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next-permutation

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Java Tech Enthusiast
Java Tech Enthusiast
Feb 4, 2025 · Fundamentals

LeetCode 31 – Next Permutation: Problem, Analysis, and Code

The Next Permutation problem asks to rearrange an integer array into the immediate lexicographically larger ordering—or the smallest order if none exists—by scanning from the right to find the first decreasing pair, swapping with the next larger element, and reversing the suffix, using O(1) extra space, with implementations provided in Java, C++, and Python.

AlgorithmC++Java
0 likes · 7 min read
LeetCode 31 – Next Permutation: Problem, Analysis, and Code
Java Tech Enthusiast
Java Tech Enthusiast
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.

AlgorithmIn-Placearray
0 likes · 6 min read
LeetCode 31 – Next Permutation: Problem Explanation and Multi‑Language Solutions