How to Solve Sliding Puzzle Problem
Master the Sliding Puzzle LeetCode problem with undetectable real-time assistance. Get instant solutions and explanations during your coding interviews.
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Sliding Puzzle
On an 2 x 3 board, there are five tiles labeled from 1 to 5, and an empty square represented by 0. A move consists of choosing 0 and a 4-directionally adjacent number and swapping it. The state of the...
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Understanding the Sliding Puzzle Problem
Let's break down this LeetCode problem and understand what makes it challenging in interview settings.
Problem Statement
On an 2 x 3 board, there are five tiles labeled from 1 to 5, and an empty square represented by 0. A move consists of choosing 0 and a 4-directionally adjacent number and swapping it. The state of the board is solved if and only if the board is [[1,2,3],[4,5,0]]. Given the puzzle board board, return the least number of moves required so that the state of the board is solved. If it is impossible for the state of the board to be solved, return -1.
Sliding Puzzle
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How Interview Coder Helps
Get real-time assistance for Sliding Puzzle problems during coding interviews. Interview Coder provides instant solutions and explanations.
Examples
board = [[1,2,3],[4,0,5]]1Swap the 0 and the 5 in one move.
board = [[1,2,3],[5,4,0]]-1No number of moves will make the board solved.
board = [[4,1,2],[5,0,3]]55 is the smallest number of moves that solves the board. An example path: After move 0: [[4,1,2],[5,0,3]] After move 1: [[4,1,2],[0,5,3]] After move 2: [[0,1,2],[4,5,3]] After move 3: [[1,0,2],[4,5,3]] After move 4: [[1,2,0],[4,5,3]] After move 5: [[1,2,3],[4,5,0]]
Constraints
board.length == 2board[i].length == 30 <= board[i][j] <= 5Each value board[i][j] is unique.How Interview Coder Helps with Leetcode Problems
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Frequently Asked Questions
Common questions about solving Sliding Puzzle and using Interview Coder during coding interviews.
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