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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.
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