Tutorials, Exercises published recently
29 November, 2022
JavaScript: Longest common subsequence
JavaScript: Longest Valid Parentheses
JavaScript: Longest Palindromic Subsequence
JavaScript: Reverse a Binary string
28 November, 2022
JavaScript: All prime factors of a given number
JavaScript: Check sum of consecutive positive integers
JavaScript: Hexadecimal number to binary equivalent
27 November, 2022
C Programming: Remove a file from the disk
C Programming: File read and write using variable
C Programming: File modification time
26 November, 2022
SQL AdventureWorks: Find all rows outside a specified range of rate
SQL AdventureWorks: Retrieve rows whose datetime values are between '20111212' and '20120105'
SQL AdventureWorks: Returns TRUE even if NULL is specified in the subquery
SQL AdventureWorks: Get employees with Johnson last names
25 November, 2022
C++ Math: Number of arithmetic slices in an array of integers
C++ Math: Number as the multiplication of its prime factors
C++ Math: Generate sequence of primes by means of trial division
24 November, 2022
SQL AdventureWorks: Tax difference between highest and lowest-taxed state or province
SQL AdventureWorks: Calculate sales targets per month for salespeople
SQL AdventureWorks: Find unit price, ID number, and modulus of division
SQL AdventureWorks: Find marketing Assistants with more than 41 vacation hours
23 November, 2022
SQL AdventureWorks: A distinct businessentityid must be returned by both queries
SQL AdventureWorks: Any distinct businessentityid from the first query not found in the second query
SQL AdventureWorks: Combine ProductModelID and Name columns from two tables
SQL AdventureWorks: Add vacation and sick time to find total hours away from work
22 November, 2022
C++ Linked List: Insert a new node at the end of a Doubly Linked List
C++ Linked List: Middle element of a Doubly Linked List
C++ Linked List: Insert new node at the middle of a Doubly Linked List
21 November, 2022
C++ Linked List: Create and display a doubly linked list
C++ Linked List: Reverse doubly linked list
C++ Linked List: Count number of nodes in a doubly linked list
C++ Linked List: Insert a node at the beginning of a Doubly Linked List
20 November, 2022
C++ Linked List: Delete a middle node from a Singly Linked List
C++ Linked List: Delete the last node of a Singly Linked List
C++ Linked List: Delete the nth node of a Singly Linked List from end
C++ Linked List: Kth node from the Middle towards Head of a Linked List
19 November, 2022
C++ Linked List: Find middle element in a single linked list
C++ Linked List: Insert new node at the middle of a Singly Linked List
C++ Linked List: Get Nth node in a Singly Linked List
C++ Linked List: Insert a node at any position of a Singly Linked List
C++ Linked List: Delete first node of a Singly Linked List
18 November, 2022
C++ String: Find Unique Character String
C++ String: Select lowercase characters from the other string
C++ String: Second occurrence of a string within another string
C++ String: Alternate the case of each letter in a string
17 November, 2022
C++ Linked List: Create and display linked list
C++ Linked List: Reverse linked list
C++ Linked List: Count number of nodes in a linked list
C++ Linked List: Insert a new node at the beginning of a Linked List
C++ Linked List: Insert a new node at the end of a Linked List
16 November, 2022
SQL AdventureWorks: Check for similarity of the values
SQL AdventureWorks: Return any distinct values that are returned by both the queries
SQL AdventureWorks: Return any distinct values from first query, not found on the 2nd query
15 November, 2022
SQL AdventureWorks: Display the list price as a comment based on the price range
SQL AdventureWorks: Change the display of product line categories with comment
SQL AdventureWorks: Evaluate whether the values in two columns are the same
SQL AdventureWorks: Select data from first column that has a nonnull value
14 November, 2022
SQL AdventureWorks: Calculate row numbers for rows between 50 to 60 inclusive
SQL AdventureWorks: Return first and last name, and other columns using partition by clause
