Love Paper questions

• How to calculate the k-th smallest number of a linear congruential generator
• Is there an example to make Union & find algorithm without union by rank run in Omega(q log n)?
• How to determine string S can be made from string T by deleting some characters, but at most K successive characters
• How to calculate the number of coprime subsets of the set {1,2,3,..,n}

Love Paper answers