Easy 2 point
Medium 4 points
Hard 6 points
Ninja 10 points

Question | Type | Level | Solve |
---|---|---|---|

Write a function that removes all duplicate letters from given string? | String | Hard | Solve |

Write a function to sort characters from given string? | String | Hard | Solve |

Write a function to check if brackets are balanced? | String | Hard | Solve |

Write a function to find Greatest Common Factor (GCF) of two numbers? | Number | Hard | Solve |

Write a function to find Lowest Common Multiple (LCM) of two numbers? | Number | Hard | Solve |

Write a function that finds the longest palindrome substring in the given string? | String | Hard | Solve |

Write a function that sorts the given list of numbers in ascending order? | Array | Hard | Solve |

Write a function that sorts the given list of numbers in descending order? | Array | Hard | Solve |

Write a function that returns a list of prime factors of the given number in ascending order? | Array | Hard | Solve |

Write a function that converts the given number to english phrase? | Number | Hard | Solve |