1Pow(x, n)MediumMathRecursion
Solve → 2Power of FourEasyMathBit ManipulationRecursion
Solve → 3Fibonacci NumberEasyMathDynamic ProgrammingRecursion
Solve → 4Pow(x, n)MediumMathRecursion
Solve → 5Power of FourEasyMathBit ManipulationRecursion
Solve → 6Fibonacci NumberEasyMathDynamic ProgrammingRecursion
Solve →