More Problems

• Find all paths from the top-left corner to the bottom-right corner of a given matrix while only moving down or right.
• Generate all possible letter combinations from a phone number, where each digit corresponds to a set of letters. Return the combinations.
• Solve the Sudoku problem for a 4x4 grid. Ensure the solution meets all standard Sudoku rules regarding numbers and their placement.
• Find all combinations of a given array where the elements sum to a specific target value. Include all unique combinations in the output.
• Print all unique subsets of a set that contains duplicate elements. Ensure no duplicate subsets are printed in the final result.
• Solve the Knights Tour problem for a 5x5 chessboard. Determine a valid sequence of moves for the knight covering all squares.
• Find all unique palindromic partitions of a given string. Each substring must be a palindrome, and no duplicates should appear.
• Generate all combinations of a given string, ensuring that combinations of various lengths are included and printed in the output.