Sheldon L. Cooper questions

Sheldon L. Cooper answers

• A problem from a programming competition... Digit Sums
• help in find complexity of this algorithm
• Minimum window width in string x that contains all characters of string y
• Building an expression with maximum value
• Brute force Algorithm for creation of Sudoku Board
• Matching non-whitespace in Java
• Why are the parameters to `atan2` “backwards”?
• Dijkstra's algorithm with negative edges on a directed graph
• How can I safely average two unsigned ints in C++?
• Finding Squares in an array