Programming Languages

Categories: Code Problem / Data Structures and Algorithms / Recursion (32) Code Problem / Data Structures and Algorithms / Binary Search (30) Code Problem / Data Structures and Algorithms / Linked Lists (26) Code Problem / Data Structures and Algorithms / Backtracking (26) Code Problem / Data Structures and Algorithms / Stacks and Queues (25) Code Problem / Data Structures and Algorithms / Hashing (24) Databases / SQL / Backup and Recovery (19) Code Problem / Data Structures and Algorithms / Arrays and Strings (19) Databases / SQL / Database Normalization (18) Code Problem / Data Structures and Algorithms / Time Complexity (17) Databases / SQL / Locking (16) Databases / SQL / Replication (15) Databases / SQL / SQL Queries (13) Code Problem / Data Structures and Algorithms / Graphs (13) Databases / SQL / Database Security (13)  More...

Recent solutions:

Check these solutions from our community:
Programming Languages / JavaScript DifficultyMedium JavaScript
Given an array of integers, this function will return the sum of the integers that are greater than or equal to 10.
About this solution: This solution is correct and solves the problem. The approach is simple and easy to understand.
Nov 26
Programming Languages / JavaScript DifficultyMedium JavaScript
Given an object with nested objects, write a function to flatten the object (i.e. convert nested objects into a single level object).
About this solution: The candidate's solution correctly flattens the object. The candidate uses a recursive approach to flatten the object, which is a good approach.
Nov 25
Programming Languages / JavaScript DifficultyMedium JavaScript
This technical problem involves writing a function that takes an array of integers as input and returns the sum of all the elements in the array.
About this solution: This solution is correct and demonstrates a good understanding of how to solve the problem. The approach is straightforward and the code is clean and easy to read.
Nov 24
Programming Languages / JavaScript DifficultyMedium JavaScript
This problem asks you to find the largest sum of consecutive integers in an array. So, for the example input above, the largest sum would be 1 + 2 + 3 + 4 + 5 + 6 + 7 + 8 + 9 = 45.
About this solution: This solution is correct and demonstrates a level of completeness. The approach is straightforward and easy to understand.
Nov 24
Programming Languages / JavaScript DifficultyMedium JavaScript
This function takes in a string as input and returns the same string with the first letter of each word capitalized.
About this solution: This solution is correct and demonstrates a good understanding of time and space complexity.
Nov 23
Programming Languages / JavaScript DifficultyMedium JavaScript
This technical problem involves writing a function that takes an array of integers as input and returns the sum of the even numbers in the array.
About this solution: This solution is correct and demonstrates a level of completeness. The approach is straightforward and easy to follow.
Nov 23
Programming Languages / JavaScript DifficultyMedium JavaScript
This technical problem deals with finding the largest integer in an array. An example input is given as [1, 2, 3, 4, 5], and the expected output is 5.
About this solution: This is a great solution! The candidate has thought through the problem and has provided a complete solution that is also optimal.
Nov 23
Programming Languages / JavaScript DifficultyMedium JavaScript
This problem asks the user to write a function that returns the sum of all integers in an array. An example input and output is provided.
About this solution: The candidate's solution is complete and solves the problem. The candidate's approach is clear and concise.
Nov 22