I want to fully understand backtracking and be able to solve hard questions like n queens
How do I use this section?
Backtracking is a powerful algorithmic technique used to explore all potential solutions to a problem and identify those that satisfy a specific constraint. It is commonly used in various applications such as combinatorial problems, path finding, and Sudoku solving. Backtracking works by incrementally building a s...
Introduction to Backtracking Backtracking is a general problem-solving algorithm that involves iteratively searching for a solution to a problem by exploring all possible candidates. It is especially useful when the problem has multiple valid solutions, and the goal is to find one or more of these solutions. The idea behind backtracking is t...
Introduction to Sudoku Sudoku is a popular puzzle game that originated in Japan. It consists of a 9x9 grid divided into nine 3x3 sub-grids. The goal of Sudoku is to fill in the empty cells of the grid with numbers from 1 to 9, ensuring that each row, each column, and each sub-grid contains all the digits from 1 to 9 without any repetition. Su...
Introduction to Word Search In this section, we will provide an overview of the word search problem and discuss its applications. The word search problem involves finding a specific word within a grid of letters. The grid can be of any size and the word can be horizontal, vertical, or diagonal. This problem is commonly found in puzzle games a...