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author | Jack Sangdahl <[email protected]> | 2025-03-10 00:36:13 -0600 |
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committer | Jack Sangdahl <[email protected]> | 2025-03-10 00:36:13 -0600 |
commit | 7c60dee83b436e8e8a667bf9f191beced8de4fc3 (patch) | |
tree | eb7a24ee2067f92245c57bb118e85a1baf15df50 /other/permutations.cpp | |
parent | 5d7cdc215e4ba1ec4cbb24c084cccb5e5e641468 (diff) | |
download | leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.tar.gz leetcode-7c60dee83b436e8e8a667bf9f191beced8de4fc3.zip |
chore: move cpp and rust code to directory
Diffstat (limited to 'other/permutations.cpp')
-rw-r--r-- | other/permutations.cpp | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/other/permutations.cpp b/other/permutations.cpp new file mode 100644 index 0000000..2e86fc0 --- /dev/null +++ b/other/permutations.cpp @@ -0,0 +1,26 @@ +#include "leetcode.h" + +class Solution { +public: + vector<vector<int>> permute(vector<int> &nums) { + vector<vector<int>> ans; + int idx = 0; + helper(nums, ans, idx); + return ans; + } + +private: + void helper(vector<int> &nums, vector<vector<int>> &ans, int idx) { + if (idx >= nums.size()) { + ans.push_back(nums); + return; + } + for (int i = idx; i < nums.size(); i++) { + swap(nums[idx], nums[i]); + helper(nums, ans, idx + 1); + swap(nums[idx], nums[i]); + } + } +}; + +int main() {} |