Letter Tile Possibilities
Explore how to calculate the number of possible unique sequences from letter tiles in Python. Learn to generate subsets and permutations, enhance your problem-solving approach, and apply these concepts to efficiently solve coding interview questions.
We'll cover the following...
We'll cover the following...
Statement
You are given a string, tiles, consisting of uppercase English letters. You can arrange the tiles into sequences of any length (from 1 to the length of tiles), and each sequence must include at most one tile, tiles[i], from tiles.
Your task is to return the number of possible non-empty unique sequences you can make using the letters represented on tiles[i]. ...