How do I generate a random number in C?

How much time should I spend on studying an algorithm?

If |A∪B|=K|A∪B|=K|A cup B | = K, then what is the number of elements in A∩BA∩BA cap B + the number of elements in B∩AB∩AB cap A?

How would you solve 1,4,9 using the recursive and explicit formulas?

How should I get started with data structures and algorithms concepts assuming that I know zero?

Why do people prioritize statistical method for name entity recognition system to algorithmic exact matching?

How do I solve for Q in N+QN^2t=3R?

What is algorithm progression?

Is it true that only software engineers with algorithms and data structures earn way more than other domains?

How can I write a simple face detection algorithm using OpenCv?

What and where is the practical application of 8 queens algorithm?

How do I solve T(n) =2T(n/3) +T (2n/3) +cn using a recursion tree?

What is the difference​ between​ an array and a string in Java?

What is (n−1k)+(nk)(n−1k)+(nk)binom{n-1}{k}+binom{n}{k} ?

How would you solve 1,3,6 and 10 using the recursive and explicit formulas?

What are some sources through which I can learn the Big O notation thoroughly?

Why do tech companies ask difficult algorithms questions in the technical interview?

Is there a difference between having 2 arrays each of size X and 1 array of size 2X?

Which university has the best research group in Algorithmic Game Theory?

How can I visualize/sense the need of recursion (while brainstorming for solution(s) to problems)?