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LeetCode: 31. Next Permutation (Golang & Java)

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Problem: Next Permutation
Difficulty Level: Medium
Algorithm: 1. find 1st decreasing number from end 2. find last increasing number from right compare to step 1 nums[i] 3. swap i, j 4. reverse i+1
programming language: golang & java
Difficulty Level: Medium
Algorithm: 1. find 1st decreasing number from end 2. find last increasing number from right compare to step 1 nums[i] 3. swap i, j 4. reverse i+1
programming language: golang & java