leetcode

Solution to some Leetcode problems written in C++
git clone git://git.dimitrijedobrota.com/leetcode.git
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0199.cpp (549B)

      1 class Solution {
      2   public:
      3     vector<int> rightSideView(TreeNode *root) {
      4         if (!root) return {};
      5 
      6         vector<int> res;
      7         queue<TreeNode *> q;
      8         q.push(root);
      9         for (int lvl = 0; !q.empty(); lvl++) {
     10             res.push_back(q.front()->val);
     11             for (int k = q.size(); k > 0; k--) {
     12                 TreeNode *root = q.front();
     13                 q.pop();
     14                 if (root->right) q.push(root->right);
     15                 if (root->left) q.push(root->left);
     16             }
     17         }
     18         return res;
     19     }
     20 };