diff options
Diffstat (limited to 'works/solutions/cpp')
| -rw-r--r-- | works/solutions/cpp/power-set-lcci.cpp | 29 | 
1 files changed, 29 insertions, 0 deletions
diff --git a/works/solutions/cpp/power-set-lcci.cpp b/works/solutions/cpp/power-set-lcci.cpp new file mode 100644 index 0000000..f502e7c --- /dev/null +++ b/works/solutions/cpp/power-set-lcci.cpp @@ -0,0 +1,29 @@ +#include <vector> + +using std::vector; + +class Solution { +public: +  void dfs(const vector<int> &nums, int index, int size, vector<int> ¤t, +           vector<vector<int>> &result) { +    if (index ==   size) { +      result.push_back(current); +      return; +    } + +    dfs(nums, index + 1, size, current, result); + +    current.push_back(nums[index]); +    dfs(nums, index + 1, size, current, result); +    current.pop_back(); +  } + +  vector<vector<int>> subsets(vector<int> &nums) { +    vector<int> current; +    vector<vector<int>> result; + +    dfs(nums, 0 , nums.size(), current, result); + +    return result; +  } +};  | 
