nextperm 0.1.1

A Python library for next permutation and combinatorial utilities inspired by C++ STL and Java Collections.

nextperm

A Python library inspired by C++ STL and Java Collections that provides utilities for next permutation, combinations, sorting helpers, and more.

🚀 Features

• next_permutation, prev_permutation
• rotate_left, rotate_right
• is_sorted, is_sorted_until
• lower_bound, upper_bound
• nth_permutation, count_permutations
• nCr, nPr, factorial
• shuffle, swap, reverse

🧪 Example Usage

from nextperm import next_permutation, nth_permutation

print(next_permutation([1, 2, 3]))  # [1, 3, 2]
print(nth_permutation([1, 2, 3], 4))  # [2, 3, 1]