Greg Kuperberg questions

Greg Kuperberg answers

• Number of combinations
• Why must the value of a qubit in quantum computing remain secret?
• How to compute exact complexity of an algorithm?
• How to create PI sequentially in Ruby
• Calculating total number of spanning trees containing a particular set of edges
• Expected running time vs. worst-case running time
• Dynamic Programming: Sum-of-products
• Minimum set cover [PHP]
• What is linear programming? [closed]
• Does a range of integers contain at least one perfect square?