Dsa
Backtracking
Medium
Coloring Boards
Given a board of N cells arranged in a single row, implement a function that colors the cells using K different colors such that no two adjacent cells have the same color. Your task is to count the number of valid ways to color the board.
Input format:
- The first line contains an integer N (1 <= N <= 20), the number of cells.
- The second line contains an integer K (1 <= K <= 10), the number of colors available.
Output format:
- Print a single integer which is the count of valid colorings of the board.
Example:
Input:
3
2
Output:
6
Key concepts
backtrackingcombinatorialarray
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