Competitive ProgrammingEasy

Tiling Problem

Detailed guide and Python implementation for the 'Tiling Problem' problem.

Problem Statement

Easy

Write a function tiling_ways(n) that returns the number of ways to tile a 2xn board using 2x1 dominoes. The dominoes can be placed vertically or horizontally.

Constraints
  • 1 <= n <= 50

Examples

Example 1
Input
tiling_ways(3)
Output
3
Explanation

For a 2x3 board, there are 3 ways: 3 vertical tiles, or 1 vertical and 2 horizontal tiles (in two configurations).

Example 2
Input
tiling_ways(4)
Output
5
Explanation

For a 2x4 board, there are 5 ways to tile it.

Need a Hint?
Consider using Dynamic Programming-specific data structures like sets or heaps.
Edge Cases to Watch
  • Empty input structures
  • Single element inputs
  • Large numerical bounds

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