• Programming
  • Games
  • Easy Difficulty

    First ReverseNot Completed

    For this challenge you will be reversing a string.

    First FactorialNot Completed

    For this challenge you will be determining the factorial for a given number.

    Longest WordNot Completed

    For this challenge you will be determining the largest word in a string.

    Letter ChangesNot Completed

    For this challenge you will be manipulating characters in a string based off their positions in the alphabet.

    Simple AddingNot Completed

    For this challenge you will be adding up all the numbers from 1 to a certain argument.

    Letter CapitalizeNot Completed

    For this challenge you will be capitalizing certain characters in a string.

    Simple SymbolsNot Completed

    For this challenge you will be determining whether or not certain characters are in correct positions.

    Check NumsNot Completed

    For this challenge you will be comparing two numbers and determining which one is greater.

    Time ConvertNot Completed

    For this challenge you will be determining the difference in hours and minutes between two given times.

    Alphabet SoupNot Completed

    For this challenge you will be sorting characters in a string.

    AB CheckNot Completed

    For this challenge you will determine if two characters are separated a specific way in the string.

    Vowel CountNot Completed

    For this challenge you will be counting all the vowels in a string.

    Word CountNot Completed

    For this challenge you will be determining how many words a sentence contains.

    Ex OhNot Completed

    For this challenge you will traverse a string and determine if there is an equal amount of certain characters.

    PalindromeNot Completed

    For this challenge you will determine if a string is written the same way forward and backwards.

    Arith GeoNot Completed

    For this challenge you will determine if numbers within an array follow an arithmetic or geometric sequence.

    Array Addition INot Completed

    For this challenge you will determine if numbers in an array can add up to a certain number in the array.

    Letter Count INot Completed

    For this challenge you will determine which word has the greatest number of repeated letters.

    Second GreatLowNot Completed

    For this challenge you will determine the second lowest and greatest numbers in an array.

    Division StringifiedNot Completed

    For this challenge you will divide two numbers and return them in a certain format.

    Counting Minutes INot Completed

    For this challenge you will return the total number of minutes between two times.

    Mean ModeNot Completed

    For this challenge you will determine if the mode equals the mean in an array.

    Dash InsertNot Completed

    For this challenge you will be manipulating a string using dashes (-).

    Swap CaseNot Completed

    For this challenge you will be swapping the case of each character in the string.

    Number AdditionNot Completed

    For this challenge you will traverse a string searching for all the numbers and then you will add them up.

    Third GreatestNot Completed

    For this challenge you will determine the third largest string within an array.

    Medium Difficulty

    Prime TimeNot Completed

    For this challenge you will be determining if an argument is a prime number.

    Run Length Not Completed

    For this challenge you will determine the Run Length Encoding of a string.

    Prime MoverNot Completed

    For this challenge you will be returning a certain prime number.

    Palindrome TwoNot Completed

    For this challenge you will be determining if a string is a palindrome.

    DivisionNot Completed

    For this challenge you will determine the Greatest Common Factor between two numbers.

    String ScrambleNot Completed

    For this challenge you will determine if string 1 can be rearranged into string 2.

    Arith Geo IINot Completed

    For this challenge you will determine if numbers within an array follow an arithmetic or geometric sequence.

    Array AdditionNot Completed

    For this challenge you will determine if numbers in an array can add up to a certain number in the array.

    Binary ConverterNot Completed

    For this challenge you will be converting a number from binary to decimal.

    Letter CountNot Completed

    For this challenge you will traverse a string a determine which word has the greatest number of repeated letters.

    Caesar CipherNot Completed

    For this challenge you will transform a string using the Caesar Cipher.

    Simple ModeNot Completed

    For this challenge you will determine the mode, the number that appears most frequently, in an array.

    ConsecutiveNot Completed

    For this challenge you will determine how to order an array from the lowest number to the highest consecutively.

    Formatted DivisionNot Completed

    For this challenge you will divide two numbers and print them in a certain format.

    Counting MinutesNot Completed

    For this challenge you will return the total number of minutes between two times.

    Permutation StepNot Completed

    For this challenge you will determine the next greatest number using the same numbers of a given argument.

    Prime CheckerNot Completed

    For this challenge you will determine if you can arrange a number to be a prime number.

    Dash Insert IINot Completed

    For this challenge you will be manipulating a string using dashes (-).

    Swap IINot Completed

    For this challenge you will be manipulating numbers in a string based on the characters.

    Number SearchNot Completed

    For this challenge you will traverse a string searching for all the numbers and then you will add them up.

    Triple DoubleNot Completed

    For this challenge you will determine if there is a number that appears consecutively in both arguments.

    Bracket MatcherNot Completed

    For this challenge you will determine if the brackets in a string are correctly matched up.

    String ReductionNot Completed

    For this challenge you will manipulate a string of characters using a simple reduction method.

    ThreeFive MultiplesNot Completed

    For this challenge you will be determining the multiples of a specific number.

    Coin DeterminerNot Completed

    For this challenge you will be determining the smallest combination of coins for a given output

    Fibonacci CheckerNot Completed

    For this challenge you will be determining whether a number is part of the Fibonacci sequence.

    Multiple BracketsNot Completed

    For this challenge you will determine if all the brackets in a string are correctly matched up.

    Most Free TimeNot Completed

    For this challenge you will determine what period of the day gives the most free time.

    Overlapping RectanglesNot Completed

    For this challenge you will be determining the areas of rectangles.

    Hard Difficulty

    Transitivity RelationsNot Completed

    For this challenge you will determine whether or not a matrix is transitive.

    Shortest PathNot Completed

    For this challenge you will have to determine the shortest path from one node to an end node.

    CalculatorNot Completed

    For this challenge you will be evaluating a mathematical expression within a string.

    Pattern ChaserNot Completed

    For this challenge you will be given a string and you will have to determine whether some sort of pattern exists.

    Weighted PathNot Completed

    For this challenge you will have to determine the shortest weighted path from one node to an end node.

    Intersecting LinesNot Completed

    For this challenge you will be determining where two lines intersect in terms of Cartesian coordinates.

    Gas StationNot Completed

    For this challenge you will be determining whether a car can get around a route with a limited amount of gas.

    Switch SortNot Completed

    For this challenge you will determine how quickly you can sort an array based on a specific sorting technique.

    Noughts DeterminerNot Completed

    For this challenge you will be determining the winning position of a Tic-tac-toe board.

    Blackjack HighestNot Completed

    For this challenge you will be determining the highest cards within a hand in Blackjack.

    Alphabet Run EncryptionNot Completed

    For this challenge you will be decoding a message.

    RREF MatrixNot Completed

    This challenge will require knowledge of the Gaussian elimination process to produce a RREF matrix.

    Symmetric MatrixNot Completed

    For this challenge you will determine whether a matrix is symmetric or not.

    Matrix DeterminantNot Completed

    For this challenge you will calculate the determinant of a square matrix.

    Queen CheckNot Completed

    This challenge will require knowledge of chess pieces and their movements.

    Polynomial ExpansionNot Completed

    This challenge will require knowledge of polynomial expansion.