leetcode

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Jan 22, 2025 · Fundamentals

LeetCode 31 – Next Permutation: Problem Explanation and Multi‑Language Solutions

LeetCode problem 31, Next Permutation, requires rearranging an integer array in‑place to the lexicographically next greater arrangement by locating the first decreasing pair from the right, swapping it with the smallest larger element, and reversing the suffix, with Java, C++, and Python reference implementations provided.