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

Question Type Level Solve
Write a function to rotate the matrix by 90 degree clockwise? Array Medium Solve
Write a function to rotate the matrix by 90 degree counter clockwise? Array Medium Solve
Write a function that sets the row and column to 1? Array Hard Solve
Write a function to remove all duplicate numbers in the given list? Array Medium Solve
Write a function that generates all subsets of given set? Array Hard Solve
Write a function to generate all balanced parenthesis of given length? Array Hard Solve
Write a function to find out how many days does it take a virus to exceed the given number? Number Medium Solve
Write a function to return first n narcissistic numbers? Math Medium Solve
Write a function to check whether the given number is a happy number? Math Medium Solve
Write a function that will extract all href links from given html code? String Hard Solve