SQL AdventureWorks: Order the result set by the column TerritoryName using CASE
SQL AdventureWorks: Return the highest hourly wage for each job title
SQL AdventureWorks: Sort the BusinessEntityID in descending or ascending order
13 November, 2022
SQL AdventureWorks: Return the top ten employees ranked by their salary
SQL AdventureWorks: Divide rows into defined groups based on SalesYTD
SQL AdventureWorks: Rank the products in inventory according to their quantities
SQL AdventureWorks: Find the salary of top ten employees
SQL AdventureWorks: Calculate a row number based on SalesYTD ranking
12 November, 2022
C++: Check first string contains letters from the second
C++: Remove a word from a given string
C++: Reverse the words in a string that have odd lengths
C++: Check two consecutive, identical letters in a word
C++: Count occurrences of a certain character in a string
C++: Remove a specific character from a given string
11 November, 2022
JavaScript: Check if kth bit is set or not for a number
JavaScript: position of the said binary format
JavaScript: Parity of a given number
JavaScript: Find the non-repeated element from an array
JavaScript: Maximum, minimum of two integers
10 November, 2022
JavaScript: Check a number is a power of 4 or not
JavaScript: Swap two bits at given position in an integer
JavaScript: Binary logarithm using bitwise operators
JavaScript: Turn off the kth bit of a given number
JavaScript: Turn on the kth bit of a given number
09 November, 2022
JavaScript: Check two integers have opposite signs or not
JavaScript: Swap two variables using bit manipulation
JavaScript: Number of 0 bits in a binary representation
JavaScript: Next power of two of a given number
JavaScript: Odd or even number using bit manipulation
08 November, 2022
SQL AdventureWorks: Add two days to each value in the OrderDate column
SQL AdventureWorks: Get a newdate by adding two days with current date
SQL AdventureWorks: Get the differences between the maximum and minimum orderdate
SQL AdventureWorks: Rank the products by the specified inventory locations
07 November, 2022
JavaScript: Check if a date is between two other dates
JavaScript: Check if a given date is weekday, weekend
JavaScript: Create and print a calendar
JavaScript: Identify a day based on a date
06 November, 2022
JavaScript: Index position of a word within a string
JavaScript: Linear search algorithm
JavaScript: Ternary search algorithm
JavaScript: Jump search algorithm
JavaScript: Interpolation algorithm
05 November, 2022
SQL AdventureWorks: Find different sales quotas for a employee over next years
SQL AdventureWorks: Compare year-to-date sales between employees for specific terrotery
SQL AdventureWorks: Find the differences in sales quota for the next quarters
SQL AdventureWorks: Obtain the salary percentile of each employee for a department
04 November, 2022
SQL AdventureWorks: Compare year-to-date sales between employees
SQL AdventureWorks: Fetch hiredate of last employee in a department for a salary
SQL AdventureWorks: Find the statistical variance of the sales quota for each quarter
03 November, 2022
SQL AdventureWorks: Return the name of the product that is the least expensive
SQL AdventureWorks: Return the employee with the fewest number of vacation hours
02 November, 2022
SQL AdventureWorks: Find the departments that each have more than 15 employees
SQL AdventureWorks: Find the total products ordered in each specified orders
SQL AdventureWorks: Compute the variance of sales quota for each quarter in a year
SQL AdventureWorks: Populate the variance of all unique values and all values
SQL AdventureWorks: Find total ListPrice and StandardCost of products of distinct color
SQL AdventureWorks: Find the TotalSalesYTD of each SalesQuota
SQL AdventureWorks: Find the sum of the ListPrice and StandardCost for each color
JavaScript: Check a string for palindromes using recursion
JavaScript: Convert Binary to Decimal using recursion
JavaScript: Binary Search Algorithm using recursion
JavaScript: Letter combinations of a number
01 November, 2022
JavaScript: Rearrange a string to become a palindrome
JavaScript: Find the most frequent character in a string