Easy 2 point
Medium 4 points
Hard 6 points
Ninja 10 points
| Question | Type | Level | Solve |
|---|---|---|---|
| Write a function that sorts list of strings according to string length and then lexicographically? | Array | Hard | Solve |
| Write a function to add two single digit numbers without using any operators? | Challenge | Hard | Solve |
| Write a function to find time duration between two times in minutes? | String | Hard | Solve |
| Write a function to compute the length of the longest substring of a given string that contains at most two distinct characters? | String | Hard | Solve |
| Write a function that takes a string and removes all characters except alphabets (A-Z, a-z) and digits (0-9)? | String | Hard | Solve |
| Write a function to compute the number of prime factors of a number? | Number | Hard | Solve |
| Write a function to find the next number with the same digits? | Number | Hard | Solve |
| Write a function that takes two arrays of strings, sorts each array individually in ascending order, and then merges them into a single sorted array? | Array | Hard | Solve |
| Write a function that takes two arrays of strings and returns the longest string found in either array? | Array | Hard | Solve |
| Write a function that takes an array of integers and returns the length of the longest subarray with sum equal to zero? | Array | Hard | Solve |