x complete
? in progress
- failed
[ ] Easy Sudoku Solver
[ ] Solve Pi to N Digits
[ ] Solve E to N Digits
[ ] Fibonacci Sequence (Iterative)
[ ] Fibonacci Sequence (Algebraic)
[ ] Prime Factorization (Integer types)
[ ] Prime Factorization (BigInt type)
[x] Change Return (Given a cost and amount used to pay, returns the change and number of dollar bills, quarters, dimes, nickels, and pennies needed for the exchange, using the fewest number of coins possible.)