Which data structure would you use to implement a backtracking algorithm?
Practice Questions
Q1
Which data structure would you use to implement a backtracking algorithm?
Queue
Stack
Linked List
Array
Questions & Step-by-Step Solutions
Which data structure would you use to implement a backtracking algorithm?
Step 1: Understand what backtracking is. Backtracking is a method for solving problems by trying out different solutions and going back if a solution doesn't work.
Step 2: Recognize that backtracking often involves exploring multiple paths or options.
Step 3: Identify that a stack is a data structure that allows you to store items in a last-in, first-out (LIFO) manner.
Step 4: Realize that when you explore a new option in backtracking, you can push the current state onto the stack.
Step 5: If you reach a dead end or need to try a different option, you can pop the last state off the stack to go back to the previous state.
Step 6: Conclude that using a stack helps you keep track of where you are in the problem and allows you to backtrack easily.
