New posts in Decision Problem

Determine if an integer is a palindrome in a given radix (base)

Create a sudoku solution CHECKER

Check whether an integer is a power of 2 without using +,- operations

Verify Brainfuck program

Check if the 15 puzzle is solvable

Test a number for narcissism

Shortest code to determine if a string is a palindrome

Email validation

Transposed, primes, oh my!

Is string X a subsequence of string Y?