a data structure?

How do I create a quick sort in C?

How do I print repeating substring/patterns in a given string using C?

What will be the best deep learning algorithm to use for detecting objects from aerial images?

What is the worst case time complexity of finding an element in a sparsely populated hashmap?