1Fizz BuzzEasyMathStringSimulation
Solve → 2Fibonacci NumberEasyMathDynamic ProgrammingRecursion
Solve → 3Rectangle AreaMediumMathGeometry
Solve → 4Power of TwoEasyMathBit ManipulationRecursion
Solve → 5Climbing StairsEasyMathDynamic ProgrammingMemoization
Solve → 6Integer to English WordsHardMathStringRecursion
Solve → 7Sqrt(x)EasyMathBinary Search
Solve → 8Pow(x, n)MediumMathRecursion
Solve → 9Unique PathsMediumMathDynamic ProgrammingCombinatorics
Solve → 10Fizz BuzzEasyMathStringSimulation
Solve → 11Fibonacci NumberEasyMathDynamic ProgrammingRecursion
Solve → 12Rectangle AreaMediumMathGeometry
Solve → 13Power of TwoEasyMathBit ManipulationRecursion
Solve → 14Climbing StairsEasyMathDynamic ProgrammingMemoization
Solve → 15Integer to English WordsHardMathStringRecursion
Solve → 16Pow(x, n)MediumMathRecursion
Solve → 17Sqrt(x)EasyMathBinary Search
Solve → 18Unique PathsMediumMathDynamic ProgrammingCombinatorics
Solve →