algo-geeks questions

• count the number of zero group bits in a number
• Quadtree explanation and C implementation [closed]
• BST from two unsorted array
• array size and const [duplicate]
• sorting efficiently
• storing negative numbers
• Accessing elements of a matrix row-wise versus column-wise
• How does bubble sort compare to selection sort?
• In-place merge of two arrays
• Algorithm to rotate an array in linear time

algo-geeks answers