kraskevich questions

kraskevich answers

• Will making a variable volatile work if I take copy it to another variable and try to change that?
• How to find the most frequent number and its frequency in an array in range L,R most efficiently?
• How can I optimize my java implementation of Held-Karp algorithm to shorten the running time?
• Find the number of subsequences of a n-digit number, that are divisible by 8
• Efficient algorithm to search a buffer for any string from a list
• Removing Invalid Parentheses - Leetcode Time Complexity
• Searching the 7th largest element in a max-heap?
• Faster GCD(n, m) in Java?
• Input for Jarvis algorithm so that is faster than Graham's (convex hull)
• Discrete optimization algorithm