s0039

include/s0039_combination_sum.hpp

@@ -2,7 +2,6 @@
 #define S0039_COMBINATION_SUM_HPP
 
 #include <algorithm>
-#include <iterator>
 #include <vector>
 
 using namespace std;
@@ -10,8 +9,6 @@ using namespace std;
 class S0039 {
  public:
   vector<vector<int>> combinationSum(vector<int>& candidates, int target);
-  void dfs(vector<int>& candidates, int target, vector<vector<int>>& ans,
-           vector<int>& combine, int idx);
 };
 
 #endif